BGP Routing: 2012-04-01

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, April 7, 2012

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 08 Apr, 2012

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: 407898
Prefixes after maximum aggregation: 173264
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196347
Total ASes present in the Internet Routing Table: 40640
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33003
Origin ASes announcing only one prefix: 15477
Transit ASes present in the Internet Routing Table: 5437
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 25
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6146
Unregistered ASNs in the Routing Table: 334
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2200
Prefixes from 32-bit ASNs in the Routing Table: 5384
Special use prefixes present in the Routing Table: 87
Prefixes being announced from unallocated address space: 1430
Number of addresses announced to Internet: 2534208085
Equivalent to 151 /8s, 12 /16s and 242 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171899

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

Prefixes being announced by APNIC Region ASes: 96952
Total APNIC prefixes after maximum aggregation: 31093
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 93441
Unique aggregates announced from the APNIC address blocks: 39325
APNIC Region origin ASes present in the Internet Routing Table: 4665
APNIC Prefixes per ASN: 20.03
APNIC Region origin ASes announcing only one prefix: 1256
APNIC Region transit ASes present in the Internet Routing Table: 734
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: 172
Number of APNIC addresses announced to Internet: 642940160
Equivalent to 38 /8s, 82 /16s and 125 /24s
Percentage of available APNIC address space announced: 81.5

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: 152190
Total ARIN prefixes after maximum aggregation: 78035
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 123283
Unique aggregates announced from the ARIN address blocks: 49995
ARIN Region origin ASes present in the Internet Routing Table: 14962
ARIN Prefixes per ASN: 8.24
ARIN Region origin ASes announcing only one prefix: 5675
ARIN Region transit ASes present in the Internet Routing Table: 1568
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 805883648
Equivalent to 48 /8s, 8 /16s and 207 /24s
Percentage of available ARIN address space announced: 64.0

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: 102943
Total RIPE prefixes after maximum aggregation: 53500
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 93325
Unique aggregates announced from the RIPE address blocks: 57241
RIPE Region origin ASes present in the Internet Routing Table: 16369
RIPE Prefixes per ASN: 5.70
RIPE Region origin ASes announcing only one prefix: 7950
RIPE Region transit ASes present in the Internet Routing Table: 2626
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1488
Number of RIPE addresses announced to Internet: 502476940
Equivalent to 29 /8s, 243 /16s and 48 /24s
Percentage of available RIPE address space announced: 80.9

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: 40918
Total LACNIC prefixes after maximum aggregation: 8215
LACNIC Deaggregation factor: 4.98
Prefixes being announced from the LACNIC address blocks: 40436
Unique aggregates announced from the LACNIC address blocks: 19758
LACNIC Region origin ASes present in the Internet Routing Table: 1568
LACNIC Prefixes per ASN: 25.79
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 298
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 518
Number of LACNIC addresses announced to Internet: 98768904
Equivalent to 5 /8s, 227 /16s and 24 /24s
Percentage of available LACNIC address space announced: 65.4

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: 8962
Total AfriNIC prefixes after maximum aggregation: 2128
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 7017
Unique aggregates announced from the AfriNIC address blocks: 2161
AfriNIC Region origin ASes present in the Internet Routing Table: 525
AfriNIC Prefixes per ASN: 13.37
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31538432
Equivalent to 1 /8s, 225 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 47.0

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 1910 11105 682 Korea Telecom (KIX)
17974 1783 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1652 301 86 TPG Internet Pty Ltd
4755 1575 386 158 Videsh Sanchar Nigam Ltd. Aut
9583 1237 94 541 Sify Limited
9829 1230 1041 30 BSNL National Internet Backbo
7552 1172 1062 11 Vietel Corporation
4808 1081 2024 307 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd.
18101 948 131 159 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 3432 3807 196 bellsouth.net, inc.
7029 3416 1015 166 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1895 680 128 AppliedTheory Corporation
20115 1634 1561 616 Charter Communications
4323 1593 1059 379 Time Warner Telecom
22773 1569 2910 111 Cox Communications, Inc.
30036 1462 265 743 Mediacom Communications Corp
7018 1281 9791 831 AT&T WorldNet Services
11492 1185 216 365 Cable One

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 1746 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
286 1066 853 199 KPNQwest Backbone AS
31148 679 37 9 FreeNet ISP
34984 676 188 173 Tellcom Iletisim Hizmetleri
12479 656 658 57 Uni2 Autonomous System
6830 640 1943 411 UPC Distribution Services
20940 638 206 500 Akamai Technologies European
8551 576 360 81 Bezeq International
9116 541 326 32 Goldenlines main autonomous s

