Routing Table Report 04:00 +10GMT Thu 22 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122502 Prefixes after maximum aggregation: 15213 Unique aggregates announced to Internet: 209 Total ASes present in the Internet Routing Table: 15113 Origin-only ASes present in the Internet Routing Table: 13089 Origin ASes announcing only one prefix: 5966 Transit ASes present in the Internet Routing Table: 2024 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 255 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: 279537 Equivalent to 0 /8s, 4 /16s and 67 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 77 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21342 Total APNIC prefixes after maximum aggregation: 1930 Prefixes being announced from the APNIC address blocks: 122453 Unique aggregates announced from the APNIC address blocks: 184 APNIC Region origin ASes present in the Internet Routing Table: 1791 APNIC Region origin ASes announcing only one prefix: 532 APNIC Region transit ASes present in the Internet Routing Table: 304 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 112625 Equivalent to 0 /8s, 1 /16s and 183 /24s Percentage of available APNIC address space announced: 0.1 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: 74715 Total ARIN prefixes after maximum aggregation: 8359 Prefixes being announced from the ARIN address blocks: 21 Unique aggregates announced from the ARIN address blocks: 16 ARIN Region origin ASes present in the Internet Routing Table: 8344 ARIN Region origin ASes announcing only one prefix: 2857 ARIN Region transit ASes present in the Internet Routing Table: 818 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 51456 Equivalent to 0 /8s, 0 /16s and 201 /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: 21235 Total RIPE prefixes after maximum aggregation: 4593 Prefixes being announced from the RIPE address blocks: 20 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4585 RIPE Region origin ASes announcing only one prefix: 2489 RIPE Region transit ASes present in the Internet Routing Table: 814 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 115456 Equivalent to 0 /8s, 1 /16s and 195 /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: 5201 Total LACNIC prefixes after maximum aggregation: 331 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: 331 LACNIC Region origin ASes announcing only one prefix: 88 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 25 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 1189 0 1 Telstra Pty Ltd 4755 440 23 99 Videsh Sanchar Nigam Ltd. Aut 2907 388 0 1 SINET Japan 17557 374 0 1 Pakistan Telecom 703 348 0 2 UUNET 2764 347 0 18 connect.com.au pty ltd 7474 319 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 247 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 228 0 1 Data Communications Bureau 9583 225 0 1 Satyam Infoway Ltd., 4766 212 0 1 Korea Internet Exchange for " 9443 183 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 4739 138 0 2 Commerical Internet eXchange 9498 136 0 1 BHARTI BT INTERNET LTD. 9238 134 0 1 TATA ISP 4716 127 0 1 TTnet 4795 123 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1532 0 1 UUNET Technologies, Inc. 7018 1343 0 1 AT&T 4151 1231 0 1 USDA 7132 964 0 1 Southwestern Bell Internet Se 1239 945 0 1 Sprint 3908 910 0 1 Supernet, Inc. 7843 662 0 1 Adelphia Corp. 4323 599 0 1 Time Warner Communications, I 705 540 0 1 UUNET Technologies, Inc. 852 535 0 1 Telus Advanced Communications 2386 535 0 1 AT&T Data Communications Serv 209 488 0 1 Qwest 6197 487 0 1 BellSouth Network Solutions, 690 476 0 1 Merit Network 20115 474 0 1 Charter Communications 1 464 2 2 GENUITY 6198 464 0 1 BellSouth Network Solutions, 4355 399 0 1 EarthLink, Inc. 3561 383 0 1 Cable & Wireless USA 6347 364 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 751 0 1 UUNET - Commercial IP service 3301 309 0 1 TeliaNet Sweden 3215 303 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 8220 222 0 1 COLT Internet - International 5400 190 0 1 BT Ignite European Backbone 5515 180 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 20858 165 0 1 This AS will be used to conne 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 123 0 1 BTnet UK Regional network 3269 116 0 1 TELECOM ITALIA 3246 113 0 1 Song Networks 3352 108 0 1 Ibernet, Internet Access Netw 2874 97 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 302 0 1 ImpSat 7303 245 0 1 Telecom Argentina Stet-France 8151 213 0 1 UniNet S.A. de C.V. 11172 169 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 132 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 96 0 1 Telefonica Del Peru 11992 86 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 73 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 7738 67 0 1 Telecomunicacoes da Bahia S.A 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1343 1342 AT&T 4151 1231 1230 USDA 1221 1189 1188 Telstra Pty Ltd 7132 964 963 Southwestern Bell Internet Se 1239 945 944 Sprint 3908 910 909 Supernet, Inc. 702 751 750 UUNET - Commercial IP service 7843 662 661 Adelphia Corp. 4323 599 598 Time Warner Communications, I 705 540 539 UUNET Technologies, Inc. 852 535 534 Telus Advanced Communications 2386 535 534 AT&T Data Communications Serv 209 488 487 Qwest 6197 487 486 BellSouth Network Solutions, 690 476 475 Merit Network 20115 474 473 Charter Communications 6198 464 463 BellSouth Network Solutions, 1 464 462 GENUITY 4355 399 398 EarthLink, Inc. 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 /16:2 /17:3 /18:9 /19:14 /20:6 /21:12 /22:17 /23:20 /24:122394 /25:5 /26:0 /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 2764 22 347 connect.com.au pty ltd 4755 19 440 Videsh Sanchar Nigam Ltd. Aut 2914 18 297 Verio, Inc. 7474 5 319 Optus Communications Pty Ltd 3356 3 298 Level 3 Communications, LLC 19706 2 2 Select Office Suites 4805 1 15 Equant (formerly Global One) 5536 1 76 Internet Egypt Network 6085 1 1 SITA Network Operations Cente 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 15172 1 2 Trumbull Business Systems, In 16441 1 26 Intellispace Inc. 20921 1 19 AMENA Autonomous System Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:2 149:2 192:1 198:2 202:55 203:56754 204:3 205:1 206:2 207:2 209:1 210:5 213:1 219:9 End of report