Routing Table Report 04:00 +10GMT Tue 10 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122344 Prefixes after maximum aggregation: 15304 Unique aggregates announced to Internet: 202 Total ASes present in the Internet Routing Table: 15216 Origin-only ASes present in the Internet Routing Table: 13176 Origin ASes announcing only one prefix: 6002 Transit ASes present in the Internet Routing Table: 2040 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 5.7 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: 1245425 Equivalent to 0 /8s, 19 /16s and 0 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.1 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 157 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21487 Total APNIC prefixes after maximum aggregation: 1881 Prefixes being announced from the APNIC address blocks: 122176 Unique aggregates announced from the APNIC address blocks: 90 APNIC Region origin ASes present in the Internet Routing Table: 1801 APNIC Region origin ASes announcing only one prefix: 525 APNIC Region transit ASes present in the Internet Routing Table: 298 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 1027569 Equivalent to 0 /8s, 15 /16s and 173 /24s Percentage of available APNIC address space announced: 0.6 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: 74376 Total ARIN prefixes after maximum aggregation: 8465 Prefixes being announced from the ARIN address blocks: 122 Unique aggregates announced from the ARIN address blocks: 101 ARIN Region origin ASes present in the Internet Routing Table: 8402 ARIN Region origin ASes announcing only one prefix: 2874 ARIN Region transit ASes present in the Internet Routing Table: 829 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 109312 Equivalent to 0 /8s, 1 /16s and 171 /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: 21243 Total RIPE prefixes after maximum aggregation: 4625 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 4617 RIPE Region origin ASes announcing only one prefix: 2516 RIPE Region transit ASes present in the Internet Routing Table: 821 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 108544 Equivalent to 0 /8s, 1 /16s and 168 /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: 5226 Total LACNIC prefixes after maximum aggregation: 333 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: 333 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 26 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 1178 0 1 Telstra Pty Ltd 4755 443 8 15 Videsh Sanchar Nigam Ltd. Aut 2907 374 0 1 SINET Japan 17557 349 0 1 Pakistan Telecom 2764 346 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 315 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 235 0 1 Data Communications Bureau 9583 222 0 1 Satyam Infoway Ltd., 4766 211 0 1 Korea Internet Exchange for " 9443 182 0 1 Primus Telecommunications 9800 176 0 1 CHINA UNICOM 9498 146 0 1 BHARTI BT INTERNET LTD. 4739 140 0 2 Commerical Internet eXchange 9238 134 0 1 TATA ISP 4716 128 0 1 TTnet 4814 128 0 1 China Telecom (Group) 4713 124 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1520 0 1 UUNET Technologies, Inc. 7018 1334 0 1 AT&T 7132 1015 0 1 Southwestern Bell Internet Se 1239 954 0 1 Sprint 3908 897 0 1 Supernet, Inc. 11305 647 0 1 Interland Incorporated 7843 629 0 1 Adelphia Corp. 4323 598 0 1 Time Warner Communications, I 852 526 0 1 Telus Advanced Communications 705 509 0 1 UUNET Technologies, Inc. 209 496 0 1 Qwest 6197 491 0 1 BellSouth Network Solutions, 6198 468 0 1 BellSouth Network Solutions, 20115 462 0 1 Charter Communications 690 452 0 1 Merit Network 1 441 0 1 GENUITY 2386 439 0 1 AT&T Data Communications Serv 4355 403 0 1 EarthLink, Inc. 3561 381 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 702 746 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3215 295 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 224 0 1 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 209 0 1 BT Ignite European Backbone 786 178 0 1 The JANET IP Service 5515 178 0 1 Sonera Solution Autonomous Sy 719 174 0 1 LANLINK autonomous system 8708 152 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3246 118 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 109 0 1 Ibernet, Internet Access Netw 8895 102 0 1 KACST/ISU Riyadh Autonomous S 5511 95 0 1 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 215 0 1 UniNet S.A. de C.V. 11172 172 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 129 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 97 0 1 Telefonica Del Peru 11992 89 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 72 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. 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 15034 62 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1334 1333 AT&T 1221 1178 1177 Telstra Pty Ltd 7132 1015 1014 Southwestern Bell Internet Se 1239 954 953 Sprint 3908 897 896 Supernet, Inc. 702 746 745 UUNET - Commercial IP service 11305 647 646 Interland Incorporated 7843 629 628 Adelphia Corp. 4323 598 597 Time Warner Communications, I 852 526 525 Telus Advanced Communications 705 509 508 UUNET Technologies, Inc. 209 496 495 Qwest 6197 491 490 BellSouth Network Solutions, 6198 468 467 BellSouth Network Solutions, 20115 462 461 Charter Communications 690 452 451 Merit Network 1 441 440 GENUITY 2386 439 438 AT&T Data Communications Serv 4755 443 428 Videsh Sanchar Nigam Ltd. Aut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 29782 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 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 /14:3 /15:1 /16:7 /17:6 /18:5 /19:18 /20:12 /21:14 /22:30 /23:16 /24:122207 /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 11606 56 63 Warwick Online 2764 22 346 connect.com.au pty ltd 2914 18 295 Verio, Inc. 4755 17 443 Videsh Sanchar Nigam Ltd. Aut 27209 9 13 The Door to the Internet 7474 5 315 Optus Communications Pty Ltd 21417 5 5 BNC 5778 4 86 Sprint Mid-Atlantic Telecom 17077 3 5 NetStep Access Services 7185 2 8 QuadraNet Internet Services 137 1 84 GARR Italian academic and res 3267 1 8 RUNNet 3768 1 25 Dialog Information Services, 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6198 1 468 BellSouth Network Solutions, 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 15634 1 12 FORTE Autonomous System Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:1 69:1 167:1 192:6 193:1 198:2 199:5 202:30 203:56516 204:7 205:1 206:1 208:24 209:2 210:5 212:2 213:3 216:36 217:1 219:8 End of report