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 1795 327 163 TVCABLE BOGOTA
28573 1772 1105 61 Types of queries are: POCs, o
6503 1538 418 67 AVANTEL, S.A.
8151 1523 2980 338 Uninet S.A. de C.V.
7303 1352 826 188 Telecom Argentina Stet-France
26615 862 697 32 Types of queries are: POCs, o
27947 688 74 102 Telconet S.A
11172 638 107 74 Alestra
22047 584 326 15 Types of queries are: POCs, o
3816 575 242 100 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
8452 1310 958 13 TEDATA
24863 846 274 33 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 YEBO-AS
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 162 666 85 Johnnic e-Ventures
29571 160 15 16 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 3432 3807 196 bellsouth.net, inc.
7029 3416 1015 166 Windstream Communications Inc
18566 2092 383 179 Covad Communications
4766 1910 11105 682 Korea Telecom (KIX)
1785 1895 680 128 AppliedTheory Corporation
10620 1795 327 163 TVCABLE BOGOTA
17974 1783 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1772 1105 61 Types of queries are: POCs, o
8402 1746 544 16 Corbina telecom
7545 1652 301 86 TPG Internet Pty Ltd

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 3416 3250 Windstream Communications Inc
18566 2092 1913 Covad Communications
1785 1895 1767 AppliedTheory Corporation
8402 1746 1730 Corbina telecom
17974 1783 1720 PT TELEKOMUNIKASI INDONESIA
28573 1772 1711 Types of queries are: POCs, o
10620 1795 1632 TVCABLE BOGOTA
7545 1652 1566 TPG Internet Pty Ltd
6503 1538 1471 AVANTEL, S.A.
22773 1569 1458 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
54601 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
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 12.45.103.0/24 209 Qwest

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

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

Prefix Origin AS Description
10.29.245.1/32 286 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
10.29.245.27/32 286 KPNQwest Backbone AS

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

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

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting

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 /8:19 /9:12 /10:28 /11:81 /12:235
/13:459 /14:836 /15:1516 /16:12331 /17:6550 /18:10888
/19:21150 /20:29968 /21:30190 /22:40826 /23:38055 /24:213156
/25:68 /26:76 /27:105 /28:268 /29:100 /30:499
/31:20 /32:462

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

ASN No of nets Total ann. Description
7029 3060 3416 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1723 1746 Corbina telecom
10620 1690 1795 TVCABLE BOGOTA
30036 1402 1462 Mediacom Communications Corp
6503 1295 1538 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1119 1310 TEDATA
1785 1067 1895 AppliedTheory Corporation

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

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

1:536 2:748 4:18 6:3 8:397 12:2001
13:1 14:602 15:12 16:3 17:7 20:8
23:160 24:1776 27:1268 31:996 32:120 33:2
34:2 36:8 37:321 38:792 39:4 40:120
41:3122 42:132 44:3 46:1475 47:3 49:355
50:539 52:12 54:7 55:8 56:3 57:39
58:966 59:495 60:279 61:1211 62:983 63:2014
64:4190 65:2263 66:4524 67:2057 68:1336 69:3284
70:954 71:464 72:1864 73:1 74:2654 75:507
76:326 77:969 78:1008 79:507 80:1215 81:904
82:676 83:550 84:493 85:1201 86:412 87:913
88:354 89:1645 90:297 91:4700 92:522 93:1367
94:1485 95:1144 96:382 97:318 98:886 99:37
100:6 101:171 103:956 106:74 107:181 108:222
109:1292 110:764 111:903 112:449 113:591 114:627
115:797 116:916 117:721 118:916 119:1209 120:345
121:720 122:1669 123:1109 124:1372 125:1256 128:558
129:193 130:259 131:597 132:173 133:21 134:245
135:62 136:213 137:176 138:354 139:157 140:490
141:244 142:387 143:399 144:512 145:64 146:482
147:285 148:799 149:299 150:159 151:176 152:462
153:172 154:7 155:445 156:216 157:381 158:175
159:522 160:342 161:255 162:347 163:189 164:572
165:407 166:562 167:464 168:820 169:128 170:844
171:126 172:4 173:1755 174:581 175:441 176:461
177:637 178:1320 180:1207 181:73 182:792 183:285
184:451 185:1 186:2136 187:1029 188:1182 189:1791
190:5476 192:6018 193:5624 194:4644 195:3643 196:1295
197:127 198:3646 199:4484 200:5802 201:1904 202:8489
203:8622 204:4346 205:2485 206:2772 207:2818 208:4073
209:3614 210:2768 211:1488 212:2044 213:1915 214:884
215:106 216:5095 217:1531 218:545 219:337 220:1234
221:555 222:329 223:331

