Routing Table Report 04:00 +10GMT Thu 29 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 121694 Prefixes after maximum aggregation: 15271 Unique aggregates announced to Internet: 204 Total ASes present in the Internet Routing Table: 15174 Origin-only ASes present in the Internet Routing Table: 13141 Origin ASes announcing only one prefix: 5991 Transit ASes present in the Internet Routing Table: 2033 Transit-only ASes present in the Internet Routing Table: 60 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: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 238833 Equivalent to 0 /8s, 3 /16s and 164 /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: 93 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21603 Total APNIC prefixes after maximum aggregation: 1938 Prefixes being announced from the APNIC address blocks: 121639 Unique aggregates announced from the APNIC address blocks: 183 APNIC Region origin ASes present in the Internet Routing Table: 1797 APNIC Region origin ASes announcing only one prefix: 531 APNIC Region transit ASes present in the Internet Routing Table: 307 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 110321 Equivalent to 0 /8s, 1 /16s and 174 /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: 73610 Total ARIN prefixes after maximum aggregation: 8399 Prefixes being announced from the ARIN address blocks: 24 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8389 ARIN Region origin ASes announcing only one prefix: 2881 ARIN Region transit ASes present in the Internet Routing Table: 822 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 14848 Equivalent to 0 /8s, 0 /16s and 58 /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: 21226 Total RIPE prefixes after maximum aggregation: 4603 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4599 RIPE Region origin ASes announcing only one prefix: 2492 RIPE Region transit ASes present in the Internet Routing Table: 817 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 113664 Equivalent to 0 /8s, 1 /16s and 188 /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: 5241 Total LACNIC prefixes after maximum aggregation: 331 Prefixes being announced from the LACNIC address blocks: 4 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: 87 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: 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 1188 0 1 Telstra Pty Ltd 4755 443 25 102 Videsh Sanchar Nigam Ltd. Aut 2907 376 0 1 SINET Japan 17557 372 0 1 Pakistan Telecom 703 347 0 2 UUNET 2764 345 0 18 connect.com.au pty ltd 7474 319 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 249 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 229 0 1 Data Communications Bureau 9583 226 0 1 Satyam Infoway Ltd., 4766 211 0 1 Korea Internet Exchange for " 9443 182 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 9498 142 0 1 BHARTI BT INTERNET LTD. 4739 139 0 2 Commerical Internet eXchange 9238 134 0 1 TATA ISP 4716 128 0 1 TTnet 4795 124 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1523 0 1 UUNET Technologies, Inc. 7018 1336 0 1 AT&T 7132 967 0 1 Southwestern Bell Internet Se 1239 949 0 1 Sprint 3908 902 0 1 Supernet, Inc. 7843 657 0 1 Adelphia Corp. 4323 597 0 1 Time Warner Communications, I 2386 541 0 1 AT&T Data Communications Serv 852 535 0 1 Telus Advanced Communications 705 503 0 1 UUNET Technologies, Inc. 209 492 0 1 Qwest 6197 488 0 1 BellSouth Network Solutions, 6198 463 0 1 BellSouth Network Solutions, 20115 463 0 1 Charter Communications 690 456 0 1 Merit Network 1 445 0 1 GENUITY 4355 398 0 1 EarthLink, Inc. 3561 379 0 1 Cable & Wireless USA 6347 363 0 1 SAVVIS Communications Corpora 19029 342 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 750 0 1 UUNET - Commercial IP service 3320 344 0 1 Deutsche Telekom AG 3301 305 0 1 TeliaNet Sweden 3215 302 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 193 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 8708 155 0 1 Romania Data Systems S.A. 3303 143 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 123 0 1 BTnet UK Regional network 3269 115 0 1 TELECOM ITALIA 3246 113 0 1 Song Networks 3352 109 0 1 Ibernet, Internet Access Netw 5511 94 0 1 France Telecom 9051 91 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 301 0 1 ImpSat 7303 244 0 1 Telecom Argentina Stet-France 8151 217 0 1 UniNet S.A. de C.V. 11172 170 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 134 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 79 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 7738 63 0 1 Telecomunicacoes da Bahia S.A 15034 63 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1336 1335 AT&T 1221 1188 1187 Telstra Pty Ltd 7132 967 966 Southwestern Bell Internet Se 1239 949 948 Sprint 3908 902 901 Supernet, Inc. 702 750 749 UUNET - Commercial IP service 7843 657 656 Adelphia Corp. 4323 597 596 Time Warner Communications, I 2386 541 540 AT&T Data Communications Serv 852 535 534 Telus Advanced Communications 705 503 502 UUNET Technologies, Inc. 209 492 491 Qwest 6197 488 487 BellSouth Network Solutions, 6198 463 462 BellSouth Network Solutions, 20115 463 462 Charter Communications 690 456 455 Merit Network 1 445 444 GENUITY 4355 398 397 EarthLink, Inc. 3561 379 378 Cable & Wireless USA 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 64732 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64840 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 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 /16:1 /17:5 /18:7 /19:6 /20:10 /21:14 /22:18 /23:18 /24:121590 /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 22 345 connect.com.au pty ltd 4755 19 443 Videsh Sanchar Nigam Ltd. Aut 2914 18 296 Verio, Inc. 11548 9 40 Dragon Internet 7474 5 319 Optus Communications Pty Ltd 9121 3 21 TTnet Autonomous System 16675 2 2 WinMill Software 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 10458 1 2 Juniper Networks, Inc. 13864 1 6 Union Partners 15261 1 2 Centra Software, Inc. 16128 1 9 AGARIK provides WEB and Serve 16441 1 26 Intellispace Inc. 20183 1 9 VeriCenter, Inc. 20474 1 8 NCI Data.com, Inc. 20485 1 24 JSC Transtelecom Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 63:4 66:2 193:3 198:1 200:4 202:56 203:55942 206:1 209:1 210:5 216:8 219:9 End of report