Routing Table Report 04:00 +10GMT Mon 15 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124777 Prefixes after maximum aggregation: 15849 Unique aggregates announced to Internet: 237 Total ASes present in the Internet Routing Table: 15737 Origin-only ASes present in the Internet Routing Table: 13611 Origin ASes announcing only one prefix: 6220 Transit ASes present in the Internet Routing Table: 2126 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 36 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 584113 Equivalent to 0 /8s, 8 /16s and 233 /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: 799 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22311 Total APNIC prefixes after maximum aggregation: 2051 Prefixes being announced from the APNIC address blocks: 124052 Unique aggregates announced from the APNIC address blocks: 227 APNIC Region origin ASes present in the Internet Routing Table: 1878 APNIC Region origin ASes announcing only one prefix: 551 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 478897 Equivalent to 0 /8s, 7 /16s and 78 /24s Percentage of available APNIC address space announced: 0.3 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: 75011 Total ARIN prefixes after maximum aggregation: 8608 Prefixes being announced from the ARIN address blocks: 683 Unique aggregates announced from the ARIN address blocks: 2 ARIN Region origin ASes present in the Internet Routing Table: 8604 ARIN Region origin ASes announcing only one prefix: 2961 ARIN Region transit ASes present in the Internet Routing Table: 851 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 2304 Equivalent to 0 /8s, 0 /16s and 9 /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: 22132 Total RIPE prefixes after maximum aggregation: 4846 Prefixes being announced from the RIPE address blocks: 33 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4834 RIPE Region origin ASes announcing only one prefix: 2611 RIPE Region transit ASes present in the Internet Routing Table: 863 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 102912 Equivalent to 0 /8s, 1 /16s and 146 /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: 5311 Total LACNIC prefixes after maximum aggregation: 344 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: 344 LACNIC Region origin ASes announcing only one prefix: 97 LACNIC Region transit ASes present in the Internet Routing Table: 71 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 1146 0 1 Telstra Pty Ltd 4755 394 15 71 Videsh Sanchar Nigam Ltd. Aut 2907 369 0 1 SINET Japan 703 336 0 2 UUNET 7474 330 0 2 Optus Communications Pty Ltd 2764 322 1 20 connect.com.au pty ltd 4134 319 0 1 Data Communications Bureau 17557 306 0 1 Pakistan Telecom 17676 259 0 1 XTAGE CORPORATION 9583 251 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 202 0 1 CHINA UNICOM 9443 184 0 3 Primus Telecommunications 9498 181 0 1 BHARTI BT INTERNET LTD. 4538 171 0 1 China Education and Research 9942 161 8 30 COMindico Australia 9929 155 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 4739 142 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1464 0 1 UUNET Technologies, Inc. 7018 1393 0 1 AT&T 1239 914 0 1 Sprint 3908 908 0 1 Supernet, Inc. 18566 678 0 1 Covad Communications 4323 636 0 1 Time Warner Communications, I 6197 614 0 1 BellSouth Network Solutions, 7843 534 0 1 Adelphia Corp. 3356 515 0 1 Level 3 Communications, LLC 852 514 0 1 Telus Advanced Communications 209 508 0 1 Qwest 6198 492 0 1 BellSouth Network Solutions, 20115 484 0 1 Charter Communications 705 416 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 391 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 351 0 1 SAVVIS Communications Corpora 3549 344 0 1 Global Crossing 19029 344 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 709 0 1 UUNET - Commercial IP service 3301 295 0 1 TeliaNet Sweden 3320 269 0 1 Deutsche Telekom AG 8220 266 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 3215 201 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 5400 180 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 147 0 1 Romania Data Systems S.A. 3303 143 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 126 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 112 0 1 BTnet UK Regional network 3352 98 0 1 Ibernet, Internet Access Netw 25186 98 0 1 France Telecom Transpac's Tra 6746 88 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 335 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 231 0 1 UniNet S.A. de C.V. 11172 189 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 129 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 6147 89 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 8065 82 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 75 0 1 Telefonica Empresas 11830 73 0 1 Instituto Costarricense de El 1916 70 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 7927 68 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 60 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 57 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1393 1392 AT&T 1221 1146 1145 Telstra Pty Ltd 1239 914 913 Sprint 3908 908 907 Supernet, Inc. 702 709 708 UUNET - Commercial IP service 18566 678 677 Covad Communications 4323 636 635 Time Warner Communications, I 6197 614 613 BellSouth Network Solutions, 7843 534 533 Adelphia Corp. 3356 515 514 Level 3 Communications, LLC 852 514 513 Telus Advanced Communications 209 508 507 Qwest 6198 492 491 BellSouth Network Solutions, 20115 484 483 Charter Communications 705 416 415 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 391 390 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 369 368 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 1876 Southern Methodist U 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 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 /16:0 /17:10 /18:16 /19:6 /20:9 /21:220 /22:26 /23:492 /24:123973 /25:4 /26:1 /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 18566 668 678 Covad Communications 9942 34 161 COMindico Australia 2764 22 322 connect.com.au pty ltd 4755 18 394 Videsh Sanchar Nigam Ltd. Aut 2914 17 291 Verio, Inc. 6316 7 33 StarNet, Inc. 7474 5 330 Optus Communications Pty Ltd 3216 4 30 Teleross, Moscow, Russia 21149 4 6 UKRFERRY ISP Autonomous Syste 21391 4 6 TDA AS Maintainer 21278 2 2 General Computing Systems 27436 2 2 Edelman Public Relat 2643 1 3 IHEP-SU AS 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 5425 1 40 SpiderNet Services Ltd 6085 1 1 SITA Network Operations Cente 6347 1 351 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 19 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 64:3 69:1 80:10 81:1 192:4 194:3 195:2 198:1 202:42 203:58334 206:1 210:4 219:8 220:6 End of report