BGP Routing: 2011-12-04

The Border Gateway Protocol (BGP) is the protocol backing the core routing decisions on the Internet. It maintains a table of IP networks or 'prefixes' which designate network reachability among autonomous systems (AS). It is described as a path vector protocol. BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rulesets. For this reason, it is more appropriately termed a reachability protocol rather than routing protocol.

Saturday, December 10, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 11 Dec, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 388096
Prefixes after maximum aggregation: 168895
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 188800
Total ASes present in the Internet Routing Table: 39519
Prefixes per ASN: 9.82
Origin-only ASes present in the Internet Routing Table: 32515
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5283
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 28
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6033
Unregistered ASNs in the Routing Table: 1001
Number of 32-bit ASNs allocated by the RIRs: 2067
Number of 32-bit ASNs visible in the Routing Table: 1721
Prefixes from 32-bit ASNs in the Routing Table: 4073
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 81
Number of addresses announced to Internet: 2499559206
Equivalent to 148 /8s, 252 /16s and 63 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162360

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 93607
Total APNIC prefixes after maximum aggregation: 30134
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90123
Unique aggregates announced from the APNIC address blocks: 38496
APNIC Region origin ASes present in the Internet Routing Table: 4573
APNIC Prefixes per ASN: 19.71
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 117
Number of APNIC addresses announced to Internet: 631180032
Equivalent to 37 /8s, 159 /16s and 11 /24s
Percentage of available APNIC address space announced: 80.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148953
Total ARIN prefixes after maximum aggregation: 76949
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 120881
Unique aggregates announced from the ARIN address blocks: 48641
ARIN Region origin ASes present in the Internet Routing Table: 14802
ARIN Prefixes per ASN: 8.17
ARIN Region origin ASes announcing only one prefix: 5656
ARIN Region transit ASes present in the Internet Routing Table: 1547
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803458568
Equivalent to 47 /8s, 227 /16s and 206 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 95467
Total RIPE prefixes after maximum aggregation: 51660
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 86996
Unique aggregates announced from the RIPE address blocks: 54921
RIPE Region origin ASes present in the Internet Routing Table: 16192
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 8005
RIPE Region transit ASes present in the Internet Routing Table: 2534
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1205
Number of RIPE addresses announced to Internet: 494162124
Equivalent to 29 /8s, 116 /16s and 80 /24s
Percentage of available RIPE address space announced: 79.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37326
Total LACNIC prefixes after maximum aggregation: 8006
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 36685
Unique aggregates announced from the LACNIC address blocks: 18868
LACNIC Region origin ASes present in the Internet Routing Table: 1551
LACNIC Prefixes per ASN: 23.65
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 383
Number of LACNIC addresses announced to Internet: 94440968
Equivalent to 5 /8s, 161 /16s and 14 /24s
Percentage of available LACNIC address space announced: 62.5

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8425
Total AfriNIC prefixes after maximum aggregation: 2074
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 6454
Unique aggregates announced from the AfriNIC address blocks: 2049
AfriNIC Region origin ASes present in the Internet Routing Table: 501
AfriNIC Prefixes per ASN: 12.88
AfriNIC Region origin ASes announcing only one prefix: 155
AfriNIC Region transit ASes present in the Internet Routing Table: 112
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30380544
Equivalent to 1 /8s, 207 /16s and 146 /24s
Percentage of available AfriNIC address space announced: 45.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1944 11096 660 Korea Telecom (KIX)
17974 1696 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 86 TPG Internet Pty Ltd
4755 1504 384 155 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
9829 1169 988 27 BSNL National Internet Backbo
9583 1099 81 496 Sify Limited
24560 982 381 162 Bharti Airtel Ltd.
18101 963 122 157 Reliance Infocom Ltd Internet
17488 947 166 226 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 218 bellsouth.net, inc.
7029 2846 1041 206 Windstream Communications Inc
18566 2092 382 176 Covad Communications
1785 1852 680 121 AppliedTheory Corporation
4323 1617 1089 386 Time Warner Telecom
20115 1602 1548 628 Charter Communications
22773 1505 2909 104 Cox Communications, Inc.
30036 1446 258 676 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1310 7046 858 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1516 480 15 Corbina telecom
286 1099 807 201 KPNQwest Backbone AS
6830 645 1927 412 UPC Distribution Services
34984 624 132 201 Tellcom Iletisim Hizmetleri
20940 550 176 439 Akamai Technologies European
2118 549 99 14 EUnet/RELCOM Autonomous Syste
9116 541 326 32 Goldenlines main autonomous s
3292 533 2106 407 TDC Tele Danmark
3320 527 8161 393 Deutsche Telekom AG
12479 493 601 12 Uni2 Autonomous System

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 318 155 TVCABLE BOGOTA
28573 1524 1053 96 Types of queries are: POCs, o
8151 1494 2965 342 Uninet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 631 73 92 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 564 434 70 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 90 COLOMBIA TELECOMUNICACIONES S
10481 543 429 25 Prima S.A.