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 08 Apr, 2012

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

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

BGP routing table entries examined: 397692
Prefixes after maximum aggregation: 169885
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 196261
Total ASes present in the Internet Routing Table: 38269
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 32996
Origin ASes announcing only one prefix: 15472
Transit ASes present in the Internet Routing Table: 5273
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: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1482
Unregistered ASNs in the Routing Table: 389
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 5327
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 1416
Number of addresses announced to Internet: 2551373312
Equivalent to 152 /8s, 18 /16s and 222 /24s
Percentage of available address space announced: 68.8
Percentage of allocated address space announced: 68.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 167605

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

Prefixes being announced by APNIC Region ASes: 93299
Total APNIC prefixes after maximum aggregation: 30774
APNIC Deaggregation factor: 3.03
Prefixes being announced from the APNIC address blocks: 90700
Unique aggregates announced from the APNIC address blocks: 39405
APNIC Region origin ASes present in the Internet Routing Table: 4628
APNIC Prefixes per ASN: 19.60
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 700
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 642787840
Equivalent to 38 /8s, 80 /16s and 42 /24s
Percentage of available APNIC address space announced: 81.5

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

Prefixes being announced by ARIN Region ASes: 148142
Total ARIN prefixes after maximum aggregation: 75341
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 119715
Unique aggregates announced from the ARIN address blocks: 49956
ARIN Region origin ASes present in the Internet Routing Table: 14886
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5676
ARIN Region transit ASes present in the Internet Routing Table: 1506
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 805825024
Equivalent to 48 /8s, 7 /16s and 234 /24s
Percentage of available ARIN address space announced: 64.0

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

Prefixes being announced by RIPE Region ASes: 101200
Total RIPE prefixes after maximum aggregation: 53258
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 92459
Unique aggregates announced from the RIPE address blocks: 57239
RIPE Region origin ASes present in the Internet Routing Table: 16334
RIPE Prefixes per ASN: 5.66
RIPE Region origin ASes announcing only one prefix: 7943
RIPE Region transit ASes present in the Internet Routing Table: 2593
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: 502332416
Equivalent to 29 /8s, 240 /16s and 252 /24s
Percentage of available RIPE address space announced: 80.9

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

Prefixes being announced by LACNIC Region ASes: 39716
Total LACNIC prefixes after maximum aggregation: 8108
LACNIC Deaggregation factor: 4.90
Prefixes being announced from the LACNIC address blocks: 39455
Unique aggregates announced from the LACNIC address blocks: 19811
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 25.31
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 98717952
Equivalent to 5 /8s, 226 /16s and 81 /24s
Percentage of available LACNIC address space announced: 65.4

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: 8914
Total AfriNIC prefixes after maximum aggregation: 2114
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 6990
Unique aggregates announced from the AfriNIC address blocks: 2159
AfriNIC Region origin ASes present in the Internet Routing Table: 523
AfriNIC Prefixes per ASN: 13.37
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 114
Average AfriNIC Region AS path length visible: 3.5
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: 31526144
Equivalent to 1 /8s, 225 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 47.0

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 1912 11107 684 Korea Telecom (KIX)
17974 1701 503 63 PT Telekomunikasi Indonesia
7545 1652 301 86 TPG Internet Pty Ltd
4755 1554 385 156 TATA Communications formerly
9583 1234 94 539 Sify Limited
9829 1230 1041 30 National Internet Backbone
7552 1106 1062 11 Vietel Corporation
24560 1019 385 167 Bharti Airtel Ltd., Telemedia
4808 989 1947 284 CNCGROUP IP network China169
18101 948 131 159 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 3433 3807 197 BellSouth.net Inc.
7029 3418 1016 169 Windstream Communications Inc
18566 2093 383 179 Covad Communications Co.
1785 1895 680 128 PaeTec Communications, Inc.
20115 1637 1561 617 Charter Communications
4323 1594 1059 380 tw telecom holdings, inc.
22773 1568 2910 111 Cox Communications Inc.
30036 1461 265 742 Mediacom Communications Corp
7018 1286 9807 836 AT&T Services, Inc.
11492 1185 216 365 CABLE ONE, 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 1689 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 676 188 173 BILISIM TELEKOM
12479 652 658 57 France Telecom Espana SA
6830 640 1943 411 UPC Broadband
20940 633 205 498 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
3320 533 8442 399 Deutsche Telekom AG
8551 506 360 81 Bezeq International

