Routing Table Report 04:00 +10GMT Sun 24 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124085 Prefixes after maximum aggregation: 15743 Unique aggregates announced to Internet: 223 Total ASes present in the Internet Routing Table: 15642 Origin-only ASes present in the Internet Routing Table: 13521 Origin ASes announcing only one prefix: 6211 Transit ASes present in the Internet Routing Table: 2121 Transit-only ASes present in the Internet Routing Table: 72 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 587425 Equivalent to 0 /8s, 8 /16s and 246 /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: 110 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22169 Total APNIC prefixes after maximum aggregation: 2013 Prefixes being announced from the APNIC address blocks: 124010 Unique aggregates announced from the APNIC address blocks: 199 APNIC Region origin ASes present in the Internet Routing Table: 1867 APNIC Region origin ASes announcing only one prefix: 550 APNIC Region transit ASes present in the Internet Routing Table: 306 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 428449 Equivalent to 0 /8s, 6 /16s and 137 /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: 74653 Total ARIN prefixes after maximum aggregation: 8584 Prefixes being announced from the ARIN address blocks: 34 Unique aggregates announced from the ARIN address blocks: 17 ARIN Region origin ASes present in the Internet Routing Table: 8564 ARIN Region origin ASes announcing only one prefix: 2950 ARIN Region transit ASes present in the Internet Routing Table: 850 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 60160 Equivalent to 0 /8s, 0 /16s and 235 /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: 22046 Total RIPE prefixes after maximum aggregation: 4802 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4795 RIPE Region origin ASes announcing only one prefix: 2613 RIPE Region transit ASes present in the Internet Routing Table: 867 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 98816 Equivalent to 0 /8s, 1 /16s and 130 /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: 5205 Total LACNIC prefixes after maximum aggregation: 344 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: 344 LACNIC Region origin ASes announcing only one prefix: 98 LACNIC Region transit ASes present in the Internet Routing Table: 72 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 1151 0 1 Telstra Pty Ltd 4755 388 15 70 Videsh Sanchar Nigam Ltd. Aut 703 362 0 2 UUNET 2907 362 0 1 SINET Japan 2764 335 1 20 connect.com.au pty ltd 7474 326 0 2 Optus Communications Pty Ltd 4134 318 0 1 Data Communications Bureau 17557 307 0 1 Pakistan Telecom 17676 251 0 1 XTAGE CORPORATION 9583 242 0 1 Satyam Infoway Ltd., 3786 239 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 198 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 173 0 1 BHARTI BT INTERNET LTD. 4538 168 0 1 China Education and Research 17642 158 0 3 RequestDSL BGP AS# for Sydney 9942 153 5 20 COMindico Australia 9929 151 0 1 China Netcom Corp. 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1478 0 1 UUNET Technologies, Inc. 7018 1370 0 1 AT&T 3908 911 0 1 Supernet, Inc. 1239 907 0 1 Sprint 4323 624 0 1 Time Warner Communications, I 6197 569 0 1 BellSouth Network Solutions, 7843 551 0 1 Adelphia Corp. 852 519 0 1 Telus Advanced Communications 209 518 0 1 Qwest 6198 512 0 1 BellSouth Network Solutions, 705 485 0 1 UUNET Technologies, Inc. 3356 478 0 1 Level 3 Communications, LLC 20115 475 0 1 Charter Communications 7132 410 0 1 Southwestern Bell Internet Se 690 407 0 1 Merit Network 4355 404 14 6 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 11305 358 0 1 Interland Incorporated 6347 357 0 1 SAVVIS Communications Corpora 3549 350 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 733 0 1 UUNET - Commercial IP service 3301 289 0 1 TeliaNet Sweden 3320 262 0 1 Deutsche Telekom AG 8220 243 0 1 COLT Internet - International 1257 241 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 214 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 5400 173 0 1 BT Ignite European Backbone 8708 159 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 3352 111 0 1 Ibernet, Internet Access Netw 6746 88 0 1 Dynamic Network Technologies, 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 315 0 1 ImpSat 7303 236 0 1 Telecom Argentina Stet-France 8151 223 0 1 UniNet S.A. de C.V. 11172 178 0 1 Servicios Alestra S.A de C.V 16814 152 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 75 0 1 Telefonica Empresas 11830 74 0 1 Instituto Costarricense de El 1916 69 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 7984 59 0 1 Global One Colombia 13999 56 0 1 Mega Cable S.A. de C.V. 4926 55 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1370 1369 AT&T 1221 1151 1150 Telstra Pty Ltd 3908 911 910 Supernet, Inc. 1239 907 906 Sprint 702 733 732 UUNET - Commercial IP service 4323 624 623 Time Warner Communications, I 6197 569 568 BellSouth Network Solutions, 7843 551 550 Adelphia Corp. 852 519 518 Telus Advanced Communications 209 518 517 Qwest 6198 512 511 BellSouth Network Solutions, 705 485 484 UUNET Technologies, Inc. 3356 478 477 Level 3 Communications, LLC 20115 475 474 Charter Communications 7132 410 409 Southwestern Bell Internet Se 690 407 406 Merit Network 4355 404 398 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 362 361 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 64512 PRIVATE 203.14.8.16/24 9498 BHARTI BT INTERNET L 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 /16:7 /17:10 /18:16 /19:8 /20:6 /21:18 /22:19 /23:18 /24:123957 /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 23 335 connect.com.au pty ltd 4755 18 388 Videsh Sanchar Nigam Ltd. Aut 2914 17 292 Verio, Inc. 9942 15 153 COMindico Australia 6316 8 32 StarNet, Inc. 7474 5 326 Optus Communications Pty Ltd 9129 5 24 UUNET Kenya 11675 2 6 Zebec Data Systems 2050 1 17 Sprint Enterprise Information 4270 1 68 Red de Interconexion Universi 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6388 1 188 bellsouth.net, inc. 7381 1 15 Sungard Recovery Services, In 11347 1 2 Operational Research Consulta 17860 1 5 WEBZEN 18253 1 1 EXXON MOBIL CORPORATION 20183 1 9 VeriCenter, Inc. 21280 1 7 Swift Global Kenya Ltd.Is an Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:16 63:1 64:2 65:2 80:1 192:7 195:5 198:4 202:46 203:58309 204:5 205:2 206:2 209:1 210:4 216:1 219:8 220:3 End of report