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 963 958 13 TEDATA
24863 783 146 33 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 193 80 8 RAYA Telecom - Egypt
16637 161 664 86 Johnnic e-Ventures

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 218 bellsouth.net, inc.
7029 2846 1041 206 Windstream Communications Inc
18566 2092 382 176 Covad Communications
4766 1944 11096 660 Korea Telecom (KIX)
1785 1852 680 121 AppliedTheory Corporation
10620 1721 318 155 TVCABLE BOGOTA
17974 1696 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 86 TPG Internet Pty Ltd
4323 1617 1089 386 Time Warner Telecom
20115 1602 1548 628 Charter Communications

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2846 2640 Windstream Communications Inc
18566 2092 1916 Covad Communications
1785 1852 1731 AppliedTheory Corporation
17974 1696 1658 PT TELEKOMUNIKASI INDONESIA
10620 1721 1566 TVCABLE BOGOTA
7545 1628 1542 TPG Internet Pty Ltd
8402 1516 1501 Corbina telecom
28573 1524 1428 Types of queries are: POCs, o
22773 1505 1401 Cox Communications, Inc.
7552 1392 1385 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.1.0.0/18 34456 JSC Rial Com AS
37.1.88.0/21 50763 MCKAYCOM LTD
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska
64.21.212.0/22 11610 Internet Nebraska
64.21.216.0/21 11610 Internet Nebraska
66.171.32.0/20 705 UUNET Technologies, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:27 /11:81 /12:236
/13:465 /14:817 /15:1474 /16:12181 /17:6358 /18:10493
/19:20608 /20:28956 /21:28373 /22:38552 /23:36256 /24:201442
/25:69 /26:84 /27:112 /28:295 /29:111 /30:535
/31:52 /32:487

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2476 2846 Windstream Communications Inc
6389 2122 3479 bellsouth.net, inc.
18566 2042 2092 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1492 1516 Corbina telecom
30036 1406 1446 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1057 1852 AppliedTheory Corporation
7011 1051 1167 Citizens Utilities
22773 966 1505 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:447 2:483 4:19 5:1 6:3 8:362
12:1944 13:1 14:560 15:11 16:3 17:7
20:9 23:72 24:1702 27:1109 31:727 32:122
33:2 34:2 36:4 38:772 39:1 40:114
41:2898 42:70 43:1 44:3 46:1131 47:3
49:279 50:461 52:13 55:5 56:2 57:55
58:943 59:485 60:344 61:1191 62:929 63:1984
64:4095 65:2306 66:4389 67:2036 68:1362 69:3227
70:964 71:362 72:1807 73:1 74:2693 75:444
76:331 77:939 78:883 79:443 80:1148 81:854
82:545 83:534 84:482 85:1173 86:416 87:916
88:355 89:1609 90:247 91:4351 92:542 93:1403
94:1333 95:1100 96:397 97:286 98:787 99:38
101:246 103:546 106:8 107:107 108:98 109:1107
110:698 111:824 112:375 113:502 114:625 115:714
116:906 117:729 118:891 119:1265 120:344 121:694
122:1560 123:1024 124:1402 125:1337 128:276 129:192
130:184 131:579 132:158 133:21 134:221 135:55
136:213 137:146 138:279 139:134 140:485 141:254
142:383 143:396 144:503 145:66 146:477 147:233
148:685 149:270 150:165 151:192 152:446 153:171
154:7 155:395 156:208 157:360 158:156 159:503
160:338 161:221 162:363 163:183 164:523 165:408
166:542 167:457 168:818 169:147 170:822 171:93
172:4 173:1806 174:594 175:429 176:341 177:416
178:1134 180:1183 181:38 182:680 183:253 184:400
185:1 186:1481 187:781 188:944 189:1170 190:5308
192:5993 193:5135 194:3843 195:3429 196:1295 197:173
198:3635 199:4211 200:5539 201:1696 202:8577 203:8535
204:4330 205:2403 206:2698 207:2841 208:4006 209:3586
210:2777 211:1477 212:2027 213:1806 214:819 215:91
216:4965 217:1499 218:581 219:337 220:1257 221:529
222:327 223:260

