Routing Table Report 04:00 +10GMT Mon 04 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123480 Prefixes after maximum aggregation: 15647 Unique aggregates announced to Internet: 235 Total ASes present in the Internet Routing Table: 15539 Origin-only ASes present in the Internet Routing Table: 13437 Origin ASes announcing only one prefix: 6153 Transit ASes present in the Internet Routing Table: 2102 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 36 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 579745 Equivalent to 0 /8s, 8 /16s and 216 /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: 107 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21865 Total APNIC prefixes after maximum aggregation: 2002 Prefixes being announced from the APNIC address blocks: 123411 Unique aggregates announced from the APNIC address blocks: 204 APNIC Region origin ASes present in the Internet Routing Table: 1848 APNIC Region origin ASes announcing only one prefix: 538 APNIC Region transit ASes present in the Internet Routing Table: 311 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 435361 Equivalent to 0 /8s, 6 /16s and 164 /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: 74520 Total ARIN prefixes after maximum aggregation: 8536 Prefixes being announced from the ARIN address blocks: 27 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8526 ARIN Region origin ASes announcing only one prefix: 2920 ARIN Region transit ASes present in the Internet Routing Table: 842 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 24064 Equivalent to 0 /8s, 0 /16s and 94 /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: 21870 Total RIPE prefixes after maximum aggregation: 4767 Prefixes being announced from the RIPE address blocks: 34 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 4751 RIPE Region origin ASes announcing only one prefix: 2599 RIPE Region transit ASes present in the Internet Routing Table: 853 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 120320 Equivalent to 0 /8s, 1 /16s and 214 /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: 5213 Total LACNIC prefixes after maximum aggregation: 342 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: 342 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 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 1158 0 1 Telstra Pty Ltd 4755 424 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 374 0 1 SINET Japan 2764 332 1 20 connect.com.au pty ltd 703 330 0 2 UUNET 7474 322 0 2 Optus Communications Pty Ltd 17557 309 0 1 Pakistan Telecom 17676 250 0 1 XTAGE CORPORATION 9583 241 0 1 Satyam Infoway Ltd., 3786 239 0 1 DACOM Corporation 4134 225 0 1 Data Communications Bureau 4766 222 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 160 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 131 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 1368 0 1 AT&T 1239 974 0 1 Sprint 3908 898 0 1 Supernet, Inc. 7132 851 0 1 Southwestern Bell Internet Se 4323 621 0 1 Time Warner Communications, I 7843 600 0 1 Adelphia Corp. 6197 554 0 1 BellSouth Network Solutions, 209 523 0 1 Qwest 852 522 0 1 Telus Advanced Communications 6198 499 0 1 BellSouth Network Solutions, 705 482 0 1 UUNET Technologies, Inc. 20115 472 0 1 Charter Communications 3356 438 0 1 Level 3 Communications, LLC 690 435 0 1 Merit Network 4355 402 0 1 EarthLink, Inc. 2386 398 0 1 AT&T Data Communications Serv 6347 359 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated 19029 350 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 727 0 1 UUNET - Commercial IP service 3301 288 0 1 TeliaNet Sweden 3320 257 0 1 Deutsche Telekom AG 8220 246 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 3215 212 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 786 177 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 111 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 289 0 1 ImpSat 7303 239 0 1 Telecom Argentina Stet-France 8151 221 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 131 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 73 0 1 Fundacao de Amparo a Pesquisa 11830 71 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 13999 68 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 1368 1367 AT&T 1221 1158 1157 Telstra Pty Ltd 1239 974 973 Sprint 3908 898 897 Supernet, Inc. 7132 851 850 Southwestern Bell Internet Se 702 727 726 UUNET - Commercial IP service 4323 621 620 Time Warner Communications, I 7843 600 599 Adelphia Corp. 6197 554 553 BellSouth Network Solutions, 209 523 522 Qwest 852 522 521 Telus Advanced Communications 6198 499 498 BellSouth Network Solutions, 705 482 481 UUNET Technologies, Inc. 20115 472 471 Charter Communications 3356 438 437 Level 3 Communications, LLC 690 435 434 Merit Network 4355 402 401 EarthLink, Inc. 2386 398 397 AT&T Data Communications Serv 2907 374 373 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 65530 PRIVATE 203.14.8.16/24 10466 Mid Atlantic GigaPOP 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 /16:3 /17:9 /18:15 /19:23 /20:7 /21:17 /22:20 /23:22 /24:123338 /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 23 332 connect.com.au pty ltd 2914 18 302 Verio, Inc. 4755 18 424 Videsh Sanchar Nigam Ltd. Aut 6316 8 39 StarNet, Inc. 8233 8 12 TeliaNet UK 9154 7 25 INTERNET BULGARIA Ltd. AS 7474 5 322 Optus Communications Pty Ltd 1299 2 19 TeliaNet Global Network 14545 2 2 MACI.Net 2643 1 1 IHEP-SU AS 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 5495 1 15 University Network 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 16 Sungard Recovery Services, In 8685 1 33 DorukNet Istanbul / Turkey 8931 1 1 MOLDPAC S.A. 9299 1 3 Philippine Long Distance Tele 11919 1 31 Loral Orion Services Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 81:1 192:1 193:1 194:1 195:8 198:1 202:46 203:57704 206:1 208:1 210:5 212:2 213:1 217:1 219:8 End of report