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 1795 327 163 Types of queries are: POCs, o
28573 1772 1105 61 Types of queries are: POCs, o
6503 1517 418 66 Axtel, S.A.B. de C.V.
7303 1352 826 188 Telecom Argentina S.A.
8151 1344 2979 348 Uninet S.A. de C.V.
26615 866 697 32 Tim Celular S.A.
27947 662 74 99 Telconet S.A
11172 638 107 74 Alestra, S. de R.L. de C.V.
22047 584 326 15 Types of queries are: POCs, o
3816 573 242 100 Types of queries are: POCs, o

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 1310 958 13 TEDATA
24863 845 274 32 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 162 666 85 MTN Network Solutions
29571 160 15 16 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 3433 3807 197 BellSouth.net Inc.
7029 3418 1016 169 Windstream Communications Inc
18566 2093 383 179 Covad Communications Co.
4766 1912 11107 684 Korea Telecom (KIX)
1785 1895 680 128 PaeTec Communications, Inc.
10620 1795 327 163 Types of queries are: POCs, o
28573 1772 1105 61 Types of queries are: POCs, o
17974 1701 503 63 PT Telekomunikasi Indonesia
8402 1689 544 16 Corbina telecom
7545 1652 301 86 TPG Internet Pty Ltd

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 3418 3249 Windstream Communications Inc
18566 2093 1914 Covad Communications Co.
1785 1895 1767 PaeTec Communications, Inc.
28573 1772 1711 Types of queries are: POCs, o
8402 1689 1673 Corbina telecom
17974 1701 1638 PT Telekomunikasi Indonesia
10620 1795 1632 Types of queries are: POCs, o
7545 1652 1566 TPG Internet Pty Ltd
22773 1568 1457 Cox Communications Inc.
6503 1517 1451 Axtel, S.A.B. de C.V.

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

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

Bad AS Designation Network Transit AS Description
54601 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
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.

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

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 /10:28 /11:81 /12:236
/13:459 /14:828 /15:1477 /16:12130 /17:6251 /18:10400
/19:20601 /20:28645 /21:29466 /22:39928 /23:37252 /24:209333
/25:11 /26:20 /27:20 /28:152 /29:140 /30:68
/31:0 /32:134

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

ASN No of nets Total ann. Description
7029 3060 3418 Windstream Communications Inc
6389 2149 3433 BellSouth.net Inc.
18566 2042 2093 Covad Communications Co.
10620 1690 1795 Types of queries are: POCs, o
8402 1666 1689 Corbina telecom
30036 1401 1461 Mediacom Communications Corp
6503 1277 1517 Axtel, S.A.B. de C.V.
11492 1148 1185 CABLE ONE, INC.
8452 1119 1310 TEDATA
1785 1067 1895 PaeTec Communications, Inc.

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

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

1:530 2:709 4:14 6:3 8:395 12:1997
13:1 14:592 15:12 16:3 17:7 20:8
23:158 24:1763 27:1263 31:965 32:53 33:2
34:2 36:8 37:319 38:784 40:120 41:3123
42:131 44:3 46:1464 47:3 49:347 50:537
52:12 54:7 55:8 56:3 57:28 58:915
59:486 60:276 61:1083 62:954 63:1992 64:4139
65:2258 66:4479 67:2020 68:1148 69:3163 70:907
71:468 72:1831 74:2600 75:494 76:314 77:964
78:989 79:493 80:1210 81:898 82:668 83:547
84:490 85:1187 86:412 87:911 88:351 89:1637
90:297 91:4673 92:520 93:1364 94:1478 95:1132
96:374 97:318 98:886 99:37 100:6 101:162
103:936 106:73 107:181 108:201 109:1288 110:738
111:901 112:436 113:574 114:615 115:789 116:884
117:702 118:902 119:1178 120:340 121:673 122:1628
123:1101 124:1300 125:1252 128:520 129:184 130:251
131:593 132:165 133:21 134:233 135:62 136:211
137:173 138:354 139:143 140:468 141:243 142:368
143:394 144:509 145:64 146:476 147:274 148:745
149:298 150:152 151:176 152:460 153:172 154:6
155:445 156:213 157:335 158:175 159:450 160:341
161:231 162:344 163:179 164:567 165:389 166:561
167:464 168:814 169:126 170:843 171:126 172:4
173:1737 174:580 175:417 176:462 177:637 178:1318
180:1170 181:73 182:764 183:277 184:449 185:1
186:2138 187:1026 188:1182 189:1781 190:5450 192:5950
193:5596 194:4591 195:3597 196:1266 197:127 198:3579
199:4431 200:5699 201:1898 202:8212 203:8490 204:4263
205:2461 206:2655 207:2713 208:4044 209:3564 210:2667
211:1451 212:2007 213:1905 214:882 215:107 216:5057
217:1525 218:527 219:319 220:1223 221:536 222:293
223:317