End of report
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[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 11 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary
----------------

BGP routing table entries examined: 378413
Prefixes after maximum aggregation: 165641
Deaggregation factor: 2.28
Unique aggregates announced to Internet: 188549
Total ASes present in the Internet Routing Table: 37642
Prefixes per ASN: 10.05
Origin-only ASes present in the Internet Routing Table: 32417
Origin ASes announcing only one prefix: 15515
Transit ASes present in the Internet Routing Table: 5225
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2600
Unregistered ASNs in the Routing Table: 1038
Number of 32-bit ASNs allocated by the RIRs: 2067
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4067
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 81
Number of addresses announced to Internet: 2516378368
Equivalent to 149 /8s, 252 /16s and 227 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 158140

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 90362
Total APNIC prefixes after maximum aggregation: 29922
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 87793
Unique aggregates announced from the APNIC address blocks: 38493
APNIC Region origin ASes present in the Internet Routing Table: 4540
APNIC Prefixes per ASN: 19.34
APNIC Region origin ASes announcing only one prefix: 1263
APNIC Region transit ASes present in the Internet Routing Table: 699
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 630705664
Equivalent to 37 /8s, 151 /16s and 206 /24s
Percentage of available APNIC address space announced: 80.0

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 144977
Total ARIN prefixes after maximum aggregation: 74271
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117382
Unique aggregates announced from the ARIN address blocks: 48606
ARIN Region origin ASes present in the Internet Routing Table: 14719
ARIN Prefixes per ASN: 7.97
ARIN Region origin ASes announcing only one prefix: 5656
ARIN Region transit ASes present in the Internet Routing Table: 1508
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 803422976
Equivalent to 47 /8s, 227 /16s and 67 /24s
Percentage of available ARIN address space announced: 63.9

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 93769
Total RIPE prefixes after maximum aggregation: 51456
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 86136
Unique aggregates announced from the RIPE address blocks: 54882
RIPE Region origin ASes present in the Internet Routing Table: 16170
RIPE Prefixes per ASN: 5.33
RIPE Region origin ASes announcing only one prefix: 7999
RIPE Region transit ASes present in the Internet Routing Table: 2556
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 493954816
Equivalent to 29 /8s, 113 /16s and 39 /24s
Percentage of available RIPE address space announced: 79.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 36164
Total LACNIC prefixes after maximum aggregation: 7860
LACNIC Deaggregation factor: 4.60
Prefixes being announced from the LACNIC address blocks: 35774
Unique aggregates announced from the LACNIC address blocks: 18868
LACNIC Region origin ASes present in the Internet Routing Table: 1538
LACNIC Prefixes per ASN: 23.26
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 272
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 94405888
Equivalent to 5 /8s, 160 /16s and 133 /24s
Percentage of available LACNIC address space announced: 62.5

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8374
Total AfriNIC prefixes after maximum aggregation: 2060
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 6424
Unique aggregates announced from the AfriNIC address blocks: 2042
AfriNIC Region origin ASes present in the Internet Routing Table: 498
AfriNIC Prefixes per ASN: 12.90
AfriNIC Region origin ASes announcing only one prefix: 154
AfriNIC Region transit ASes present in the Internet Routing Table: 113
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 30383360
Equivalent to 1 /8s, 207 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 45.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1948 11101 663 Korea Telecom (KIX)
7545 1628 303 86 TPG Internet Pty Ltd
17974 1628 503 38 PT Telekomunikasi Indonesia
4755 1495 384 157 TATA Communications formerly
9829 1170 989 28 National Internet Backbone
9583 1099 81 496 Sify Limited
24560 982 381 162 Bharti Airtel Ltd., Telemedia
7552 978 1062 11 Vietel Corporation
18101 964 122 157 Reliance Infocom Ltd Internet
4808 937 1949 270 CNCGROUP IP network China169

