BGP Routing: 2011-09-25

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, October 1, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 02 Oct, 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: 379201
Prefixes after maximum aggregation: 169691
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 185173
Total ASes present in the Internet Routing Table: 38899
Prefixes per ASN: 9.75
Origin-only ASes present in the Internet Routing Table: 32226
Origin ASes announcing only one prefix: 15445
Transit ASes present in the Internet Routing Table: 5214
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 32
Max AS path prepend of ASN (51310) 23
Prefixes from unregistered ASNs in the Routing Table: 4833
Unregistered ASNs in the Routing Table: 799
Number of 32-bit ASNs allocated by the RIRs: 1808
Number of 32-bit ASNs visible in the Routing Table: 1459
Prefixes from 32-bit ASNs in the Routing Table: 3376
Special use prefixes present in the Routing Table: 82
Prefixes being announced from unallocated address space: 98
Number of addresses announced to Internet: 2481786902
Equivalent to 147 /8s, 237 /16s and 16 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.4
Total number of prefixes smaller than registry allocations: 157899

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

Prefixes being announced by APNIC Region ASes: 92132
Total APNIC prefixes after maximum aggregation: 29643
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 88714
Unique aggregates announced from the APNIC address blocks: 37878
APNIC Region origin ASes present in the Internet Routing Table: 4554
APNIC Prefixes per ASN: 19.48
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 721
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: 90
Number of APNIC addresses announced to Internet: 628324352
Equivalent to 37 /8s, 115 /16s and 120 /24s
Percentage of available APNIC address space announced: 79.7

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: 147252
Total ARIN prefixes after maximum aggregation: 75974
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 119157
Unique aggregates announced from the ARIN address blocks: 47935
ARIN Region origin ASes present in the Internet Routing Table: 14683
ARIN Prefixes per ASN: 8.12
ARIN Region origin ASes announcing only one prefix: 5625
ARIN Region transit ASes present in the Internet Routing Table: 1534
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804529688
Equivalent to 47 /8s, 244 /16s and 38 /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: 91970
Total RIPE prefixes after maximum aggregation: 50543
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 83836
Unique aggregates announced from the RIPE address blocks: 54171
RIPE Region origin ASes present in the Internet Routing Table: 16006
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 7947
RIPE Region transit ASes present in the Internet Routing Table: 2499
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1034
Number of RIPE addresses announced to Internet: 490375884
Equivalent to 29 /8s, 58 /16s and 138 /24s
Percentage of available RIPE address space announced: 79.0

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: 35640
Total LACNIC prefixes after maximum aggregation: 7833
LACNIC Deaggregation factor: 4.55
Prefixes being announced from the LACNIC address blocks: 34883
Unique aggregates announced from the LACNIC address blocks: 18004
LACNIC Region origin ASes present in the Internet Routing Table: 1527
LACNIC Prefixes per ASN: 22.84
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 273
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 319
Number of LACNIC addresses announced to Internet: 89660680
Equivalent to 5 /8s, 88 /16s and 29 /24s
Percentage of available LACNIC address space announced: 59.4

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: 8640
Total AfriNIC prefixes after maximum aggregation: 2011
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 6693
Unique aggregates announced from the AfriNIC address blocks: 1960
AfriNIC Region origin ASes present in the Internet Routing Table: 488
AfriNIC Prefixes per ASN: 13.72
AfriNIC Region origin ASes announcing only one prefix: 154
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.1
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: 27672832
Equivalent to 1 /8s, 166 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 41.2

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
17974 2000 519 33 PT TELEKOMUNIKASI INDONESIA
4766 1951 11073 662 Korea Telecom (KIX)
7545 1604 303 86 TPG Internet Pty Ltd
4755 1537 378 174 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
24560 1177 345 208 Bharti Airtel Ltd.
9829 1155 987 25 BSNL National Internet Backbo
9583 1086 80 502 Sify Limited
4808 1049 2077 296 CNCGROUP IP network: China169
18101 953 165 143 Reliance Infocom Ltd Internet

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 3555 3817 225 bellsouth.net, inc.
18566 1915 366 239 Covad Communications
7029 1859 1033 206 Windstream Communications Inc
1785 1833 681 124 AppliedTheory Corporation
4323 1626 1098 391 Time Warner Telecom
20115 1594 1542 634 Charter Communications
22773 1457 2907 100 Cox Communications, Inc.
19262 1393 4728 400 Verizon Global Networks
30036 1390 252 668 Mediacom Communications Corp
7018 1343 7068 876 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 1200 352 13 Corbina telecom
286 1070 824 199 KPNQwest Backbone AS
34984 576 108 179 Tellcom Iletisim Hizmetleri
6830 558 1873 333 UPC Distribution Services
9116 540 326 31 Goldenlines main autonomous s
20940 533 180 409 Akamai Technologies European
3292 529 2082 408 TDC Tele Danmark
3320 500 8169 383 Deutsche Telekom AG
12479 475 593 7 Uni2 Autonomous System
8866 459 133 26 Bulgarian Telecommunication C

