Routing Table Report 04:00 +10GMT Wed 30 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123533 Prefixes after maximum aggregation: 15625 Unique aggregates announced to Internet: 241 Total ASes present in the Internet Routing Table: 15496 Origin-only ASes present in the Internet Routing Table: 13416 Origin ASes announcing only one prefix: 6129 Transit ASes present in the Internet Routing Table: 2080 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 36 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 624801 Equivalent to 0 /8s, 9 /16s and 136 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 119 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21909 Total APNIC prefixes after maximum aggregation: 2009 Prefixes being announced from the APNIC address blocks: 123399 Unique aggregates announced from the APNIC address blocks: 201 APNIC Region origin ASes present in the Internet Routing Table: 1849 APNIC Region origin ASes announcing only one prefix: 539 APNIC Region transit ASes present in the Internet Routing Table: 303 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 435361 Equivalent to 0 /8s, 6 /16s and 164 /24s Percentage of available APNIC address space announced: 0.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74365 Total ARIN prefixes after maximum aggregation: 8517 Prefixes being announced from the ARIN address blocks: 36 Unique aggregates announced from the ARIN address blocks: 17 ARIN Region origin ASes present in the Internet Routing Table: 8505 ARIN Region origin ASes announcing only one prefix: 2910 ARIN Region transit ASes present in the Internet Routing Table: 831 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 15104 Equivalent to 0 /8s, 0 /16s and 59 /24s Percentage of available ARIN address space announced: 0.0 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 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, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 22033 Total RIPE prefixes after maximum aggregation: 4760 Prefixes being announced from the RIPE address blocks: 43 Unique aggregates announced from the RIPE address blocks: 23 RIPE Region origin ASes present in the Internet Routing Table: 4733 RIPE Region origin ASes announcing only one prefix: 2585 RIPE Region transit ASes present in the Internet Routing Table: 851 Average RIPE Region AS path length visible: 7.3 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 174336 Equivalent to 0 /8s, 2 /16s and 169 /24s Percentage of available RIPE address space announced: 0.1 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5215 Total LACNIC prefixes after maximum aggregation: 339 Prefixes being announced from the LACNIC address blocks: 3 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 339 LACNIC Region origin ASes announcing only one prefix: 95 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 Number of LACNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available LACNIC address space announced: 0.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1154 0 1 Telstra Pty Ltd 4755 427 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 373 0 1 SINET Japan 2764 340 1 20 connect.com.au pty ltd 17557 332 0 1 Pakistan Telecom 703 331 0 2 UUNET 7474 318 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 238 0 1 DACOM Corporation 9583 236 0 1 Satyam Infoway Ltd., 4134 225 0 1 Data Communications Bureau 4766 218 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 166 0 1 China Education and Research 9498 157 0 1 BHARTI BT INTERNET LTD. 9929 151 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 139 0 1 TATA ISP 4716 132 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1479 0 1 UUNET Technologies, Inc. 7018 1350 0 1 AT&T 1239 970 0 1 Sprint 3908 894 0 1 Supernet, Inc. 7132 840 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 603 0 1 Adelphia Corp. 6197 557 0 1 BellSouth Network Solutions, 209 525 0 1 Qwest 852 522 0 1 Telus Advanced Communications 6198 489 0 1 BellSouth Network Solutions, 705 479 0 1 UUNET Technologies, Inc. 20115 470 0 1 Charter Communications 690 435 0 1 Merit Network 3356 420 0 1 Level 3 Communications, LLC 4355 400 0 1 EarthLink, Inc. 2386 398 0 1 AT&T Data Communications Serv 1 364 0 1 GENUITY 6347 358 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1009 0 1 UUNET - Commercial IP service 3301 292 0 1 TeliaNet Sweden 3320 260 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 8220 232 0 1 COLT Internet - International 1257 226 0 1 SWIPnet Swedish IP Network 3215 215 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 172 0 1 BT Ignite European Backbone 8708 153 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 111 0 1 Ibernet, Internet Access Netw 5511 99 0 1 France Telecom 6746 90 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 220 0 1 UniNet S.A. de C.V. 11172 178 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 121 0 1 TVCABLE BOGOTA 6147 93 0 1 Telefonica Del Peru 11992 89 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 13999 67 0 1 Mega Cable S.A. de C.V. 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 7984 60 0 1 Global One Colombia 11562 58 0 1 Net-Uno, C.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1350 1349 AT&T 1221 1154 1153 Telstra Pty Ltd 702 1009 1008 UUNET - Commercial IP service 1239 970 969 Sprint 3908 894 893 Supernet, Inc. 7132 840 839 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 603 602 Adelphia Corp. 6197 557 556 BellSouth Network Solutions, 209 525 524 Qwest 852 522 521 Telus Advanced Communications 6198 489 488 BellSouth Network Solutions, 705 479 478 UUNET Technologies, Inc. 20115 470 469 Charter Communications 690 435 434 Merit Network 3356 420 419 Level 3 Communications, LLC 4355 400 399 EarthLink, Inc. 2386 398 397 AT&T Data Communications Serv 2907 373 372 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:40 /17:9 /18:17 /19:30 /20:9 /21:18 /22:24 /23:18 /24:123342 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 340 connect.com.au pty ltd 2914 18 303 Verio, Inc. 4755 17 427 Videsh Sanchar Nigam Ltd. Aut 6316 8 39 StarNet, Inc. 8233 8 14 TeliaNet UK 7474 5 318 Optus Communications Pty Ltd 15975 4 10 Palnet Communications Ltd. AS 29869 4 4 U.S. Department of Labor - Em 13768 3 103 Peer 1 Network Inc. 15811 3 3 Hally Computers Autonomous Sy 1299 2 18 TeliaNet Global Network 2050 2 18 Sprint Enterprise Information 9939 2 13 AS for Anlai 11069 2 7 Internet Exchange, Inc. 14545 2 2 MACI.Net 15821 2 2 JV "Astral-Kiev" Autonomous S 20770 2 3 Kiev UA 27468 2 2 Goodwill Industries of Orange 2614 1 27 Romanian Education Network 4805 1 15 Equant (formerly Global One) Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 65:1 67:4 80:1 192:2 193:2 195:8 198:1 200:2 202:46 203:57695 206:1 207:1 208:1 209:2 210:4 213:1 216:2 217:4 219:8 End of report