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 219 BellSouth.net Inc.
7029 2949 1042 213 Windstream Communications Inc
18566 2094 383 177 Covad Communications Co.
1785 1858 680 121 PaeTec Communications, Inc.
4323 1617 1089 386 tw telecom holdings, inc.
20115 1601 1548 628 Charter Communications
22773 1504 2909 104 Cox Communications Inc.
30036 1445 258 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Online LLC
7018 1318 7063 866 AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1462 480 15 Corbina telecom
6830 644 1927 412 UPC Broadband
34984 623 131 200 BILISIM TELEKOM
2118 549 99 14 EUnet/RELCOM Autonomous Syste
20940 543 173 436 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
3320 528 8161 394 Deutsche Telekom AG
12479 493 601 12 France Telecom Espana SA
3292 481 2106 408 TDC Data Networks
8866 462 133 26 Bulgarian Telecommunication C

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 318 155 Types of queries are: POCs, o
28573 1524 1053 96 Types of queries are: POCs, o
8151 1312 2966 341 Uninet S.A. de C.V.
7303 1239 751 174 Telecom Argentina S.A.
27947 606 73 92 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 550 237 89 Types of queries are: POCs, o
6503 543 434 69 Axtel, S.A.B. de C.V.
11172 529 102 96 Alestra, S. de R.L. de C.V.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 963 958 13 TEDATA
24863 781 146 32 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
16637 161 664 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 219 BellSouth.net Inc.
7029 2949 1042 213 Windstream Communications Inc
18566 2094 383 177 Covad Communications Co.
4766 1948 11101 663 Korea Telecom (KIX)
1785 1858 680 121 PaeTec Communications, Inc.
10620 1721 318 155 Types of queries are: POCs, o
7545 1628 303 86 TPG Internet Pty Ltd
17974 1628 503 38 PT Telekomunikasi Indonesia
4323 1617 1089 386 tw telecom holdings, inc.
20115 1601 1548 628 Charter Communications

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2949 2736 Windstream Communications Inc
18566 2094 1917 Covad Communications Co.
1785 1858 1737 PaeTec Communications, Inc.
17974 1628 1590 PT Telekomunikasi Indonesia
10620 1721 1566 Types of queries are: POCs, o
7545 1628 1542 TPG Internet Pty Ltd
8402 1462 1447 Corbina telecom
28573 1524 1428 Types of queries are: POCs, o
22773 1504 1400 Cox Communications Inc.
4755 1495 1338 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.1.0.0/18 34456 JSC Rial Com AS
37.1.88.0/21 50763 MCKAYCOM LTD
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 MCI Communications Services,

Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:27 /11:81 /12:237
/13:465 /14:810 /15:1440 /16:11997 /17:6085 /18:10117
/19:20170 /20:27737 /21:27937 /22:37831 /23:35409 /24:197498
/25:11 /26:21 /27:20 /28:152 /29:135 /30:65
/31:0 /32:136

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2562 2949 Windstream Communications Inc
6389 2123 3481 BellSouth.net Inc.
18566 2043 2094 Covad Communications Co.
10620 1616 1721 Types of queries are: POCs, o
8402 1437 1462 Corbina telecom
30036 1405 1445 Mediacom Communications Corp
11492 1116 1153 CABLE ONE, INC.
1785 1060 1858 PaeTec Communications, Inc.
7011 1051 1167 Frontier Communications of Am
22773 965 1504 Cox Communications Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:443 2:464 4:15 5:1 6:3 8:360
12:1943 13:1 14:553 15:11 16:3 17:7
20:9 23:71 24:1694 27:1100 31:725 32:62
33:2 34:2 36:4 38:766 40:114 41:2887
42:69 44:3 46:1129 47:3 49:276 50:458
52:13 55:5 56:2 57:42 58:866 59:481
60:339 61:1068 62:915 63:1962 64:4046 65:2303
66:4351 67:2005 68:1177 69:3117 70:914 71:362
72:1777 74:2625 75:430 76:319 77:935 78:874
79:438 80:1144 81:847 82:533 83:531 84:469
85:1170 86:415 87:912 88:353 89:1582 90:247
91:4343 92:541 93:1389 94:1331 95:1087 96:389
97:286 98:781 99:38 101:123 103:536 106:8
107:107 108:95 109:1094 110:673 111:817 112:364
113:482 114:605 115:678 116:860 117:694 118:872
119:1216 120:341 121:648 122:1555 123:1017 124:1293
125:1287 128:243 129:181 130:176 131:574 132:150
133:21 134:212 135:55 136:211 137:143 138:279
139:121 140:459 141:253 142:365 143:392 144:499
145:66 146:469 147:223 148:616 149:271 150:158
151:192 152:443 153:171 154:6 155:395 156:205
157:327 158:156 159:431 160:340 161:204 162:360
163:173 164:519 165:389 166:542 167:457 168:812
169:145 170:822 171:93 172:4 173:1788 174:588
175:402 176:340 177:412 178:1135 180:1173 181:38
182:663 183:246 184:400 185:1 186:1478 187:781
188:943 189:1171 190:5281 192:5923 193:5119 194:3801
195:3363 196:1267 197:173 198:3570 199:4156 200:5461
201:1689 202:8257 203:8422 204:4246 205:2375 206:2584
207:2764 208:3978 209:3527 210:2671 211:1441 212:1995
213:1798 214:816 215:91 216:4902 217:1495 218:558
219:331 220:1215 221:507 222:297 223:246