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 08 Apr, 2012

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

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

BGP routing table entries examined: 404538
Prefixes after maximum aggregation: 171951
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196265
Total ASes present in the Internet Routing Table: 40618
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 32994
Origin ASes announcing only one prefix: 15456
Transit ASes present in the Internet Routing Table: 5436
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 57
Max AS path prepend of ASN ( 9902) 46
Prefixes from unregistered ASNs in the Routing Table: 677
Unregistered ASNs in the Routing Table: 298
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2188
Prefixes from 32-bit ASNs in the Routing Table: 5369
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1417
Number of addresses announced to Internet: 2533651536
Equivalent to 151 /8s, 4 /16s and 116 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171869

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

Prefixes being announced by APNIC Region ASes: 99057
Total APNIC prefixes after maximum aggregation: 32157
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 95465
Unique aggregates announced from the APNIC address blocks: 39356
APNIC Region origin ASes present in the Internet Routing Table: 4678
APNIC Prefixes per ASN: 20.41
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 172
Number of APNIC addresses announced to Internet: 642929248
Equivalent to 38 /8s, 82 /16s and 82 /24s
Percentage of available APNIC address space announced: 81.5

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

Prefixes being announced by ARIN Region ASes: 149365
Total ARIN prefixes after maximum aggregation: 75834
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120692
Unique aggregates announced from the ARIN address blocks: 49992
ARIN Region origin ASes present in the Internet Routing Table: 14948
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5681
ARIN Region transit ASes present in the Internet Routing Table: 1572
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 805801408
Equivalent to 48 /8s, 7 /16s and 141 /24s
Percentage of available ARIN address space announced: 64.0

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

Prefixes being announced by RIPE Region ASes: 100955
Total RIPE prefixes after maximum aggregation: 53346
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 92166
Unique aggregates announced from the RIPE address blocks: 57214
RIPE Region origin ASes present in the Internet Routing Table: 16359
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 7946
RIPE Region transit ASes present in the Internet Routing Table: 2632
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1478
Number of RIPE addresses announced to Internet: 502342408
Equivalent to 29 /8s, 241 /16s and 35 /24s
Percentage of available RIPE address space announced: 80.9

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

Prefixes being announced by LACNIC Region ASes: 40370
Total LACNIC prefixes after maximum aggregation: 8207
LACNIC Deaggregation factor: 4.92
Prefixes being announced from the LACNIC address blocks: 39944
Unique aggregates announced from the LACNIC address blocks: 19781
LACNIC Region origin ASes present in the Internet Routing Table: 1568
LACNIC Prefixes per ASN: 25.47
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 516
Number of LACNIC addresses announced to Internet: 98747528
Equivalent to 5 /8s, 226 /16s and 196 /24s
Percentage of available LACNIC address space announced: 65.4

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: 8950
Total AfriNIC prefixes after maximum aggregation: 2115
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7003
Unique aggregates announced from the AfriNIC address blocks: 2163
AfriNIC Region origin ASes present in the Internet Routing Table: 523
AfriNIC Prefixes per ASN: 13.39
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 5
Number of AfriNIC addresses announced to Internet: 31530240
Equivalent to 1 /8s, 225 /16s and 29 /24s
Percentage of available AfriNIC address space announced: 47.0

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 2475 11110 997 Korea Telecom (KIX)
17974 1781 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1658 301 85 TPG Internet Pty Ltd
4755 1576 386 158 TATA Communications formerly
9583 1237 94 541 Sify Limited
9829 1234 1041 30 BSNL National Internet Backbo
7552 1172 1062 11 Vietel Corporation
4808 1105 2050 316 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 159 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 3432 3807 196 bellsouth.net, inc.
7029 3382 985 157 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
20115 1633 1561 616 Charter Communications
4323 1598 1044 380 Time Warner Telecom
22773 1569 2910 111 Cox Communications, Inc.
30036 1462 265 743 Mediacom Communications Corp
7018 1278 9774 828 AT&T WorldNet Services
11492 1185 216 365 Cable One

