Routing Table Report 04:00 +10GMT Sat 20 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124602 Prefixes after maximum aggregation: 15886 Unique aggregates announced to Internet: 271 Total ASes present in the Internet Routing Table: 15737 Origin-only ASes present in the Internet Routing Table: 13612 Origin ASes announcing only one prefix: 6242 Transit ASes present in the Internet Routing Table: 2125 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 27 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 749745 Equivalent to 0 /8s, 11 /16s and 112 /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: 794 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22370 Total APNIC prefixes after maximum aggregation: 2069 Prefixes being announced from the APNIC address blocks: 123850 Unique aggregates announced from the APNIC address blocks: 236 APNIC Region origin ASes present in the Internet Routing Table: 1882 APNIC Region origin ASes announcing only one prefix: 555 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 601521 Equivalent to 0 /8s, 9 /16s and 45 /24s Percentage of available APNIC address space announced: 0.3 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: 74607 Total ARIN prefixes after maximum aggregation: 8616 Prefixes being announced from the ARIN address blocks: 725 Unique aggregates announced from the ARIN address blocks: 29 ARIN Region origin ASes present in the Internet Routing Table: 8584 ARIN Region origin ASes announcing only one prefix: 2969 ARIN Region transit ASes present in the Internet Routing Table: 847 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 49920 Equivalent to 0 /8s, 0 /16s and 195 /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: 22357 Total RIPE prefixes after maximum aggregation: 4858 Prefixes being announced from the RIPE address blocks: 11 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4853 RIPE Region origin ASes announcing only one prefix: 2619 RIPE Region transit ASes present in the Internet Routing Table: 862 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5256 Total LACNIC prefixes after maximum aggregation: 343 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 343 LACNIC Region origin ASes announcing only one prefix: 99 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 23 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 1137 0 1 Telstra Pty Ltd 4755 375 11 74 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 703 335 0 2 UUNET 7474 333 0 2 Optus Communications Pty Ltd 2764 324 1 20 connect.com.au pty ltd 4134 324 0 1 Data Communications Bureau 17557 288 0 1 Pakistan Telecom 17676 262 0 1 XTAGE CORPORATION 9583 251 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9498 187 0 1 BHARTI BT INTERNET LTD. 9443 184 0 3 Primus Telecommunications 9942 176 8 31 COMindico Australia 4538 170 0 1 China Education and Research 9929 161 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 4837 140 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1453 0 1 UUNET Technologies, Inc. 7018 1399 0 1 AT&T 3908 909 0 1 Supernet, Inc. 1239 908 0 1 Sprint 18566 687 0 1 Covad Communications 4323 663 0 1 Time Warner Communications, I 6197 613 0 1 BellSouth Network Solutions, 3356 527 0 1 Level 3 Communications, LLC 852 516 0 1 Telus Advanced Communications 209 507 0 1 Qwest 6198 493 0 1 BellSouth Network Solutions, 20115 470 0 1 Charter Communications 7843 465 0 1 Adelphia Corp. 705 414 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 392 0 1 EarthLink, Inc. 2386 371 0 1 AT&T Data Communications Serv 6347 353 0 1 SAVVIS Communications Corpora 3549 343 0 1 Global Crossing 7132 339 0 1 Southwestern Bell Internet Se RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 711 0 1 UUNET - Commercial IP service 3301 295 0 1 TeliaNet Sweden 3320 268 0 1 Deutsche Telekom AG 8220 257 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 5515 186 0 1 Sonera Solution Autonomous Sy 3215 183 0 1 France Telecom Transpac 5400 181 0 1 BT Ignite European Backbone 786 176 0 1 The JANET IP Service 719 169 0 1 LANLINK autonomous system 8708 155 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 3246 126 0 1 Song Networks 12302 126 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 20858 115 0 1 This AS will be used to conne 2856 112 0 1 BTnet UK Regional network 25186 104 0 1 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 0 1 ImpSat 8151 233 0 1 UniNet S.A. de C.V. 7303 229 0 1 Telecom Argentina Stet-France 11172 189 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 10620 127 0 1 TVCABLE BOGOTA 6503 122 0 1 AVANTEL, S.A. 11992 88 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 82 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 11830 72 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 7927 68 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 1916 60 0 1 Fundacao de Amparo a Pesquisa 7984 59 0 1 Global One Colombia 4926 57 0 1 Telintar S.A. 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1399 1398 AT&T 1221 1137 1136 Telstra Pty Ltd 3908 909 908 Supernet, Inc. 1239 908 907 Sprint 702 711 710 UUNET - Commercial IP service 18566 687 686 Covad Communications 4323 663 662 Time Warner Communications, I 6197 613 612 BellSouth Network Solutions, 3356 527 526 Level 3 Communications, LLC 852 516 515 Telus Advanced Communications 209 507 506 Qwest 6198 493 492 BellSouth Network Solutions, 20115 470 469 Charter Communications 7843 465 464 Adelphia Corp. 705 414 413 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 392 391 EarthLink, Inc. 2386 371 370 AT&T Data Communications Serv 2907 371 370 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 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 /15:1 /16:4 /17:11 /18:19 /19:15 /20:12 /21:229 /22:37 /23:506 /24:123743 /25:4 /26:1 /27:1 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 677 687 Covad Communications 9942 34 176 COMindico Australia 2764 22 324 connect.com.au pty ltd 2914 17 290 Verio, Inc. 6316 7 33 StarNet, Inc. 4755 5 375 Videsh Sanchar Nigam Ltd. Aut 7474 5 333 Optus Communications Pty Ltd 15023 4 6 Quik International 10439 2 11 California Regional Intranet, 13868 2 10 Peak Inc. 14686 2 2 York Internet Services, Inc. 20770 2 3 Kiev UA 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6347 1 353 SAVVIS Communications Corpora 7018 1 1399 AT&T 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 10609 1 4 Televar Northwest, Inc. 12202 1 8 Midsouth/Interlnk Internet Se Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 63:1 64:3 65:1 66:1 69:1 141:1 192:2 193:1 195:1 198:1 199:1 202:53 203:58101 204:1 206:2 207:1 208:2 210:4 216:5 219:1 220:6 End of report