End of report
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[bgp-stats] Routing Table Report - Japan view

* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 11 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 384331
Prefixes after maximum aggregation: 167536
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 188644
Total ASes present in the Internet Routing Table: 39506
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 32447
Origin ASes announcing only one prefix: 15499
Transit ASes present in the Internet Routing Table: 5340
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1867
Unregistered ASNs in the Routing Table: 973
Number of 32-bit ASNs allocated by the RIRs: 2067
Number of 32-bit ASNs visible in the Routing Table: 1719
Prefixes from 32-bit ASNs in the Routing Table: 4077
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 80
Number of addresses announced to Internet: 2499231744
Equivalent to 148 /8s, 247 /16s and 64 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162212

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 95286
Total APNIC prefixes after maximum aggregation: 31215
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91753
Unique aggregates announced from the APNIC address blocks: 38450
APNIC Region origin ASes present in the Internet Routing Table: 4593
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 725
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 119
Number of APNIC addresses announced to Internet: 631124576
Equivalent to 37 /8s, 158 /16s and 50 /24s
Percentage of available APNIC address space announced: 80.0

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 146213
Total ARIN prefixes after maximum aggregation: 74722
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118360
Unique aggregates announced from the ARIN address blocks: 48638
ARIN Region origin ASes present in the Internet Routing Table: 14786
ARIN Prefixes per ASN: 8.00
ARIN Region origin ASes announcing only one prefix: 5669
ARIN Region transit ASes present in the Internet Routing Table: 1576
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803351744
Equivalent to 47 /8s, 226 /16s and 44 /24s
Percentage of available ARIN address space announced: 63.8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 93383
Total RIPE prefixes after maximum aggregation: 51492
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 85783
Unique aggregates announced from the RIPE address blocks: 54894
RIPE Region origin ASes present in the Internet Routing Table: 16165
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 7984
RIPE Region transit ASes present in the Internet Routing Table: 2557
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1201
Number of RIPE addresses announced to Internet: 493972416
Equivalent to 29 /8s, 113 /16s and 107 /24s
Percentage of available RIPE address space announced: 79.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 36796
Total LACNIC prefixes after maximum aggregation: 7975
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36263
Unique aggregates announced from the LACNIC address blocks: 18882
LACNIC Region origin ASes present in the Internet Routing Table: 1555
LACNIC Prefixes per ASN: 23.32
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 383
Number of LACNIC addresses announced to Internet: 94666368
Equivalent to 5 /8s, 164 /16s and 126 /24s
Percentage of available LACNIC address space announced: 62.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8406
Total AfriNIC prefixes after maximum aggregation: 2060
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6439
Unique aggregates announced from the AfriNIC address blocks: 2056
AfriNIC Region origin ASes present in the Internet Routing Table: 501
AfriNIC Prefixes per ASN: 12.85
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 109
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30385920
Equivalent to 1 /8s, 207 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 45.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2509 11104 970 Korea Telecom (KIX)
17974 1694 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4755 1508 385 158 TATA Communications formerly
7552 1392 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1099 81 496 Sify Limited
4808 1076 2034 303 CNCGROUP IP network: China169
24560 982 381 162 Bharti Airtel Ltd., Telemedia
18101 963 122 157 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 218 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
4323 1617 1073 385 Time Warner Telecom
20115 1601 1546 629 Charter Communications
22773 1505 2909 104 Cox Communications, Inc.
30036 1446 258 676 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1308 7029 856 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1554 480 15 Corbina telecom
6830 644 1927 412 UPC Distribution Services
34984 624 132 201 BILISIM TELEKOM
2118 550 99 14 EUnet/RELCOM Autonomous Syste
20940 544 174 434 Akamai Technologies European
3320 528 8161 394 Deutsche Telekom AG
12479 493 601 12 Uni2 Autonomous System
3292 480 2106 407 TDC Tele Danmark
8866 462 133 26 Bulgarian Telecommunication C
8551 423 366 45 Bezeq International

