Routing Table Report 04:00 +10GMT Thu 16 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126482 Prefixes after maximum aggregation: 15970 Unique aggregates announced to Internet: 168 Total ASes present in the Internet Routing Table: 15923 Origin-only ASes present in the Internet Routing Table: 13777 Origin ASes announcing only one prefix: 6307 Transit ASes present in the Internet Routing Table: 2146 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: 30 Illegal AS announcements present in the Routing Table: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 559617 Equivalent to 0 /8s, 8 /16s and 138 /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: 730 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22631 Total APNIC prefixes after maximum aggregation: 2008 Prefixes being announced from the APNIC address blocks: 125755 Unique aggregates announced from the APNIC address blocks: 149 APNIC Region origin ASes present in the Internet Routing Table: 1902 APNIC Region origin ASes announcing only one prefix: 557 APNIC Region transit ASes present in the Internet Routing Table: 314 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 431361 Equivalent to 0 /8s, 6 /16s and 149 /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: 75673 Total ARIN prefixes after maximum aggregation: 8685 Prefixes being announced from the ARIN address blocks: 679 Unique aggregates announced from the ARIN address blocks: 9 ARIN Region origin ASes present in the Internet Routing Table: 8675 ARIN Region origin ASes announcing only one prefix: 2998 ARIN Region transit ASes present in the Internet Routing Table: 855 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 9216 Equivalent to 0 /8s, 0 /16s and 36 /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: 22809 Total RIPE prefixes after maximum aggregation: 4929 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 4924 RIPE Region origin ASes announcing only one prefix: 2647 RIPE Region transit ASes present in the Internet Routing Table: 873 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 119040 Equivalent to 0 /8s, 1 /16s and 209 /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 30720 - 31743 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: 5354 Total LACNIC prefixes after maximum aggregation: 348 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 348 LACNIC Region origin ASes announcing only one prefix: 105 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: 22 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 1121 0 1 Telstra Pty Ltd 2907 369 0 1 SINET Japan 4755 357 8 56 Videsh Sanchar Nigam Ltd. Aut 4134 346 0 1 Data Communications Bureau 703 335 0 2 UUNET 7474 330 0 2 Optus Communications Pty Ltd 2764 301 0 1 connect.com.au pty ltd 17557 298 0 1 Pakistan Telecom 17676 271 0 1 XTAGE CORPORATION 9583 243 0 1 Satyam Infoway Ltd., 4766 237 0 1 Korea Internet Exchange for " 3786 233 0 1 DACOM Corporation 4538 207 0 1 China Education and Research 9800 202 0 1 CHINA UNICOM 9498 185 0 1 BHARTI BT INTERNET LTD. 9443 182 0 1 Primus Telecommunications 9929 172 0 1 China Netcom Corp. 9942 156 0 4 COMindico Australia 17642 154 0 3 RequestDSL BGP AS# for Sydney 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1428 0 1 UUNET Technologies, Inc. 7018 1373 0 1 AT&T 3908 931 0 1 Supernet, Inc. 1239 929 0 1 Sprint 18566 708 0 1 Covad Communications 4323 679 0 1 Time Warner Communications, I 6197 647 0 1 BellSouth Network Solutions, 3356 596 0 1 Level 3 Communications, LLC 6198 591 0 1 BellSouth Network Solutions, 7843 530 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 512 0 1 Qwest 20115 484 0 1 Charter Communications 690 411 0 1 Merit Network 705 399 0 1 UUNET Technologies, Inc. 4355 388 0 1 EarthLink, Inc. 2386 382 0 1 AT&T Data Communications Serv 6347 344 0 1 SAVVIS Communications Corpora 19029 337 0 1 New Edge Networks 3561 336 0 1 Cable & Wireless USA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 711 0 1 UUNET - Commercial IP service 3301 297 0 1 TeliaNet Sweden 3320 276 0 1 Deutsche Telekom AG 8220 258 0 1 COLT Internet - International 1257 238 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 3215 192 0 1 France Telecom Transpac 5400 186 0 1 BT Ignite European Backbone 5515 185 0 1 Sonera Solution Autonomous Sy 786 180 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 158 0 1 Romania Data Systems S.A. 3303 149 0 1 Swisscom Ltd 3246 129 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 121 0 1 TELECOM ITALIA 2856 115 0 1 BTnet UK Regional network 25186 113 0 1 France Telecom Transpac's Tra 3352 99 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 339 0 1 ImpSat 8151 235 0 1 UniNet S.A. de C.V. 7303 219 0 1 Telecom Argentina Stet-France 11172 184 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6505 140 0 1 Global One Communicaoes Ltda 6503 127 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 6147 91 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 83 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 11830 75 0 1 Instituto Costarricense de El 15311 75 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 1916 59 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. 5639 57 0 1 Telecommunications Services o 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1373 1372 AT&T 1221 1121 1120 Telstra Pty Ltd 3908 931 930 Supernet, Inc. 1239 929 928 Sprint 702 711 710 UUNET - Commercial IP service 18566 708 707 Covad Communications 4323 679 678 Time Warner Communications, I 6197 647 646 BellSouth Network Solutions, 3356 596 595 Level 3 Communications, LLC 6198 591 590 BellSouth Network Solutions, 7843 530 529 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 512 511 Qwest 20115 484 483 Charter Communications 690 411 410 Merit Network 705 399 398 UUNET Technologies, Inc. 4355 388 387 EarthLink, Inc. 2386 382 381 AT&T Data Communications Serv 2907 369 368 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 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 /16:3 /17:10 /18:18 /19:9 /20:9 /21:223 /22:9 /23:459 /24:125737 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 662 708 Covad Communications 2914 17 281 Verio, Inc. 3758 12 42 SingNet 14861 9 11 ISC Group 7474 5 330 Optus Communications Pty Ltd 7633 5 129 Software Technology Parks of 4755 4 357 Videsh Sanchar Nigam Ltd. Aut 9129 4 21 UUNET Kenya 12455 3 19 Jambonet Autonomous system 5786 2 154 University of Puerto Rico 22329 2 5 BayMountain Inc. 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 12833 1 1 Sistema de Mail para Todos do 18580 1 1 United States Internet, Corp. 24985 1 1 KACZMARSKI INKASSO Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:17 64:2 69:1 136:2 164:5 165:1 193:1 195:1 202:30 203:60129 206:1 207:1 210:3 212:3 216:2 217:1 End of report