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 1766 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 676 188 173 BILISIM TELEKOM
12479 656 658 57 Uni2 Autonomous System
20940 650 206 500 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 574 360 81 Bezeq International
3320 533 8442 399 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia

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 1795 327 163 TVCABLE BOGOTA
28573 1773 1105 61 NET Servicos de Comunicao S.A
6503 1527 418 65 AVANTEL, S.A.
8151 1480 2996 357 UniNet S.A. de C.V.
7303 1352 826 188 Telecom Argentina Stet-France
26615 846 697 32 Tim Brasil S.A.
27947 685 74 99 Telconet S.A
11172 637 107 74 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 570 242 100 Empresa Nacional de Telecomun

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 1310 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 165 666 83 MTN Network Solutions
29571 160 15 16 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 3432 3807 196 bellsouth.net, inc.
7029 3382 985 157 Windstream Communications Inc
4766 2475 11110 997 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
10620 1795 327 163 TVCABLE BOGOTA
17974 1781 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1773 1105 61 NET Servicos de Comunicao S.A
8402 1766 544 16 Corbina telecom
7545 1658 301 85 TPG Internet Pty Ltd

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 3382 3225 Windstream Communications Inc
18566 2092 1913 Covad Communications
1785 1893 1764 PaeTec Communications, Inc.
8402 1766 1750 Corbina telecom
17974 1781 1718 PT TELEKOMUNIKASI INDONESIA
28573 1773 1712 NET Servicos de Comunicao S.A
10620 1795 1632 TVCABLE BOGOTA
7545 1658 1573 TPG Internet Pty Ltd
4766 2475 1478 Korea Telecom (KIX)
6503 1527 1462 AVANTEL, S.A.

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

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

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

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 /10:28 /11:81 /12:235
/13:459 /14:830 /15:1480 /16:12178 /17:6282 /18:10504
/19:20611 /20:28817 /21:29790 /22:40445 /23:37583 /24:211541
/25:1179 /26:1423 /27:784 /28:162 /29:59 /30:17
/31:0 /32:19

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

ASN No of nets Total ann. Description
7029 3042 3382 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1743 1766 Corbina telecom
10620 1690 1795 TVCABLE BOGOTA
30036 1402 1462 Mediacom Communications Corp
6503 1286 1527 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1119 1310 TEDATA
1785 1067 1893 PaeTec Communications, Inc.

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

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

1:532 2:753 4:14 6:3 8:396 12:1998
13:1 14:598 15:12 16:3 17:7 20:8
23:160 24:1768 27:1268 31:967 32:58 33:2
34:2 36:8 37:319 38:790 40:120 41:3123
42:131 44:3 46:1462 47:3 49:350 50:536
52:12 54:7 55:8 56:3 57:31 58:963
59:494 60:280 61:1200 62:972 63:1997 64:4163
65:2262 66:4492 67:2020 68:1149 69:3164 70:908
71:464 72:1831 74:2601 75:494 76:314 77:968
78:1006 79:497 80:1210 81:898 82:663 83:548
84:491 85:1196 86:404 87:908 88:351 89:1631
90:297 91:4685 92:520 93:1365 94:1477 95:1143
96:379 97:318 98:885 99:37 100:6 101:167
103:960 106:74 107:181 108:220 109:1290 110:756
111:903 112:448 113:590 114:622 115:797 116:910
117:721 118:903 119:1207 120:342 121:695 122:1668
123:1104 124:1367 125:1257 128:559 129:190 130:257
131:596 132:173 133:21 134:243 135:62 136:213
137:176 138:354 139:145 140:488 141:244 142:386
143:398 144:512 145:64 146:481 147:275 148:765
149:299 150:159 151:176 152:462 153:172 154:7
155:428 156:216 157:379 158:175 159:522 160:342
161:254 162:347 163:189 164:572 165:388 166:562
167:464 168:819 169:127 170:843 171:126 172:4
173:1737 174:580 175:429 176:459 177:645 178:1318
180:1180 181:73 182:787 183:285 184:449 185:1
186:2120 187:1028 188:1183 189:1791 190:5460 192:5986
193:5601 194:4616 195:3597 196:1290 197:127 198:3626
199:4480 200:5788 201:1901 202:8482 203:8589 204:4342
205:2481 206:2746 207:2783 208:4054 209:3586 210:2747
211:1476 212:1993 213:1904 214:883 215:109 216:5085
217:1522 218:542 219:323 220:1227 221:554 222:322
223:331

End of report
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Friday, April 6, 2012