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 318 155 TVCABLE BOGOTA
28573 1532 1053 96 NET Servicos de Comunicao S.A
8151 1456 2985 348 UniNet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 618 72 91 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
6503 554 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 546 237 89 Empresa Nacional de Telecomun
11172 528 86 95 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 963 958 13 TEDATA
24863 785 146 35 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
16637 164 664 83 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 218 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
4766 2509 11104 970 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
10620 1721 318 155 TVCABLE BOGOTA
17974 1694 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4323 1617 1073 385 Time Warner Telecom
20115 1601 1546 629 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2916 2716 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1855 1734 PaeTec Communications, Inc.
17974 1694 1656 PT TELEKOMUNIKASI INDONESIA
10620 1721 1566 TVCABLE BOGOTA
7545 1631 1545 TPG Internet Pty Ltd
4766 2509 1539 Korea Telecom (KIX)
8402 1554 1539 Corbina telecom
28573 1532 1436 NET Servicos de Comunicao S.A
22773 1505 1401 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.1.0.0/18 34456 JSC Rial Com AS
37.1.88.0/21 50763 MCKAYCOM LTD
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 UUNET Technologies, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:812 /15:1443 /16:12039 /17:6103 /18:10148
/19:20067 /20:27782 /21:28011 /22:38161 /23:35754 /24:199616
/25:1177 /26:1417 /27:783 /28:170 /29:3 /30:0
/31:0 /32:5

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2545 2916 Windstream Communications Inc
6389 2124 3481 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1529 1554 Corbina telecom
30036 1406 1446 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1060 1855 PaeTec Communications, Inc.
7011 1051 1167 Citizens Utilities
22773 966 1505 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:444 2:484 4:15 5:1 6:3 8:360
12:1942 13:1 14:558 15:11 16:3 17:7
20:9 23:72 24:1698 27:1107 31:727 32:67
33:2 34:2 36:4 38:770 39:1 40:114
41:2890 42:69 43:1 44:3 46:1127 47:3
49:276 50:459 52:13 55:5 56:2 57:45
58:938 59:485 60:342 61:1188 62:910 63:1966
64:4075 65:2304 66:4364 67:2005 68:1178 69:3116
70:916 71:362 72:1777 74:2636 75:430 76:319
77:938 78:885 79:440 80:1145 81:847 82:529
83:529 84:470 85:1170 86:408 87:910 88:353
89:1588 90:247 91:4342 92:540 93:1407 94:1326
95:1105 96:394 97:286 98:780 99:38 101:123
103:538 106:8 107:107 108:95 109:1095 110:673
111:823 112:375 113:484 114:613 115:695 116:876
117:714 118:879 119:1229 120:343 121:673 122:1559
123:1023 124:1370 125:1337 128:275 129:189 130:182
131:577 132:158 133:21 134:219 135:55 136:213
137:146 138:279 139:123 140:485 141:254 142:382
143:395 144:503 145:66 146:475 147:222 148:634
149:270 150:165 151:192 152:445 153:171 154:7
155:380 156:208 157:358 158:156 159:503 160:338
161:221 162:363 163:183 164:523 165:387 166:541
167:457 168:817 169:146 170:822 171:93 172:4
173:1788 174:588 175:415 176:346 177:431 178:1135
180:1173 181:38 182:675 183:247 184:400 185:1
186:1481 187:783 188:943 189:1174 190:5304 192:5967
193:5120 194:3796 195:3360 196:1282 197:172 198:3619
199:4216 200:5541 201:1702 202:8486 203:8511 204:4324
205:2403 206:2668 207:2839 208:4007 209:3552 210:2755
211:1470 212:1972 213:1795 214:818 215:91 216:4930
217:1492 218:579 219:344 220:1250 221:529 222:326
223:260