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 1681 310 155 TVCABLE BOGOTA
8151 1446 2804 341 Uninet S.A. de C.V.
28573 1359 1013 70 Types of queries are: POCs, o
7303 1164 683 175 Telecom Argentina Stet-France
14420 742 58 87 Types of queries are: POCs, o
27947 588 72 79 Telconet S.A
6503 585 450 71 AVANTEL, S.A.
22047 581 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 536 232 98 COLOMBIA TELECOMUNICACIONES S

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
24863 814 147 36 LINKdotNET AS number
8452 730 445 11 TEDATA
15475 449 74 8 Nile Online
36992 292 415 14 Etisalat MISR
3741 276 938 229 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 199 28 59 YEBO-AS
29571 193 17 12 Ci Telecom Autonomous system

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 3555 3817 225 bellsouth.net, inc.
17974 2000 519 33 PT TELEKOMUNIKASI INDONESIA
4766 1951 11073 662 Korea Telecom (KIX)
18566 1915 366 239 Covad Communications
7029 1859 1033 206 Windstream Communications Inc
1785 1833 681 124 AppliedTheory Corporation
10620 1681 310 155 TVCABLE BOGOTA
4323 1626 1098 391 Time Warner Telecom
7545 1604 303 86 TPG Internet Pty Ltd
20115 1594 1542 634 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
17974 2000 1967 PT TELEKOMUNIKASI INDONESIA
1785 1833 1709 AppliedTheory Corporation
18566 1915 1676 Covad Communications
7029 1859 1653 Windstream Communications Inc
10620 1681 1526 TVCABLE BOGOTA
7545 1604 1518 TPG Internet Pty Ltd
7552 1392 1385 Vietel Corporation
4755 1537 1363 Videsh Sanchar Nigam Ltd. Aut
22773 1457 1357 Cox Communications, Inc.
4766 1951 1289 Korea Telecom (KIX)

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
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
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

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 /12:235
/13:464 /14:809 /15:1454 /16:12094 /17:6247 /18:10367
/19:20370 /20:28260 /21:27658 /22:37157 /23:35472 /24:196793
/25:72 /26:89 /27:115 /28:290 /29:106 /30:483
/31:51 /32:475

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

ASN No of nets Total ann. Description
6389 2192 3555 bellsouth.net, inc.
18566 1870 1915 Covad Communications
10620 1576 1681 TVCABLE BOGOTA
7029 1542 1859 Windstream Communications Inc
30036 1352 1390 Mediacom Communications Corp
8402 1160 1200 Corbina telecom
11492 1115 1153 Cable One
1785 1054 1833 AppliedTheory Corporation
7011 1052 1173 Citizens Utilities
22773 946 1457 Cox Communications, Inc.

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

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

1:377 2:389 4:19 5:1 6:3 8:355
12:1956 13:1 14:530 15:13 16:3 17:7
20:10 23:36 24:1693 27:961 31:575 32:150
33:4 34:2 36:4 38:750 40:108 41:2713
42:49 44:3 46:995 47:3 49:259 50:433
52:13 55:4 56:2 57:48 58:884 59:490
60:365 61:1181 62:1108 63:1956 64:4102 65:2307
66:4039 67:1983 68:1278 69:3314 70:874 71:377
72:1878 73:1 74:2518 75:368 76:349 77:883
78:836 79:490 80:1131 81:853 82:516 83:605
84:639 85:1121 86:414 87:883 88:356 89:1604
90:268 91:4155 92:532 93:1337 94:1322 95:958
96:444 97:278 98:923 99:37 101:210 103:333
106:70 107:59 108:51 109:1043 110:668 111:796
112:322 113:453 114:555 115:699 116:900 117:704
118:904 119:1204 120:334 121:699 122:1599 123:1025
124:1337 125:1394 128:245 129:181 130:166 131:575
132:107 133:21 134:215 135:54 136:213 137:138
138:286 139:135 140:493 141:291 142:391 143:413
144:487 145:64 146:472 147:226 148:692 149:264
150:154 151:193 152:443 153:177 154:6 155:386
156:207 157:362 158:150 159:465 160:314 161:206
162:336 163:178 164:511 165:405 166:538 167:436
168:738 169:148 170:862 171:85 172:1 173:1668
174:656 175:425 176:245 177:289 178:1048 180:1106
181:37 182:632 183:215 184:379 185:1 186:1496
187:682 188:924 189:858 190:5174 192:5942 193:5028
194:3554 195:3107 196:1267 197:174 198:3625 199:4139
200:5524 201:1646 202:8577 203:8500 204:4261 205:2366
206:2732 207:2838 208:4167 209:3552 210:2724 211:1465
212:2092 213:1784 214:785 215:90 216:4952 217:1607
218:565 219:339 220:1229 221:506 222:343 223:263

