Routing Table Report 04:00 +10GMT Tue 20 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122288 Prefixes after maximum aggregation: 15183 Unique aggregates announced to Internet: 179 Total ASes present in the Internet Routing Table: 15099 Origin-only ASes present in the Internet Routing Table: 13066 Origin ASes announcing only one prefix: 5969 Transit ASes present in the Internet Routing Table: 2033 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: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 300017 Equivalent to 0 /8s, 4 /16s and 147 /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: 103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21248 Total APNIC prefixes after maximum aggregation: 1900 Prefixes being announced from the APNIC address blocks: 122218 Unique aggregates announced from the APNIC address blocks: 150 APNIC Region origin ASes present in the Internet Routing Table: 1786 APNIC Region origin ASes announcing only one prefix: 532 APNIC Region transit ASes present in the Internet Routing Table: 302 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 168945 Equivalent to 0 /8s, 2 /16s and 147 /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: 74489 Total ARIN prefixes after maximum aggregation: 8370 Prefixes being announced from the ARIN address blocks: 38 Unique aggregates announced from the ARIN address blocks: 25 ARIN Region origin ASes present in the Internet Routing Table: 8342 ARIN Region origin ASes announcing only one prefix: 2866 ARIN Region transit ASes present in the Internet Routing Table: 820 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 57088 Equivalent to 0 /8s, 0 /16s and 223 /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: 21328 Total RIPE prefixes after maximum aggregation: 4581 Prefixes being announced from the RIPE address blocks: 12 Unique aggregates announced from the RIPE address blocks: 4 RIPE Region origin ASes present in the Internet Routing Table: 4578 RIPE Region origin ASes announcing only one prefix: 2483 RIPE Region transit ASes present in the Internet Routing Table: 822 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 73984 Equivalent to 0 /8s, 1 /16s and 33 /24s Percentage of available RIPE address space announced: 0.0 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: 5212 Total LACNIC prefixes after maximum aggregation: 332 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: 332 LACNIC Region origin ASes announcing only one prefix: 88 LACNIC Region transit ASes present in the Internet Routing Table: 71 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 1193 0 1 Telstra Pty Ltd 4755 440 37 70 Videsh Sanchar Nigam Ltd. Aut 2907 388 0 1 SINET Japan 17557 375 0 1 Pakistan Telecom 703 366 0 2 UUNET 2764 351 0 18 connect.com.au pty ltd 7474 320 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 224 0 1 Satyam Infoway Ltd., 4766 212 0 1 Korea Internet Exchange for " 9443 183 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 4739 138 0 2 Commerical Internet eXchange 9498 135 0 1 BHARTI BT INTERNET LTD. 9238 132 0 1 TATA ISP 4716 127 0 1 TTnet 4515 120 0 1 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1527 0 1 UUNET Technologies, Inc. 7018 1340 0 1 AT&T 4151 1184 0 1 USDA 7132 964 0 1 Southwestern Bell Internet Se 1239 946 0 1 Sprint 3908 903 0 1 Supernet, Inc. 7843 661 0 1 Adelphia Corp. 4323 595 0 1 Time Warner Communications, I 2386 583 0 1 AT&T Data Communications Serv 705 537 0 1 UUNET Technologies, Inc. 852 537 0 1 Telus Advanced Communications 209 490 0 2 Qwest 6197 487 0 1 BellSouth Network Solutions, 690 476 0 1 Merit Network 20115 474 0 1 Charter Communications 6198 465 0 1 BellSouth Network Solutions, 1 462 0 1 GENUITY 4355 405 0 1 EarthLink, Inc. 3561 383 0 1 Cable & Wireless USA 6347 363 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 753 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 191 0 1 BT Ignite European Backbone 5515 181 0 1 Sonera Solution Autonomous Sy 786 177 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 156 0 1 Romania Data Systems S.A. 3303 141 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 107 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 299 0 1 ImpSat 7303 255 0 1 Telecom Argentina Stet-France 8151 211 0 1 UniNet S.A. de C.V. 11172 169 0 1 Servicios Alestra S.A de C.V 16814 139 0 1 NSS, S.A. 6503 136 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 95 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 4270 75 0 1 Red de Interconexion Universi 6535 74 0 1 Chilesat Servicios Empresari 13999 74 0 1 Mega Cable S.A. de C.V. 1916 73 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 7738 66 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 1340 1339 AT&T 1221 1193 1192 Telstra Pty Ltd 4151 1184 1183 USDA 7132 964 963 Southwestern Bell Internet Se 1239 946 945 Sprint 3908 903 902 Supernet, Inc. 702 753 752 UUNET - Commercial IP service 7843 661 660 Adelphia Corp. 4323 595 594 Time Warner Communications, I 2386 583 582 AT&T Data Communications Serv 705 537 536 UUNET Technologies, Inc. 852 537 536 Telus Advanced Communications 209 490 488 Qwest 6197 487 486 BellSouth Network Solutions, 690 476 475 Merit Network 20115 474 473 Charter Communications 6198 465 464 BellSouth Network Solutions, 1 462 461 GENUITY 4355 405 404 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 25060 UNALLOCATED 203.14.8.16/24 9186 ONITELECOM Autonomou 25060 UNALLOCATED 203.14.8.16/24 9186 ONITELECOM Autonomou 64414 RESERVED 203.14.8.16/24 7786 Lockheed Martin IMS 64414 RESERVED 203.14.8.16/24 7786 Lockheed Martin IMS 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 /17:4 /18:7 /19:13 /20:8 /21:15 /22:21 /23:19 /24:122174 /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 22 351 connect.com.au pty ltd 4755 20 440 Videsh Sanchar Nigam Ltd. Aut 2914 18 297 Verio, Inc. 10434 8 29 Satellite Communication Syste 7474 5 320 Optus Communications Pty Ltd 18298 5 6 Chungnam National University 3356 3 291 Level 3 Communications, LLC 19846 3 3 Planet Communications Network 2050 2 17 Sprint Enterprise Information 6048 2 6 US DOD NIC Unregistered 20228 2 7 Pacnet S.A. de C.V. 1239 1 946 Sprint 4270 1 75 Red de Interconexion Universi 4805 1 15 Equant (formerly Global One) 6049 1 2 US DOD NIC Unregistered 6085 1 1 SITA Network Operations Cente 6385 1 121 bellsouth.net, inc. 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:17 63:1 64:4 65:2 144:3 168:5 192:3 198:1 199:2 202:72 203:56498 204:2 205:2 206:1 207:2 208:3 209:3 210:5 212:1 219:9 End of report