End of report
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Friday, December 9, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 10 Dec, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 388289
Prefixes after maximum aggregation: 168920
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 188935
Total ASes present in the Internet Routing Table: 39526
Prefixes per ASN: 9.82
Origin-only ASes present in the Internet Routing Table: 32516
Origin ASes announcing only one prefix: 15518
Transit ASes present in the Internet Routing Table: 5292
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 28
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6042
Unregistered ASNs in the Routing Table: 1006
Number of 32-bit ASNs allocated by the RIRs: 2059
Number of 32-bit ASNs visible in the Routing Table: 1718
Prefixes from 32-bit ASNs in the Routing Table: 4072
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 84
Number of addresses announced to Internet: 2499959334
Equivalent to 149 /8s, 2 /16s and 90 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162453

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 93594
Total APNIC prefixes after maximum aggregation: 30151
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 90110
Unique aggregates announced from the APNIC address blocks: 38456
APNIC Region origin ASes present in the Internet Routing Table: 4578
APNIC Prefixes per ASN: 19.68
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 118
Number of APNIC addresses announced to Internet: 631133952
Equivalent to 37 /8s, 158 /16s and 87 /24s
Percentage of available APNIC address space announced: 80.0

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149103
Total ARIN prefixes after maximum aggregation: 76971
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 120968
Unique aggregates announced from the ARIN address blocks: 48662
ARIN Region origin ASes present in the Internet Routing Table: 14805
ARIN Prefixes per ASN: 8.17
ARIN Region origin ASes announcing only one prefix: 5647
ARIN Region transit ASes present in the Internet Routing Table: 1550
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803452680
Equivalent to 47 /8s, 227 /16s and 183 /24s
Percentage of available ARIN address space announced: 63.9

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 95458
Total RIPE prefixes after maximum aggregation: 51663
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 86967
Unique aggregates announced from the RIPE address blocks: 55016
RIPE Region origin ASes present in the Internet Routing Table: 16191
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 8011
RIPE Region transit ASes present in the Internet Routing Table: 2534
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1202
Number of RIPE addresses announced to Internet: 494123468
Equivalent to 29 /8s, 115 /16s and 185 /24s
Percentage of available RIPE address space announced: 79.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37388
Total LACNIC prefixes after maximum aggregation: 8000
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 36777
Unique aggregates announced from the LACNIC address blocks: 18906
LACNIC Region origin ASes present in the Internet Routing Table: 1550
LACNIC Prefixes per ASN: 23.73
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 284
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 382
Number of LACNIC addresses announced to Internet: 94663432
Equivalent to 5 /8s, 164 /16s and 115 /24s
Percentage of available LACNIC address space announced: 62.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8421
Total AfriNIC prefixes after maximum aggregation: 2063
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6453
Unique aggregates announced from the AfriNIC address blocks: 2048
AfriNIC Region origin ASes present in the Internet Routing Table: 501
AfriNIC Prefixes per ASN: 12.88
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 112
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30371328
Equivalent to 1 /8s, 207 /16s and 110 /24s
Percentage of available AfriNIC address space announced: 45.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1944 11096 660 Korea Telecom (KIX)
17974 1696 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 85 TPG Internet Pty Ltd
4755 1508 385 156 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1099 81 496 Sify Limited
24560 982 381 162 Bharti Airtel Ltd.
18101 960 122 155 Reliance Infocom Ltd Internet
17488 946 166 225 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 218 bellsouth.net, inc.
7029 2847 1041 207 Windstream Communications Inc
18566 2092 382 176 Covad Communications
1785 1843 680 121 AppliedTheory Corporation
4323 1617 1089 386 Time Warner Telecom
20115 1602 1548 628 Charter Communications
22773 1505 2909 104 Cox Communications, Inc.
30036 1443 258 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1312 7046 860 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1534 480 15 Corbina telecom
286 1099 807 201 KPNQwest Backbone AS
6830 645 1927 412 UPC Distribution Services
34984 624 132 201 Tellcom Iletisim Hizmetleri
20940 550 176 439 Akamai Technologies European
2118 549 99 14 EUnet/RELCOM Autonomous Syste
9116 541 326 32 Goldenlines main autonomous s
3292 533 2106 407 TDC Tele Danmark
3320 527 8161 393 Deutsche Telekom AG
12479 493 601 12 Uni2 Autonomous System

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 318 155 TVCABLE BOGOTA
28573 1539 1059 72 Types of queries are: POCs, o
8151 1499 2966 345 Uninet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 631 73 92 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 564 434 70 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 551 237 89 COLOMBIA TELECOMUNICACIONES S
10481 543 429 25 Prima S.A.