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 02 Oct, 2011

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

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

BGP routing table entries examined: 369216
Prefixes after maximum aggregation: 166596
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 185069
Total ASes present in the Internet Routing Table: 37276
Prefixes per ASN: 9.90
Origin-only ASes present in the Internet Routing Table: 32178
Origin ASes announcing only one prefix: 15453
Transit ASes present in the Internet Routing Table: 5098
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 31
Max AS path prepend of ASN (51310) 23
Prefixes from unregistered ASNs in the Routing Table: 2231
Unregistered ASNs in the Routing Table: 878
Number of 32-bit ASNs allocated by the RIRs: 1808
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3369
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 95
Number of addresses announced to Internet: 2498353920
Equivalent to 148 /8s, 233 /16s and 219 /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: 91.4
Total number of prefixes smaller than registry allocations: 153377

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

Prefixes being announced by APNIC Region ASes: 89066
Total APNIC prefixes after maximum aggregation: 29470
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 86482
Unique aggregates announced from the APNIC address blocks: 37930
APNIC Region origin ASes present in the Internet Routing Table: 4518
APNIC Prefixes per ASN: 19.14
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 681
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: 627698944
Equivalent to 37 /8s, 105 /16s and 237 /24s
Percentage of available APNIC address space announced: 79.6

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

Prefixes being announced by ARIN Region ASes: 142616
Total ARIN prefixes after maximum aggregation: 73377
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 115123
Unique aggregates announced from the ARIN address blocks: 48053
ARIN Region origin ASes present in the Internet Routing Table: 14594
ARIN Prefixes per ASN: 7.89
ARIN Region origin ASes announcing only one prefix: 5623
ARIN Region transit ASes present in the Internet Routing Table: 1491
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: 804488960
Equivalent to 47 /8s, 243 /16s and 135 /24s
Percentage of available ARIN address space announced: 63.9

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

Prefixes being announced by RIPE Region ASes: 90384
Total RIPE prefixes after maximum aggregation: 50347
RIPE Deaggregation factor: 1.80
Prefixes being announced from the RIPE address blocks: 83057
Unique aggregates announced from the RIPE address blocks: 54101
RIPE Region origin ASes present in the Internet Routing Table: 15991
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 7959
RIPE Region transit ASes present in the Internet Routing Table: 2495
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 490048000
Equivalent to 29 /8s, 53 /16s and 138 /24s
Percentage of available RIPE address space announced: 78.9

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

Prefixes being announced by LACNIC Region ASes: 34465
Total LACNIC prefixes after maximum aggregation: 7705
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 33968
Unique aggregates announced from the LACNIC address blocks: 17981
LACNIC Region origin ASes present in the Internet Routing Table: 1514
LACNIC Prefixes per ASN: 22.44
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 265
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 89599488
Equivalent to 5 /8s, 87 /16s and 46 /24s
Percentage of available LACNIC address space announced: 59.3

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: 8626
Total AfriNIC prefixes after maximum aggregation: 2008
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 6684
Unique aggregates announced from the AfriNIC address blocks: 1954
AfriNIC Region origin ASes present in the Internet Routing Table: 486
AfriNIC Prefixes per ASN: 13.75
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 104
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: 27674880
Equivalent to 1 /8s, 166 /16s and 73 /24s
Percentage of available AfriNIC address space announced: 41.2

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 1945 11040 656 Korea Telecom (KIX)
17974 1699 519 33 PT Telekomunikasi Indonesia
7545 1604 303 86 TPG Internet Pty Ltd
4755 1535 638 175 TATA Communications formerly
24560 1177 345 208 Bharti Airtel Ltd., Telemedia
9829 1155 987 25 National Internet Backbone
9583 1086 80 502 Sify Limited
7552 988 1062 11 Vietel Corporation
4808 959 2003 270 CNCGROUP IP network China169
18101 954 165 143 Reliance Infocom Ltd Internet

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 3557 3817 226 BellSouth.net Inc.
18566 1913 365 237 Covad Communications Co.
7029 1863 1033 207 Windstream Communications Inc
1785 1833 681 124 PaeTec Communications, Inc.
4323 1628 1098 392 tw telecom holdings, inc.
20115 1594 1542 635 Charter Communications
22773 1456 2907 100 Cox Communications Inc.
19262 1393 4728 400 Verizon Online LLC
30036 1389 252 667 Mediacom Communications Corp
7018 1350 7084 883 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 1199 352 13 Corbina telecom
34984 575 108 179 BILISIM TELEKOM
6830 556 1873 333 UPC Broadband
9116 540 326 31 Goldenlines main autonomous s
20940 522 176 410 Akamai Technologies European
3320 500 8169 383 Deutsche Telekom AG
3292 480 2082 409 TDC Data Networks
12479 476 593 7 France Telecom Espana SA
8866 459 133 26 Bulgarian Telecommunication C
29049 423 31 55 AzerSat LLC.

