Routing Table Report 04:00 +10GMT Thu 31 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123544 Prefixes after maximum aggregation: 15620 Unique aggregates announced to Internet: 208 Total ASes present in the Internet Routing Table: 15518 Origin-only ASes present in the Internet Routing Table: 13427 Origin ASes announcing only one prefix: 6145 Transit ASes present in the Internet Routing Table: 2091 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 528289 Equivalent to 0 /8s, 8 /16s and 15 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 111 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21821 Total APNIC prefixes after maximum aggregation: 1996 Prefixes being announced from the APNIC address blocks: 123417 Unique aggregates announced from the APNIC address blocks: 189 APNIC Region origin ASes present in the Internet Routing Table: 1848 APNIC Region origin ASes announcing only one prefix: 539 APNIC Region transit ASes present in the Internet Routing Table: 308 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 422305 Equivalent to 0 /8s, 6 /16s and 113 /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: 74419 Total ARIN prefixes after maximum aggregation: 8528 Prefixes being announced from the ARIN address blocks: 32 Unique aggregates announced from the ARIN address blocks: 13 ARIN Region origin ASes present in the Internet Routing Table: 8513 ARIN Region origin ASes announcing only one prefix: 2917 ARIN Region transit ASes present in the Internet Routing Table: 832 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 7680 Equivalent to 0 /8s, 0 /16s and 30 /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: 22083 Total RIPE prefixes after maximum aggregation: 4755 Prefixes being announced from the RIPE address blocks: 21 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4747 RIPE Region origin ASes announcing only one prefix: 2594 RIPE Region transit ASes present in the Internet Routing Table: 853 Average RIPE Region AS path length visible: 7.3 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5210 Total LACNIC prefixes after maximum aggregation: 341 Prefixes being announced from the LACNIC address blocks: 5 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 340 LACNIC Region origin ASes announcing only one prefix: 95 LACNIC Region transit ASes present in the Internet Routing Table: 75 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 22 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 1155 0 1 Telstra Pty Ltd 4755 422 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 375 0 1 SINET Japan 2764 341 1 20 connect.com.au pty ltd 703 331 0 2 UUNET 7474 320 0 2 Optus Communications Pty Ltd 17557 316 0 1 Pakistan Telecom 17676 250 0 1 XTAGE CORPORATION 9583 241 0 1 Satyam Infoway Ltd., 3786 239 0 1 DACOM Corporation 4134 224 0 1 Data Communications Bureau 4766 218 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 166 0 1 China Education and Research 9498 157 0 1 BHARTI BT INTERNET LTD. 9929 151 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 140 0 1 TATA ISP 4716 132 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1473 0 1 UUNET Technologies, Inc. 7018 1360 0 2 AT&T 1239 972 0 1 Sprint 3908 893 0 1 Supernet, Inc. 7132 849 0 1 Southwestern Bell Internet Se 4323 616 0 1 Time Warner Communications, I 7843 605 0 1 Adelphia Corp. 6197 558 0 1 BellSouth Network Solutions, 209 525 0 1 Qwest 852 522 0 1 Telus Advanced Communications 6198 491 0 1 BellSouth Network Solutions, 705 482 0 1 UUNET Technologies, Inc. 20115 472 0 1 Charter Communications 690 435 0 1 Merit Network 3356 434 0 1 Level 3 Communications, LLC 4355 401 0 1 EarthLink, Inc. 2386 398 0 1 AT&T Data Communications Serv 6347 358 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated 1 349 0 1 GENUITY RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1008 0 1 UUNET - Commercial IP service 3301 288 0 1 TeliaNet Sweden 3320 260 0 1 Deutsche Telekom AG 8220 238 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 3215 214 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 164 0 1 BT Ignite European Backbone 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 110 0 1 Ibernet, Internet Access Netw 5511 99 0 1 France Telecom 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 220 0 1 UniNet S.A. de C.V. 11172 178 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 122 0 1 TVCABLE BOGOTA 6147 91 0 1 Telefonica Del Peru 11992 90 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 13999 67 0 1 Mega Cable S.A. de C.V. 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 7984 60 0 1 Global One Colombia 11562 58 0 1 Net-Uno, C.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1360 1358 AT&T 1221 1155 1154 Telstra Pty Ltd 702 1008 1007 UUNET - Commercial IP service 1239 972 971 Sprint 3908 893 892 Supernet, Inc. 7132 849 848 Southwestern Bell Internet Se 4323 616 615 Time Warner Communications, I 7843 605 604 Adelphia Corp. 6197 558 557 BellSouth Network Solutions, 209 525 524 Qwest 852 522 521 Telus Advanced Communications 6198 491 490 BellSouth Network Solutions, 705 482 481 UUNET Technologies, Inc. 20115 472 471 Charter Communications 690 435 434 Merit Network 3356 434 433 Level 3 Communications, LLC 4355 401 400 EarthLink, Inc. 2386 398 397 AT&T Data Communications Serv 2907 375 374 SINET Japan 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 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 /16:39 /17:10 /18:16 /19:19 /20:5 /21:14 /22:16 /23:19 /24:123380 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 341 connect.com.au pty ltd 2914 18 303 Verio, Inc. 4755 18 422 Videsh Sanchar Nigam Ltd. Aut 3848 12 37 WorldLinx Telecommunications, 6316 8 39 StarNet, Inc. 8233 8 14 TeliaNet UK 7474 5 320 Optus Communications Pty Ltd 11733 3 4 TBI, Ltd 1299 2 18 TeliaNet Global Network 4799 2 64 Ji Tong Communications Co., L 20972 2 2 Officine Informatiche Srl 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6910 1 1 Dial Telecom S.R.L. 7381 1 16 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 11250 1 11 Tri-State Generation and Tran 16441 1 27 Intellispace Inc. 20183 1 9 VeriCenter, Inc. 26974 1 15 bigbyte.cc Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 65:1 142:9 152:2 192:2 195:9 198:10 199:2 200:4 202:43 203:57723 204:3 205:1 206:1 208:1 210:5 219:8 End of report