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 218 bellsouth.net, inc.
7029 2847 1041 207 Windstream Communications Inc
18566 2092 382 176 Covad Communications
4766 1944 11096 660 Korea Telecom (KIX)
1785 1843 680 121 AppliedTheory Corporation
10620 1721 318 155 TVCABLE BOGOTA
17974 1696 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 85 TPG Internet Pty Ltd
4323 1617 1089 386 Time Warner Telecom
20115 1602 1548 628 Charter Communications

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2847 2640 Windstream Communications Inc
18566 2092 1916 Covad Communications
1785 1843 1722 AppliedTheory Corporation
17974 1696 1658 PT TELEKOMUNIKASI INDONESIA
10620 1721 1566 TVCABLE BOGOTA
7545 1627 1542 TPG Internet Pty Ltd
8402 1534 1519 Corbina telecom
28573 1539 1467 Types of queries are: POCs, o
22773 1505 1401 Cox Communications, Inc.
7552 1392 1385 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.0.24.0/21 50794 AS Levira
37.1.0.0/18 34456 JSC Rial Com AS
37.1.88.0/21 50763 MCKAYCOM LTD
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska
64.21.212.0/22 11610 Internet Nebraska
64.21.216.0/21 11610 Internet Nebraska

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:27 /11:81 /12:236
/13:465 /14:817 /15:1472 /16:12186 /17:6360 /18:10493
/19:20609 /20:28958 /21:28404 /22:38608 /23:36269 /24:201523
/25:69 /26:85 /27:112 /28:297 /29:112 /30:535
/31:52 /32:487

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2476 2847 Windstream Communications Inc
6389 2122 3479 bellsouth.net, inc.
18566 2042 2092 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1510 1534 Corbina telecom
30036 1403 1443 Mediacom Communications Corp
11492 1116 1153 Cable One
7011 1051 1167 Citizens Utilities
1785 1049 1843 AppliedTheory Corporation
22773 966 1505 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:448 2:483 4:19 5:1 6:3 8:362
12:1946 13:1 14:559 15:11 16:3 17:7
20:9 23:72 24:1703 27:1115 31:721 32:122
33:2 34:2 36:4 38:773 39:1 40:114
41:2905 42:70 43:1 44:3 46:1130 47:3
49:231 50:461 52:13 55:5 56:2 57:55
58:948 59:487 60:343 61:1182 62:931 63:1988
64:4097 65:2308 66:4389 67:2035 68:1362 69:3249
70:964 71:362 72:1807 73:1 74:2695 75:445
76:331 77:939 78:884 79:442 80:1146 81:854
82:546 83:534 84:479 85:1172 86:417 87:916
88:355 89:1612 90:247 91:4348 92:541 93:1402
94:1329 95:1117 96:398 97:285 98:791 99:38
101:245 103:546 106:8 107:106 108:98 109:1104
110:694 111:824 112:375 113:503 114:629 115:714
116:905 117:729 118:890 119:1265 120:344 121:702
122:1559 123:1017 124:1396 125:1341 128:276 129:192
130:184 131:580 132:158 133:21 134:222 135:55
136:212 137:147 138:295 139:134 140:488 141:254
142:383 143:400 144:505 145:66 146:477 147:233
148:691 149:272 150:165 151:192 152:446 153:171
154:7 155:395 156:210 157:360 158:156 159:503
160:334 161:221 162:363 163:183 164:523 165:408
166:542 167:459 168:819 169:147 170:822 171:90
172:4 173:1804 174:597 175:429 176:334 177:433
178:1139 180:1183 181:38 182:680 183:253 184:400
185:1 186:1477 187:783 188:944 189:1173 190:5299
192:6001 193:5137 194:3843 195:3431 196:1294 197:173
198:3634 199:4224 200:5545 201:1705 202:8542 203:8538
204:4334 205:2410 206:2699 207:2848 208:4018 209:3587
210:2776 211:1480 212:2024 213:1803 214:817 215:92
216:4970 217:1496 218:580 219:345 220:1257 221:529
222:327 223:262

End of report
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