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 1681 310 155 Types of queries are: POCs, o
28573 1359 1013 70 Types of queries are: POCs, o
8151 1268 2804 339 Uninet S.A. de C.V.
7303 1164 683 175 Telecom Argentina S.A.
14420 742 58 87 CORPORACION NACIONAL DE TELEC
22047 581 322 17 Types of queries are: POCs, o
27947 564 72 79 Telconet S.A
6503 562 450 70 Axtel, S.A.B. de C.V.
3816 537 232 99 Types of queries are: POCs, o
11172 521 101 95 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
24863 810 147 35 LINKdotNET AS number
8452 730 445 11 TEDATA
15475 449 74 8 Nile Online
36992 293 415 14 Etisalat MISR
3741 276 938 229 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 199 28 59 Vodacom Internet Company
29571 192 17 11 Ci Telecom Autonomous system

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 3557 3817 226 BellSouth.net Inc.
4766 1945 11040 656 Korea Telecom (KIX)
18566 1913 365 237 Covad Communications Co.
7029 1863 1033 207 Windstream Communications Inc
1785 1833 681 124 PaeTec Communications, Inc.
17974 1699 519 33 PT Telekomunikasi Indonesia
10620 1681 310 155 Types of queries are: POCs, o
4323 1628 1098 392 tw telecom holdings, inc.
7545 1604 303 86 TPG Internet Pty Ltd
20115 1594 1542 635 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
1785 1833 1709 PaeTec Communications, Inc.
18566 1913 1676 Covad Communications Co.
17974 1699 1666 PT Telekomunikasi Indonesia
7029 1863 1656 Windstream Communications Inc
10620 1681 1526 Types of queries are: POCs, o
7545 1604 1518 TPG Internet Pty Ltd
4755 1535 1360 TATA Communications formerly
22773 1456 1356 Cox Communications Inc.
4766 1945 1289 Korea Telecom (KIX)
28573 1359 1289 Types of queries are: POCs, o

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
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
--------------------------------

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 /12:236
/13:464 /14:801 /15:1416 /16:11938 /17:5968 /18:10009
/19:19922 /20:27049 /21:27100 /22:36436 /23:34548 /24:192679
/25:12 /26:20 /27:24 /28:153 /29:123 /30:56
/31:0 /32:122

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

ASN No of nets Total ann. Description
6389 2193 3557 BellSouth.net Inc.
18566 1869 1913 Covad Communications Co.
10620 1576 1681 Types of queries are: POCs, o
7029 1542 1863 Windstream Communications Inc
30036 1351 1389 Mediacom Communications Corp
8402 1159 1199 Corbina telecom
11492 1113 1150 CABLE ONE, INC.
1785 1054 1833 PaeTec Communications, Inc.
7011 1052 1173 Frontier Communications of Am
22773 945 1456 Cox Communications Inc.

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

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

1:378 2:388 4:15 5:1 6:3 8:351
12:1952 13:1 14:519 15:13 16:3 17:7
20:10 23:36 24:1684 27:957 31:564 32:60
33:4 34:2 36:4 38:741 40:108 41:2706
42:48 44:3 46:990 47:3 49:259 50:430
52:13 55:4 56:2 57:37 58:829 59:487
60:362 61:1020 62:1101 63:1924 64:4024 65:2302
66:3981 67:1950 68:1095 69:3194 70:825 71:377
72:1847 74:2459 75:355 76:340 77:882 78:834
79:489 80:1127 81:850 82:509 83:603 84:622
85:1116 86:411 87:882 88:352 89:1591 90:268
91:4152 92:526 93:1329 94:1319 95:933 96:435
97:278 98:907 99:37 101:85 103:331 106:70
107:59 108:47 109:1033 110:629 111:791 112:314
113:430 114:542 115:669 116:859 117:676 118:852
119:1187 120:332 121:664 122:1590 123:1016 124:1277
125:1334 128:206 129:172 130:159 131:572 132:99
133:21 134:206 135:54 136:211 137:135 138:286
139:119 140:471 141:290 142:370 143:409 144:483
145:63 146:465 147:215 148:618 149:263 150:133
151:193 152:441 153:177 154:5 155:386 156:204
157:330 158:150 159:396 160:313 161:196 162:333
163:167 164:507 165:373 166:536 167:432 168:733
169:145 170:862 171:85 172:1 173:1649 174:648
175:414 176:243 177:286 178:1046 180:1087 181:37
182:616 183:211 184:380 185:1 186:1494 187:679
188:923 189:858 190:5151 192:5865 193:5014 194:3528
195:3076 196:1255 197:175 198:3562 199:4089 200:5447
201:1640 202:8280 203:8363 204:4183 205:2325 206:2588
207:2754 208:4033 209:3441 210:2624 211:1454 212:2060
213:1775 214:769 215:89 216:4861 217:1604 218:552
219:331 220:1187 221:489 222:293 223:258