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 07 Apr, 2012

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: 407960
Prefixes after maximum aggregation: 173309
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196266
Total ASes present in the Internet Routing Table: 40653
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 32997
Origin ASes announcing only one prefix: 15487
Transit ASes present in the Internet Routing Table: 5455
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (19202) 25
Prefixes from unregistered ASNs in the Routing Table: 6109
Unregistered ASNs in the Routing Table: 312
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2201
Prefixes from 32-bit ASNs in the Routing Table: 5393
Special use prefixes present in the Routing Table: 87
Prefixes being announced from unallocated address space: 1423
Number of addresses announced to Internet: 2534254165
Equivalent to 151 /8s, 13 /16s and 166 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171969

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

Prefixes being announced by APNIC Region ASes: 96949
Total APNIC prefixes after maximum aggregation: 31073
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 93433
Unique aggregates announced from the APNIC address blocks: 39250
APNIC Region origin ASes present in the Internet Routing Table: 4667
APNIC Prefixes per ASN: 20.02
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 745
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 642954752
Equivalent to 38 /8s, 82 /16s and 182 /24s
Percentage of available APNIC address space announced: 81.5

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

Prefixes being announced by ARIN Region ASes: 152244
Total ARIN prefixes after maximum aggregation: 78080
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 123332
Unique aggregates announced from the ARIN address blocks: 50015
ARIN Region origin ASes present in the Internet Routing Table: 14965
ARIN Prefixes per ASN: 8.24
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1572
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 805906432
Equivalent to 48 /8s, 9 /16s and 40 /24s
Percentage of available ARIN address space announced: 64.0

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

Prefixes being announced by RIPE Region ASes: 102973
Total RIPE prefixes after maximum aggregation: 53528
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 93308
Unique aggregates announced from the RIPE address blocks: 57234
RIPE Region origin ASes present in the Internet Routing Table: 16374
RIPE Prefixes per ASN: 5.70
RIPE Region origin ASes announcing only one prefix: 7951
RIPE Region transit ASes present in the Internet Routing Table: 2635
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1489
Number of RIPE addresses announced to Internet: 502402700
Equivalent to 29 /8s, 242 /16s and 14 /24s
Percentage of available RIPE address space announced: 80.9

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

Prefixes being announced by LACNIC Region ASes: 40933
Total LACNIC prefixes after maximum aggregation: 8209
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 40456
Unique aggregates announced from the LACNIC address blocks: 19744
LACNIC Region origin ASes present in the Internet Routing Table: 1568
LACNIC Prefixes per ASN: 25.80
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 517
Number of LACNIC addresses announced to Internet: 98735624
Equivalent to 5 /8s, 226 /16s and 150 /24s
Percentage of available LACNIC address space announced: 65.4

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: 8965
Total AfriNIC prefixes after maximum aggregation: 2136
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 7015
Unique aggregates announced from the AfriNIC address blocks: 2159
AfriNIC Region origin ASes present in the Internet Routing Table: 528
AfriNIC Prefixes per ASN: 13.29
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31539200
Equivalent to 1 /8s, 225 /16s and 64 /24s
Percentage of available AfriNIC address space announced: 47.0

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 1911 11105 682 Korea Telecom (KIX)
17974 1784 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1651 301 85 TPG Internet Pty Ltd
4755 1575 386 157 Videsh Sanchar Nigam Ltd. Aut
9583 1237 94 541 Sify Limited
9829 1235 1041 30 BSNL National Internet Backbo
7552 1172 1062 11 Vietel Corporation
4808 1074 2011 305 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd.
18101 948 131 159 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 3432 3807 196 bellsouth.net, inc.
7029 3412 1015 166 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1893 680 128 AppliedTheory Corporation
20115 1637 1561 617 Charter Communications
4323 1590 1059 379 Time Warner Telecom
22773 1568 2910 111 Cox Communications, Inc.
30036 1461 265 742 Mediacom Communications Corp
7018 1285 13887 833 AT&T WorldNet Services
11492 1185 216 365 Cable One

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 1753 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
286 1066 853 199 KPNQwest Backbone AS
31148 679 37 9 FreeNet ISP
34984 676 188 173 Tellcom Iletisim Hizmetleri
12479 656 658 57 Uni2 Autonomous System
6830 640 1943 411 UPC Distribution Services
20940 639 206 500 Akamai Technologies European
8551 599 360 81 Bezeq International
9116 541 326 32 Goldenlines main autonomous s

