Routing Table Report 04:00 +10GMT Fri 17 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126468 Prefixes after maximum aggregation: 16002 Unique aggregates announced to Internet: 196 Total ASes present in the Internet Routing Table: 15920 Origin-only ASes present in the Internet Routing Table: 13786 Origin ASes announcing only one prefix: 6302 Transit ASes present in the Internet Routing Table: 2134 Transit-only ASes present in the Internet Routing Table: 74 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: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 632065 Equivalent to 0 /8s, 9 /16s and 165 /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: 744 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22598 Total APNIC prefixes after maximum aggregation: 2015 Prefixes being announced from the APNIC address blocks: 125707 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 1902 APNIC Region origin ASes announcing only one prefix: 557 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: 435713 Equivalent to 0 /8s, 6 /16s and 166 /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: 75688 Total ARIN prefixes after maximum aggregation: 8707 Prefixes being announced from the ARIN address blocks: 710 Unique aggregates announced from the ARIN address blocks: 28 ARIN Region origin ASes present in the Internet Routing Table: 8675 ARIN Region origin ASes announcing only one prefix: 2998 ARIN Region transit ASes present in the Internet Routing Table: 851 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 89088 Equivalent to 0 /8s, 1 /16s and 92 /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: 22822 Total RIPE prefixes after maximum aggregation: 4934 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4923 RIPE Region origin ASes announcing only one prefix: 2644 RIPE Region transit ASes present in the Internet Routing Table: 870 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 107264 Equivalent to 0 /8s, 1 /16s and 163 /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: 5345 Total LACNIC prefixes after maximum aggregation: 346 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 346 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 1120 0 1 Telstra Pty Ltd 2907 369 0 1 SINET Japan 4755 355 8 56 Videsh Sanchar Nigam Ltd. Aut 4134 346 0 1 Data Communications Bureau 703 334 0 2 UUNET 7474 334 0 2 Optus Communications Pty Ltd 2764 302 0 1 connect.com.au pty ltd 17557 285 0 1 Pakistan Telecom 17676 271 0 1 XTAGE CORPORATION 9583 243 0 1 Satyam Infoway Ltd., 4766 237 0 1 Korea Internet Exchange for " 3786 233 0 1 DACOM Corporation 9800 197 0 1 CHINA UNICOM 9498 185 0 1 BHARTI BT INTERNET LTD. 9443 182 0 1 Primus Telecommunications 4538 174 0 1 China Education and Research 9929 169 0 1 China Netcom Corp. 9942 158 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 1427 0 1 UUNET Technologies, Inc. 7018 1365 0 1 AT&T 1239 929 0 1 Sprint 3908 929 0 1 Supernet, Inc. 18566 709 0 1 Covad Communications 4323 679 0 1 Time Warner Communications, I 6197 641 0 1 BellSouth Network Solutions, 3356 595 0 1 Level 3 Communications, LLC 6198 572 0 1 BellSouth Network Solutions, 7843 528 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 513 0 1 Qwest 20115 484 0 1 Charter Communications 690 411 0 1 Merit Network 705 397 0 1 UUNET Technologies, Inc. 4355 389 0 1 EarthLink, Inc. 2386 380 0 1 AT&T Data Communications Serv 6347 342 0 1 SAVVIS Communications Corpora 19029 337 0 1 New Edge Networks 3561 336 0 1 Cable & Wireless USA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 710 0 1 UUNET - Commercial IP service 3301 299 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 186 0 1 BT Ignite European Backbone 5515 185 0 1 Sonera Solution Autonomous Sy 3215 184 0 1 France Telecom Transpac 786 176 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 158 0 1 Romania Data Systems S.A. 3303 149 0 1 Swisscom Ltd 3246 128 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 121 0 1 TELECOM ITALIA 25186 121 0 1 France Telecom Transpac's Tra 2856 115 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 339 0 1 ImpSat 8151 233 0 1 UniNet S.A. de C.V. 7303 219 0 1 Telecom Argentina Stet-France 11172 184 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6505 140 0 1 Global One Communicaoes Ltda 6503 127 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 6147 96 0 1 Telefonica Del Peru 11992 86 0 1 Integrated Systems 8065 83 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 67 0 1 Red de Interconexion Universi 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 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1365 1364 AT&T 1221 1120 1119 Telstra Pty Ltd 1239 929 928 Sprint 3908 929 928 Supernet, Inc. 702 710 709 UUNET - Commercial IP service 18566 709 708 Covad Communications 4323 679 678 Time Warner Communications, I 6197 641 640 BellSouth Network Solutions, 3356 595 594 Level 3 Communications, LLC 6198 572 571 BellSouth Network Solutions, 7843 528 527 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 513 512 Qwest 20115 484 483 Charter Communications 690 411 410 Merit Network 705 397 396 UUNET Technologies, Inc. 4355 389 388 EarthLink, Inc. 2386 380 379 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 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 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 /16:5 /17:11 /18:19 /19:10 /20:11 /21:225 /22:19 /23:460 /24:125703 /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 663 709 Covad Communications 2914 17 281 Verio, Inc. 3758 12 42 SingNet 813 9 65 UUNET Technologies, Inc. 30304 7 7 MyNetHost 7474 5 334 Optus Communications Pty Ltd 7633 5 129 Software Technology Parks of 4755 4 355 Videsh Sanchar Nigam Ltd. Aut 9129 2 20 UUNET Kenya 15542 2 19 ZeelandNet BV 24722 2 2 Babilon-T 24735 2 2 Antenna S.A 29914 2 3 Air Net Link, LLC. 6008 1 1 HQ USASC - USANETA 6467 1 44 E.Spire Communications, Inc. 7381 1 15 Sungard Recovery Services, In 7755 1 3 ComBase Communications 7911 1 17 Williams Communications Group 12268 1 1 DEXSTA Federal Credit Union 14991 1 2 ElkhartNet, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 62:2 63:1 64:2 67:1 69:2 164:5 165:1 198:1 199:2 200:1 202:30 203:60080 205:1 206:2 207:4 209:7 210:3 212:1 216:4 End of report