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 02 Oct, 2011

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

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

BGP routing table entries examined: 375343
Prefixes after maximum aggregation: 168680
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 185074
Total ASes present in the Internet Routing Table: 38915
Prefixes per ASN: 9.65
Origin-only ASes present in the Internet Routing Table: 32239
Origin ASes announcing only one prefix: 15472
Transit ASes present in the Internet Routing Table: 5217
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1493
Unregistered ASNs in the Routing Table: 808
Number of 32-bit ASNs allocated by the RIRs: 1808
Number of 32-bit ASNs visible in the Routing Table: 1459
Prefixes from 32-bit ASNs in the Routing Table: 3371
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 97
Number of addresses announced to Internet: 2481566720
Equivalent to 147 /8s, 233 /16s and 180 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.4
Total number of prefixes smaller than registry allocations: 157156

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

Prefixes being announced by APNIC Region ASes: 94293
Total APNIC prefixes after maximum aggregation: 30837
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 90760
Unique aggregates announced from the APNIC address blocks: 37940
APNIC Region origin ASes present in the Internet Routing Table: 4569
APNIC Prefixes per ASN: 19.86
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 706
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 90
Number of APNIC addresses announced to Internet: 628401248
Equivalent to 37 /8s, 116 /16s and 164 /24s
Percentage of available APNIC address space announced: 79.7

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

Prefixes being announced by ARIN Region ASes: 144085
Total ARIN prefixes after maximum aggregation: 73940
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116242
Unique aggregates announced from the ARIN address blocks: 47918
ARIN Region origin ASes present in the Internet Routing Table: 14686
ARIN Prefixes per ASN: 7.92
ARIN Region origin ASes announcing only one prefix: 5652
ARIN Region transit ASes present in the Internet Routing Table: 1564
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: 804660224
Equivalent to 47 /8s, 246 /16s and 36 /24s
Percentage of available ARIN address space announced: 63.9

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

Prefixes being announced by RIPE Region ASes: 89824
Total RIPE prefixes after maximum aggregation: 50427
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 82525
Unique aggregates announced from the RIPE address blocks: 54138
RIPE Region origin ASes present in the Internet Routing Table: 16004
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 7959
RIPE Region transit ASes present in the Internet Routing Table: 2500
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: 1032
Number of RIPE addresses announced to Internet: 490084992
Equivalent to 29 /8s, 54 /16s and 26 /24s
Percentage of available RIPE address space announced: 78.9

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

Prefixes being announced by LACNIC Region ASes: 35024
Total LACNIC prefixes after maximum aggregation: 7785
LACNIC Deaggregation factor: 4.50
Prefixes being announced from the LACNIC address blocks: 34368
Unique aggregates announced from the LACNIC address blocks: 17992
LACNIC Region origin ASes present in the Internet Routing Table: 1527
LACNIC Prefixes per ASN: 22.51
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 278
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: 321
Number of LACNIC addresses announced to Internet: 89622400
Equivalent to 5 /8s, 87 /16s and 135 /24s
Percentage of available LACNIC address space announced: 59.4

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: 8578
Total AfriNIC prefixes after maximum aggregation: 2000
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 6651
Unique aggregates announced from the AfriNIC address blocks: 1965
AfriNIC Region origin ASes present in the Internet Routing Table: 486
AfriNIC Prefixes per ASN: 13.69
AfriNIC Region origin ASes announcing only one prefix: 153
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.6
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: 27677184
Equivalent to 1 /8s, 166 /16s and 82 /24s
Percentage of available AfriNIC address space announced: 41.2

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 2510 11048 963 Korea Telecom (KIX)
17974 2002 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1607 303 86 TPG Internet Pty Ltd
4755 1542 638 176 TATA Communications formerly
7552 1392 1064 7 Vietel Corporation
24560 1177 345 208 Bharti Airtel Ltd., Telemedia
9829 1158 989 28 BSNL National Internet Backbo
9583 1086 80 502 Sify Limited
4808 1074 2096 303 CNCGROUP IP network: China169
18101 952 165 142 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 3557 3817 225 bellsouth.net, inc.
18566 1915 366 239 Covad Communications
1785 1829 680 124 PaeTec Communications, Inc.
7029 1827 1008 195 Windstream Communications Inc
4323 1628 1082 391 Time Warner Telecom
20115 1595 1542 635 Charter Communications
22773 1457 2907 100 Cox Communications, Inc.
19262 1394 4728 400 Verizon Global Networks
30036 1390 252 668 Mediacom Communications Corp
7018 1339 7051 874 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 1215 352 13 Corbina telecom
34984 577 108 180 BILISIM TELEKOM
6830 557 1873 333 UPC Distribution Services
20940 530 178 408 Akamai Technologies European
3320 500 8169 383 Deutsche Telekom AG
3292 479 2082 408 TDC Tele Danmark
12479 475 593 7 Uni2 Autonomous System
8866 459 133 26 Bulgarian Telecommunication C
29049 423 31 55 AzerSat LLC.
8551 404 354 44 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 1681 310 155 TVCABLE BOGOTA
8151 1405 2823 345 UniNet S.A. de C.V.
28573 1368 1013 70 NET Servicos de Comunicao S.A
7303 1164 683 175 Telecom Argentina Stet-France
14420 742 58 87 CORPORACION NACIONAL DE TELEC
22047 581 322 17 VTR PUNTO NET S.A.
6503 575 450 69 AVANTEL, S.A.
27947 573 71 83 Telconet S.A
3816 536 232 98 Empresa Nacional de Telecomun
11172 522 85 94 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
24863 813 147 37 LINKdotNET AS number
8452 730 445 11 TEDATA
15475 449 74 8 Nile Online
36992 289 415 14 Etisalat MISR
3741 275 939 230 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 198 28 58 Vodacom Internet Company
29571 192 17 11 Ci Telecom Autonomous system