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 1795 327 163 TVCABLE BOGOTA
28573 1767 1105 61 Types of queries are: POCs, o
6503 1542 418 66 AVANTEL, S.A.
8151 1525 2980 336 Uninet S.A. de C.V.
7303 1353 827 189 Telecom Argentina Stet-France
26615 887 697 32 Types of queries are: POCs, o
27947 687 74 102 Telconet S.A
11172 638 107 74 Alestra
22047 584 326 15 Types of queries are: POCs, o
3816 575 242 100 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
8452 1305 958 13 TEDATA
24863 846 274 33 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 206 12 24 Starcomms Nigeria Limited
12258 197 28 62 YEBO-AS
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 162 666 85 Johnnic e-Ventures
29571 161 15 16 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 3432 3807 196 bellsouth.net, inc.
7029 3412 1015 166 Windstream Communications Inc
18566 2092 383 179 Covad Communications
4766 1911 11105 682 Korea Telecom (KIX)
1785 1893 680 128 AppliedTheory Corporation
10620 1795 327 163 TVCABLE BOGOTA
17974 1784 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1767 1105 61 Types of queries are: POCs, o
8402 1753 544 16 Corbina telecom
7545 1651 301 85 TPG Internet Pty Ltd

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 3412 3246 Windstream Communications Inc
18566 2092 1913 Covad Communications
1785 1893 1765 AppliedTheory Corporation
8402 1753 1737 Corbina telecom
17974 1784 1721 PT TELEKOMUNIKASI INDONESIA
28573 1767 1706 Types of queries are: POCs, o
10620 1795 1632 TVCABLE BOGOTA
7545 1651 1566 TPG Internet Pty Ltd
6503 1542 1476 AVANTEL, S.A.
22773 1568 1457 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
23456 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
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 12.45.103.0/24 209 Qwest

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

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 /8:19 /9:12 /10:28 /11:81 /12:235
/13:459 /14:837 /15:1517 /16:12334 /17:6551 /18:10883
/19:21145 /20:29976 /21:30200 /22:40821 /23:38070 /24:213192
/25:68 /26:76 /27:105 /28:270 /29:100 /30:499
/31:20 /32:462

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

ASN No of nets Total ann. Description
7029 3056 3412 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1730 1753 Corbina telecom
10620 1690 1795 TVCABLE BOGOTA
30036 1401 1461 Mediacom Communications Corp
6503 1299 1542 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1114 1305 TEDATA
1785 1065 1893 AppliedTheory Corporation

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

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

1:538 2:746 4:18 6:3 8:397 12:2002
13:1 14:603 15:12 16:3 17:7 20:8
23:160 24:1776 27:1267 31:994 32:120 33:2
34:2 36:8 37:321 38:788 39:4 40:120
41:3115 42:133 44:3 46:1473 47:3 49:355
50:539 52:13 54:7 55:9 56:3 57:39
58:963 59:494 60:279 61:1214 62:983 63:2013
64:4191 65:2261 66:4528 67:2056 68:1336 69:3289
70:954 71:467 72:1863 73:1 74:2652 75:507
76:325 77:969 78:1007 79:507 80:1215 81:905
82:675 83:550 84:491 85:1200 86:412 87:913
88:354 89:1648 90:297 91:4698 92:522 93:1377
94:1484 95:1139 96:381 97:318 98:881 99:37
100:6 101:167 103:955 106:73 107:181 108:231
109:1275 110:765 111:900 112:449 113:590 114:626
115:796 116:916 117:721 118:916 119:1210 120:344
121:719 122:1668 123:1109 124:1373 125:1258 128:559
129:193 130:259 131:597 132:173 133:21 134:245
135:63 136:207 137:176 138:354 139:156 140:494
141:244 142:387 143:399 144:512 145:64 146:482
147:282 148:800 149:299 150:159 151:176 152:462
153:172 154:7 155:445 156:216 157:381 158:175
159:522 160:342 161:256 162:347 163:189 164:572
165:407 166:562 167:464 168:821 169:148 170:844
171:126 172:4 173:1755 174:577 175:441 176:461
177:647 178:1319 180:1204 181:73 182:791 183:284
184:453 185:1 186:2158 187:1041 188:1183 189:1792
190:5466 192:6017 193:5629 194:4646 195:3646 196:1296
197:129 198:3647 199:4487 200:5793 201:1902 202:8489
203:8613 204:4347 205:2484 206:2776 207:2823 208:4089
209:3609 210:2770 211:1488 212:2044 213:1915 214:884
215:109 216:5095 217:1528 218:545 219:337 220:1235
221:555 222:329 223:331

End of report
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