Routing Table Report 04:00 +10GMT Sun 19 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126574 Prefixes after maximum aggregation: 15974 Unique aggregates announced to Internet: 162 Total ASes present in the Internet Routing Table: 15931 Origin-only ASes present in the Internet Routing Table: 13791 Origin ASes announcing only one prefix: 6317 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 30 Illegal AS announcements present in the Routing Table: 7 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 535553 Equivalent to 0 /8s, 8 /16s and 44 /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: 720 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22686 Total APNIC prefixes after maximum aggregation: 2011 Prefixes being announced from the APNIC address blocks: 125864 Unique aggregates announced from the APNIC address blocks: 152 APNIC Region origin ASes present in the Internet Routing Table: 1900 APNIC Region origin ASes announcing only one prefix: 556 APNIC Region transit ASes present in the Internet Routing Table: 314 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 434433 Equivalent to 0 /8s, 6 /16s and 161 /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: 75667 Total ARIN prefixes after maximum aggregation: 8683 Prefixes being announced from the ARIN address blocks: 670 Unique aggregates announced from the ARIN address blocks: 2 ARIN Region origin ASes present in the Internet Routing Table: 8680 ARIN Region origin ASes announcing only one prefix: 3005 ARIN Region transit ASes present in the Internet Routing Table: 859 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 26 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: 22796 Total RIPE prefixes after maximum aggregation: 4933 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4927 RIPE Region origin ASes announcing only one prefix: 2653 RIPE Region transit ASes present in the Internet Routing Table: 867 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 98816 Equivalent to 0 /8s, 1 /16s and 130 /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 30720 - 31743 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: 5409 Total LACNIC prefixes after maximum aggregation: 347 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: 347 LACNIC Region origin ASes announcing only one prefix: 103 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.3 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 1127 0 1 Telstra Pty Ltd 2907 367 0 1 SINET Japan 4755 351 8 59 Videsh Sanchar Nigam Ltd. Aut 4134 346 0 1 Data Communications Bureau 7474 335 0 2 Optus Communications Pty Ltd 703 334 0 2 UUNET 2764 302 0 1 connect.com.au pty ltd 17557 285 0 1 Pakistan Telecom 17676 271 0 1 XTAGE CORPORATION 9583 257 0 1 Satyam Infoway Ltd., 4766 238 0 1 Korea Internet Exchange for " 3786 233 0 1 DACOM Corporation 4538 214 0 1 China Education and Research 9800 202 0 1 CHINA UNICOM 9498 185 0 1 BHARTI BT INTERNET LTD. 9443 182 0 1 Primus Telecommunications 9929 169 0 1 China Netcom Corp. 9942 160 0 4 COMindico Australia 17642 153 0 3 RequestDSL BGP AS# for Sydney 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1425 0 1 UUNET Technologies, Inc. 7018 1359 0 1 AT&T 3908 938 0 1 Supernet, Inc. 1239 929 0 1 Sprint 18566 710 0 1 Covad Communications 4323 683 0 1 Time Warner Communications, I 6197 638 0 1 BellSouth Network Solutions, 3356 598 0 1 Level 3 Communications, LLC 6198 571 0 1 BellSouth Network Solutions, 7843 530 0 1 Adelphia Corp. 209 519 0 1 Qwest 852 516 0 1 Telus Advanced Communications 20115 484 0 1 Charter Communications 690 411 0 1 Merit Network 705 398 0 1 UUNET Technologies, Inc. 4355 389 0 1 EarthLink, Inc. 2386 381 0 1 AT&T Data Communications Serv 6347 346 0 1 SAVVIS Communications Corpora 19029 336 0 1 New Edge Networks 3561 334 0 1 Cable & Wireless USA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 712 0 1 UUNET - Commercial IP service 3301 300 0 1 TeliaNet Sweden 3320 276 0 1 Deutsche Telekom AG 8220 258 0 1 COLT Internet - International 1257 238 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5400 185 0 1 BT Ignite European Backbone 5515 185 0 1 Sonera Solution Autonomous Sy 786 176 0 1 The JANET IP Service 3215 174 0 1 France Telecom Transpac 719 173 0 1 LANLINK autonomous system 8708 160 0 1 Romania Data Systems S.A. 3303 149 0 1 Swisscom Ltd 25186 131 0 1 France Telecom Transpac's Tra 3246 127 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 121 0 1 TELECOM ITALIA 2856 116 0 1 BTnet UK Regional network 3352 99 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 337 0 1 ImpSat 8151 236 0 1 UniNet S.A. de C.V. 7303 219 0 1 Telecom Argentina Stet-France 11172 191 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6505 141 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 6147 106 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 84 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 11830 75 0 1 Instituto Costarricense de El 15311 75 0 1 Telefonica Empresas 4270 66 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 1916 59 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. 5639 57 0 1 Telecommunications Services o Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1359 1358 AT&T 1221 1127 1126 Telstra Pty Ltd 3908 938 937 Supernet, Inc. 1239 929 928 Sprint 702 712 711 UUNET - Commercial IP service 18566 710 709 Covad Communications 4323 683 682 Time Warner Communications, I 6197 638 637 BellSouth Network Solutions, 3356 598 597 Level 3 Communications, LLC 6198 571 570 BellSouth Network Solutions, 7843 530 529 Adelphia Corp. 209 519 518 Qwest 852 516 515 Telus Advanced Communications 20115 484 483 Charter Communications 690 411 410 Merit Network 705 398 397 UUNET Technologies, Inc. 4355 389 388 EarthLink, Inc. 2386 381 380 AT&T Data Communications Serv 2907 367 366 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65503 PRIVATE 203.14.8.16/24 4775 Telecom Carrier / 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 /16:4 /17:10 /18:17 /19:6 /20:4 /21:225 /22:11 /23:455 /24:125837 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 664 710 Covad Communications 2914 17 280 Verio, Inc. 3758 12 42 SingNet 7474 5 335 Optus Communications Pty Ltd 7633 5 129 Software Technology Parks of 4755 4 351 Videsh Sanchar Nigam Ltd. Aut 15542 2 19 ZeelandNet BV 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 11548 1 36 Dragon Internet 17488 1 86 Hathway IP Over Cable Interne 18101 1 29 Reliance Infocom Ltd Internet 19325 1 5 Data-Vision, Inc. 25118 1 1 Web-Com ISP 25132 1 1 Relcom Podoliya ISP 25594 1 1 Calik Holding, Turkey 29541 1 1 Lviv Local Area Network 29859 1 48 WideOpenWest LLC Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:17 62:2 63:1 64:3 69:1 162:1 164:5 165:1 192:2 202:32 203:60229 206:1 210:3 212:1 217:1 End of report