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 3557 3817 225 bellsouth.net, inc.
4766 2510 11048 963 Korea Telecom (KIX)
17974 2002 519 33 PT TELEKOMUNIKASI INDONESIA
18566 1915 366 239 Covad Communications
1785 1829 680 124 PaeTec Communications, Inc.
7029 1827 1008 195 Windstream Communications Inc
10620 1681 310 155 TVCABLE BOGOTA
4323 1628 1082 391 Time Warner Telecom
7545 1607 303 86 TPG Internet Pty Ltd
20115 1595 1542 635 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
17974 2002 1969 PT TELEKOMUNIKASI INDONESIA
1785 1829 1705 PaeTec Communications, Inc.
18566 1915 1676 Covad Communications
7029 1827 1632 Windstream Communications Inc
4766 2510 1547 Korea Telecom (KIX)
10620 1681 1526 TVCABLE BOGOTA
7545 1607 1521 TPG Internet Pty Ltd
7552 1392 1385 Vietel Corporation
4755 1542 1366 TATA Communications formerly
22773 1457 1357 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

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

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 /12:235
/13:464 /14:802 /15:1422 /16:11993 /17:5991 /18:10049
/19:19842 /20:27109 /21:27198 /22:36847 /23:34953 /24:194894
/25:1132 /26:1345 /27:750 /28:169 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2194 3557 bellsouth.net, inc.
18566 1870 1915 Covad Communications
10620 1576 1681 TVCABLE BOGOTA
7029 1523 1827 Windstream Communications Inc
30036 1352 1390 Mediacom Communications Corp
8402 1175 1215 Corbina telecom
11492 1115 1153 Cable One
1785 1053 1829 PaeTec Communications, Inc.
7011 1052 1173 Citizens Utilities
22773 946 1457 Cox Communications, Inc.

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

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

1:378 2:390 4:15 5:1 6:3 8:354
12:1953 13:1 14:528 15:13 16:3 17:7
20:10 23:36 24:1688 27:963 31:565 32:65
33:4 34:2 36:4 38:746 40:108 41:2683
42:48 44:3 46:991 47:3 49:263 50:432
52:13 55:5 56:2 57:38 58:879 59:490
60:365 61:1178 62:1082 63:1930 64:4056 65:2302
66:3996 67:1951 68:1102 69:3197 70:829 71:377
72:1848 74:2464 75:356 76:341 77:882 78:834
79:480 80:1122 81:835 82:504 83:500 84:623
85:1117 86:407 87:876 88:352 89:1594 90:268
91:4146 92:531 93:1332 94:1318 95:955 96:440
97:278 98:905 99:37 101:210 103:333 106:70
107:59 108:47 109:1034 110:661 111:795 112:322
113:450 114:552 115:699 116:877 117:704 118:891
119:1204 120:334 121:682 122:1603 123:1020 124:1352
125:1394 128:244 129:169 130:165 131:580 132:112
133:21 134:214 135:54 136:213 137:138 138:288
139:122 140:491 141:291 142:388 143:414 144:486
145:63 146:471 147:215 148:639 149:264 150:156
151:193 152:446 153:177 154:6 155:386 156:207
157:361 158:150 159:465 160:323 161:206 162:336
163:178 164:511 165:375 166:536 167:432 168:739
169:147 170:862 171:85 172:1 173:1651 174:648
175:414 176:245 177:290 178:1045 180:1099 181:37
182:627 183:215 184:379 185:1 186:1495 187:680
188:923 189:854 190:5171 192:5911 193:5012 194:3529
195:3075 196:1248 197:174 198:3617 199:4139 200:5516
201:1640 202:8574 203:8487 204:4254 205:2354 206:2677
207:2822 208:4041 209:3465 210:2696 211:1461 212:2043
213:1774 214:787 215:90 216:4888 217:1599 218:561
219:338 220:1227 221:505 222:342 223:264

End of report
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Friday, September 30, 2011

