Routing Table Report 04:00 +10GMT Sat 21 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122260 Prefixes after maximum aggregation: 15346 Unique aggregates announced to Internet: 110 Total ASes present in the Internet Routing Table: 15305 Origin-only ASes present in the Internet Routing Table: 13261 Origin ASes announcing only one prefix: 6051 Transit ASes present in the Internet Routing Table: 2044 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 300273 Equivalent to 0 /8s, 4 /16s and 148 /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: 115 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21436 Total APNIC prefixes after maximum aggregation: 1899 Prefixes being announced from the APNIC address blocks: 122151 Unique aggregates announced from the APNIC address blocks: 97 APNIC Region origin ASes present in the Internet Routing Table: 1814 APNIC Region origin ASes announcing only one prefix: 536 APNIC Region transit ASes present in the Internet Routing Table: 293 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 266993 Equivalent to 0 /8s, 4 /16s and 18 /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: 74218 Total ARIN prefixes after maximum aggregation: 8452 Prefixes being announced from the ARIN address blocks: 19 Unique aggregates announced from the ARIN address blocks: 10 ARIN Region origin ASes present in the Internet Routing Table: 8440 ARIN Region origin ASes announcing only one prefix: 2899 ARIN Region transit ASes present in the Internet Routing Table: 826 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 14592 Equivalent to 0 /8s, 0 /16s and 57 /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: 21329 Total RIPE prefixes after maximum aggregation: 4657 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 2 RIPE Region origin ASes present in the Internet Routing Table: 4655 RIPE Region origin ASes announcing only one prefix: 2526 RIPE Region transit ASes present in the Internet Routing Table: 832 Average RIPE Region AS path length visible: 6.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 16640 Equivalent to 0 /8s, 0 /16s and 65 /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: 5260 Total LACNIC prefixes after maximum aggregation: 338 Prefixes being announced from the LACNIC address blocks: 7 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 335 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 7.0 Max LACNIC Region AS path length visible: 28 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 1161 0 1 Telstra Pty Ltd 4755 423 9 16 Videsh Sanchar Nigam Ltd. Aut 2907 373 0 1 SINET Japan 17557 345 0 1 Pakistan Telecom 2764 340 1 19 connect.com.au pty ltd 703 335 0 2 UUNET 7474 319 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 244 0 1 DACOM Corporation 9583 233 0 1 Satyam Infoway Ltd., 4134 218 0 1 Data Communications Bureau 4766 211 0 1 Korea Internet Exchange for " 9800 187 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 166 0 1 BHARTI BT INTERNET LTD. 4739 141 0 2 Commerical Internet eXchange 9238 135 0 1 TATA ISP 4716 128 0 1 TTnet 9929 126 0 1 China Netcom Corp. 4795 124 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1510 0 1 UUNET Technologies, Inc. 7018 1337 0 1 AT&T 1239 959 0 1 Sprint 7132 891 0 1 Southwestern Bell Internet Se 3908 889 0 1 Supernet, Inc. 11305 647 0 1 Interland Incorporated 7843 609 0 1 Adelphia Corp. 4323 601 0 1 Time Warner Communications, I 852 525 0 1 Telus Advanced Communications 6197 518 0 1 BellSouth Network Solutions, 705 509 0 1 UUNET Technologies, Inc. 209 497 0 1 Qwest 6198 476 0 1 BellSouth Network Solutions, 20115 454 0 1 Charter Communications 690 448 0 1 Merit Network 1 435 0 1 GENUITY 2386 408 0 1 AT&T Data Communications Serv 4355 397 0 1 EarthLink, Inc. 3561 374 0 1 Cable & Wireless USA 6347 367 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 743 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3320 265 0 1 Deutsche Telekom AG 3215 258 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 225 0 1 COLT Internet - International 1257 223 0 1 SWIPnet Swedish IP Network 5400 202 0 1 BT Ignite European Backbone 5515 179 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 153 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3246 120 0 1 Song Networks 3269 118 0 1 TELECOM ITALIA 3352 109 0 1 Ibernet, Internet Access Netw 5511 101 0 1 France Telecom 6746 89 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 296 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 216 0 1 UniNet S.A. de C.V. 11172 171 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 99 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 80 0 1 Empresas Publicas de Medellin 6535 76 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 72 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 11830 67 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 65533 * 7018 1337 1336 AT&T 1221 1161 1160 Telstra Pty Ltd 1239 959 958 Sprint 7132 891 890 Southwestern Bell Internet Se 3908 889 888 Supernet, Inc. 702 743 742 UUNET - Commercial IP service 11305 647 646 Interland Incorporated 7843 609 608 Adelphia Corp. 4323 601 600 Time Warner Communications, I 852 525 524 Telus Advanced Communications 6197 518 517 BellSouth Network Solutions, 705 509 508 UUNET Technologies, Inc. 209 497 496 Qwest 6198 476 475 BellSouth Network Solutions, 20115 454 453 Charter Communications 690 448 447 Merit Network 1 435 434 GENUITY 4755 423 407 Videsh Sanchar Nigam Ltd. Aut 2386 408 407 AT&T Data Communications Serv 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. 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 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 /15:1 /16:33 /17:8 /18:10 /19:5 /20:14 /21:10 /22:17 /23:14 /24:122123 /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 4270 24 68 Red de Interconexion Universi 2764 22 340 connect.com.au pty ltd 2914 18 295 Verio, Inc. 4755 17 423 Videsh Sanchar Nigam Ltd. Aut 8961 7 8 Emirates Internet Exchange MC 7474 5 319 Optus Communications Pty Ltd 6001 2 10 HQ USASC - USANETA 8966 2 2 Emirates Internet Exchange Ro 13802 2 7 North Rock Communications ltd 20289 2 2 Bentleyville Communications C 2050 1 17 Sprint Enterprise Information 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7199 1 1 Internet de Colombia S.A 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 13882 1 13 Hartford Life Insurance Compa 16441 1 27 Intellispace Inc. 19249 1 1 CoreExpress 19937 1 2 Menlo College Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 63:3 66:1 144:2 162:1 170:24 192:1 193:1 195:9 196:1 200:6 202:28 203:56475 206:1 208:1 210:5 213:1 216:1 219:8 End of report