Routing Table Report 04:00 +10GMT Fri 20 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122188 Prefixes after maximum aggregation: 15412 Unique aggregates announced to Internet: 218 Total ASes present in the Internet Routing Table: 15296 Origin-only ASes present in the Internet Routing Table: 13243 Origin ASes announcing only one prefix: 6041 Transit ASes present in the Internet Routing Table: 2053 Transit-only ASes present in the Internet Routing Table: 65 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: 313329 Equivalent to 0 /8s, 4 /16s and 199 /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: 92 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21409 Total APNIC prefixes after maximum aggregation: 1972 Prefixes being announced from the APNIC address blocks: 122078 Unique aggregates announced from the APNIC address blocks: 208 APNIC Region origin ASes present in the Internet Routing Table: 1809 APNIC Region origin ASes announcing only one prefix: 537 APNIC Region transit ASes present in the Internet Routing Table: 291 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 290545 Equivalent to 0 /8s, 4 /16s and 110 /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: 74199 Total ARIN prefixes after maximum aggregation: 8444 Prefixes being announced from the ARIN address blocks: 23 Unique aggregates announced from the ARIN address blocks: 8 ARIN Region origin ASes present in the Internet Routing Table: 8437 ARIN Region origin ASes announcing only one prefix: 2891 ARIN Region transit ASes present in the Internet Routing Table: 831 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 6144 Equivalent to 0 /8s, 0 /16s and 24 /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: 21309 Total RIPE prefixes after maximum aggregation: 4661 Prefixes being announced from the RIPE address blocks: 27 Unique aggregates announced from the RIPE address blocks: 2 RIPE Region origin ASes present in the Internet Routing Table: 4652 RIPE Region origin ASes announcing only one prefix: 2525 RIPE Region transit ASes present in the Internet Routing Table: 836 Average RIPE Region AS path length visible: 6.5 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: 5254 Total LACNIC prefixes after maximum aggregation: 335 Prefixes being announced from the LACNIC address blocks: 11 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 334 LACNIC Region origin ASes announcing only one prefix: 88 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 1173 0 1 Telstra Pty Ltd 4755 445 24 98 Videsh Sanchar Nigam Ltd. Aut 2907 373 0 1 SINET Japan 17557 345 0 1 Pakistan Telecom 2764 339 0 18 connect.com.au pty ltd 703 335 0 2 UUNET 7474 321 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 244 0 1 DACOM Corporation 9583 234 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 165 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. 4713 123 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1513 0 1 UUNET Technologies, Inc. 7018 1328 0 1 AT&T 1239 961 0 1 Sprint 7132 922 0 1 Southwestern Bell Internet Se 3908 889 0 1 Supernet, Inc. 11305 647 0 1 Interland Incorporated 7843 614 0 1 Adelphia Corp. 4323 601 0 1 Time Warner Communications, I 852 525 0 1 Telus Advanced Communications 705 509 0 1 UUNET Technologies, Inc. 6197 502 0 1 BellSouth Network Solutions, 209 498 0 1 Qwest 6198 470 0 1 BellSouth Network Solutions, 20115 463 0 1 Charter Communications 690 450 0 1 Merit Network 1 438 0 1 GENUITY 2386 405 0 1 AT&T Data Communications Serv 4355 393 0 1 EarthLink, Inc. 3561 377 0 1 Cable & Wireless USA 6347 366 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 744 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3320 263 0 1 Deutsche Telekom AG 3215 259 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 226 0 1 COLT Internet - International 1257 223 0 1 SWIPnet Swedish IP Network 5400 201 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 100 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 217 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 128 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 87 0 2 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 6535 76 0 1 Chilesat Servicios Empresari 8065 73 0 1 Empresas Publicas de Medellin 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 71 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 1328 1327 AT&T 1221 1173 1172 Telstra Pty Ltd 1239 961 960 Sprint 7132 922 921 Southwestern Bell Internet Se 3908 889 888 Supernet, Inc. 702 744 743 UUNET - Commercial IP service 11305 647 646 Interland Incorporated 7843 614 613 Adelphia Corp. 4323 601 600 Time Warner Communications, I 852 525 524 Telus Advanced Communications 705 509 508 UUNET Technologies, Inc. 6197 502 501 BellSouth Network Solutions, 209 498 497 Qwest 6198 470 469 BellSouth Network Solutions, 20115 463 462 Charter Communications 690 450 449 Merit Network 1 438 437 GENUITY 2386 405 404 AT&T Data Communications Serv 4355 393 392 EarthLink, Inc. 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 /16:36 /17:7 /18:11 /19:12 /20:11 /21:15 /22:23 /23:20 /24:122027 /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 22 339 connect.com.au pty ltd 4755 19 445 Videsh Sanchar Nigam Ltd. Aut 8961 7 8 Emirates Internet Exchange MC 20115 6 463 Charter Communications 6034 5 6 USCENTCOM/CCJ6-C 7474 5 321 Optus Communications Pty Ltd 2609 4 11 Tunisia BackBone AS 19331 4 5 Befirst.com 1930 3 6 RCCN-NET 559 2 74 SWITCH, Swiss Academic and Re 8966 2 2 Emirates Internet Exchange Ro 2050 1 17 Sprint Enterprise Information 4519 1 69 Maas Communications 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 11992 1 87 Integrated Systems 12735 1 7 Netone Bilgi Ve Iletisim Hizm 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 24:5 57:1 63:1 65:2 144:5 192:2 195:9 196:1 199:1 200:9 202:57 203:56377 204:2 206:1 208:1 210:5 212:1 216:2 219:9 End of report