[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 01 Oct, 2011

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

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

BGP routing table entries examined: 369199
Prefixes after maximum aggregation: 166751
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 185203
Total ASes present in the Internet Routing Table: 37305
Prefixes per ASN: 9.90
Origin-only ASes present in the Internet Routing Table: 32202
Origin ASes announcing only one prefix: 15473
Transit ASes present in the Internet Routing Table: 5103
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 31
Max AS path prepend of ASN (51310) 23
Prefixes from unregistered ASNs in the Routing Table: 2225
Unregistered ASNs in the Routing Table: 874
Number of 32-bit ASNs allocated by the RIRs: 1802
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3345
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 101
Number of addresses announced to Internet: 2498675968
Equivalent to 148 /8s, 238 /16s and 197 /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: 91.4
Total number of prefixes smaller than registry allocations: 153303

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

Prefixes being announced by APNIC Region ASes: 89066
Total APNIC prefixes after maximum aggregation: 29481
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 86490
Unique aggregates announced from the APNIC address blocks: 37992
APNIC Region origin ASes present in the Internet Routing Table: 4518
APNIC Prefixes per ASN: 19.14
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 684
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: 627786240
Equivalent to 37 /8s, 107 /16s and 66 /24s
Percentage of available APNIC address space announced: 79.6

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

Prefixes being announced by ARIN Region ASes: 142762
Total ARIN prefixes after maximum aggregation: 73507
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 115207
Unique aggregates announced from the ARIN address blocks: 48103
ARIN Region origin ASes present in the Internet Routing Table: 14618
ARIN Prefixes per ASN: 7.88
ARIN Region origin ASes announcing only one prefix: 5638
ARIN Region transit ASes present in the Internet Routing Table: 1489
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: 804634368
Equivalent to 47 /8s, 245 /16s and 191 /24s
Percentage of available ARIN address space announced: 63.9

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

Prefixes being announced by RIPE Region ASes: 90324
Total RIPE prefixes after maximum aggregation: 50349
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 83007
Unique aggregates announced from the RIPE address blocks: 54093
RIPE Region origin ASes present in the Internet Routing Table: 15993
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 7965
RIPE Region transit ASes present in the Internet Routing Table: 2499
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 490029568
Equivalent to 29 /8s, 53 /16s and 66 /24s
Percentage of available RIPE address space announced: 78.9

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

Prefixes being announced by LACNIC Region ASes: 34442
Total LACNIC prefixes after maximum aggregation: 7721
LACNIC Deaggregation factor: 4.46
Prefixes being announced from the LACNIC address blocks: 33926
Unique aggregates announced from the LACNIC address blocks: 17982
LACNIC Region origin ASes present in the Internet Routing Table: 1516
LACNIC Prefixes per ASN: 22.38
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 265
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 89628928
Equivalent to 5 /8s, 87 /16s and 161 /24s
Percentage of available LACNIC address space announced: 59.4

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: 8556
Total AfriNIC prefixes after maximum aggregation: 2009
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 6612
Unique aggregates announced from the AfriNIC address blocks: 1956
AfriNIC Region origin ASes present in the Internet Routing Table: 488
AfriNIC Prefixes per ASN: 13.55
AfriNIC Region origin ASes announcing only one prefix: 153
AfriNIC Region transit ASes present in the Internet Routing Table: 104
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: 27676416
Equivalent to 1 /8s, 166 /16s and 79 /24s
Percentage of available AfriNIC address space announced: 41.2

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 11040 655 Korea Telecom (KIX)
17974 1683 519 33 PT Telekomunikasi Indonesia
7545 1604 303 86 TPG Internet Pty Ltd
4755 1539 638 175 TATA Communications formerly
24560 1178 345 206 Bharti Airtel Ltd., Telemedia
9829 1157 989 28 National Internet Backbone
9583 1086 80 502 Sify Limited
7552 989 1062 11 Vietel Corporation
4808 959 2003 270 CNCGROUP IP network China169
18101 954 165 143 Reliance Infocom Ltd Internet

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 3557 3817 226 BellSouth.net Inc.
18566 1913 365 237 Covad Communications Co.
7029 1861 1033 207 Windstream Communications Inc
1785 1832 681 124 PaeTec Communications, Inc.
4323 1628 1098 392 tw telecom holdings, inc.
20115 1594 1542 635 Charter Communications
22773 1456 2907 100 Cox Communications Inc.
19262 1394 4728 400 Verizon Online LLC
30036 1389 252 665 Mediacom Communications Corp
7018 1352 7085 884 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 1174 352 13 Corbina telecom
34984 576 108 179 BILISIM TELEKOM
6830 556 1873 333 UPC Broadband
9116 540 326 31 Goldenlines main autonomous s
20940 531 178 409 Akamai Technologies European
3320 501 8169 383 Deutsche Telekom AG
3292 480 2082 409 TDC Data Networks
12479 476 593 7 France Telecom Espana SA
8866 458 133 26 Bulgarian Telecommunication C
29049 423 31 55 AzerSat LLC.

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 1681 310 155 Types of queries are: POCs, o
28573 1353 1013 70 Types of queries are: POCs, o
8151 1268 2804 339 Uninet S.A. de C.V.
7303 1164 683 175 Telecom Argentina S.A.
14420 742 58 87 CORPORACION NACIONAL DE TELEC
22047 581 322 17 Types of queries are: POCs, o
27947 564 72 79 Telconet S.A
6503 562 450 69 Axtel, S.A.B. de C.V.
3816 537 232 99 Types of queries are: POCs, o
11172 520 101 94 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
24863 810 147 35 LINKdotNET AS number
8452 664 445 11 TEDATA
15475 449 74 8 Nile Online
36992 292 415 14 Etisalat MISR
3741 276 938 229 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 199 28 59 Vodacom Internet Company
29571 192 17 11 Ci Telecom Autonomous system

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 3557 3817 226 BellSouth.net Inc.
4766 1944 11040 655 Korea Telecom (KIX)
18566 1913 365 237 Covad Communications Co.
7029 1861 1033 207 Windstream Communications Inc
1785 1832 681 124 PaeTec Communications, Inc.
17974 1683 519 33 PT Telekomunikasi Indonesia
10620 1681 310 155 Types of queries are: POCs, o
4323 1628 1098 392 tw telecom holdings, inc.
7545 1604 303 86 TPG Internet Pty Ltd
20115 1594 1542 635 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
1785 1832 1708 PaeTec Communications, Inc.
18566 1913 1676 Covad Communications Co.
7029 1861 1654 Windstream Communications Inc
17974 1683 1650 PT Telekomunikasi Indonesia
10620 1681 1526 Types of queries are: POCs, o
7545 1604 1518 TPG Internet Pty Ltd
4755 1539 1364 TATA Communications formerly
22773 1456 1356 Cox Communications Inc.
4766 1944 1289 Korea Telecom (KIX)
28573 1353 1283 Types of queries are: POCs, o

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

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

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

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

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

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

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 /12:236
/13:463 /14:801 /15:1417 /16:11946 /17:5970 /18:10001
/19:19930 /20:27025 /21:27077 /22:36429 /23:34539 /24:192702
/25:12 /26:20 /27:24 /28:156 /29:125 /30:59
/31:0 /32:127

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

ASN No of nets Total ann. Description
6389 2193 3557 BellSouth.net Inc.
18566 1869 1913 Covad Communications Co.
10620 1576 1681 Types of queries are: POCs, o
7029 1540 1861 Windstream Communications Inc
30036 1350 1389 Mediacom Communications Corp
8402 1135 1174 Corbina telecom
11492 1113 1150 CABLE ONE, INC.
1785 1054 1832 PaeTec Communications, Inc.
7011 1052 1173 Frontier Communications of Am
22773 945 1456 Cox Communications Inc.

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

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

1:381 2:386 4:15 5:1 6:3 8:351
12:1952 13:1 14:523 15:13 16:3 17:7
20:10 23:36 24:1683 27:958 31:564 32:60
33:4 34:2 36:4 38:741 40:108 41:2646
42:48 44:3 46:983 47:3 49:263 50:431
52:13 55:4 56:2 57:37 58:825 59:489
60:362 61:1020 62:1100 63:1927 64:4023 65:2302
66:3980 67:1950 68:1096 69:3196 70:823 71:377
72:1848 74:2462 75:355 76:340 77:882 78:823
79:489 80:1126 81:850 82:508 83:605 84:622
85:1118 86:414 87:882 88:354 89:1588 90:268
91:4149 92:534 93:1326 94:1320 95:932 96:432
97:277 98:906 99:37 101:84 103:331 106:70
107:59 108:47 109:1032 110:631 111:792 112:314
113:429 114:559 115:669 116:863 117:674 118:849
119:1192 120:332 121:666 122:1596 123:1005 124:1293
125:1334 128:206 129:172 130:159 131:576 132:104
133:21 134:204 135:54 136:211 137:136 138:288
139:119 140:474 141:291 142:370 143:411 144:479
145:63 146:465 147:215 148:619 149:263 150:148
151:193 152:444 153:177 154:5 155:385 156:204
157:330 158:150 159:397 160:321 161:196 162:333
163:167 164:507 165:373 166:536 167:434 168:733
169:145 170:865 171:85 172:1 173:1647 174:653
175:415 176:246 177:291 178:1033 180:1086 181:37
182:616 183:211 184:377 185:1 186:1489 187:676
188:924 189:842 190:5150 192:5873 193:5010 194:3528
195:3080 196:1255 197:175 198:3571 199:4098 200:5435
201:1638 202:8286 203:8352 204:4188 205:2337 206:2588
207:2756 208:4032 209:3440 210:2624 211:1456 212:2055
213:1777 214:781 215:85 216:4873 217:1594 218:552
219:327 220:1187 221:498 222:293 223:258

End of report
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