Routing Table Report 04:00 +10GMT Tue 16 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124913 Prefixes after maximum aggregation: 15894 Unique aggregates announced to Internet: 276 Total ASes present in the Internet Routing Table: 15746 Origin-only ASes present in the Internet Routing Table: 13619 Origin ASes announcing only one prefix: 6229 Transit ASes present in the Internet Routing Table: 2127 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: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 656305 Equivalent to 0 /8s, 10 /16s and 3 /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: 819 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22295 Total APNIC prefixes after maximum aggregation: 2056 Prefixes being announced from the APNIC address blocks: 124151 Unique aggregates announced from the APNIC address blocks: 231 APNIC Region origin ASes present in the Internet Routing Table: 1882 APNIC Region origin ASes announcing only one prefix: 551 APNIC Region transit ASes present in the Internet Routing Table: 310 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 479921 Equivalent to 0 /8s, 7 /16s and 82 /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: 75023 Total ARIN prefixes after maximum aggregation: 8642 Prefixes being announced from the ARIN address blocks: 726 Unique aggregates announced from the ARIN address blocks: 38 ARIN Region origin ASes present in the Internet Routing Table: 8603 ARIN Region origin ASes announcing only one prefix: 2969 ARIN Region transit ASes present in the Internet Routing Table: 847 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 77568 Equivalent to 0 /8s, 1 /16s and 47 /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: 22253 Total RIPE prefixes after maximum aggregation: 4850 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4839 RIPE Region origin ASes announcing only one prefix: 2612 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: 31 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 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: 5325 Total LACNIC prefixes after maximum aggregation: 346 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: 345 LACNIC Region origin ASes announcing only one prefix: 97 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 1147 0 1 Telstra Pty Ltd 4755 393 15 70 Videsh Sanchar Nigam Ltd. Aut 2907 369 0 1 SINET Japan 703 337 0 4 UUNET 7474 332 0 2 Optus Communications Pty Ltd 2764 322 1 20 connect.com.au pty ltd 4134 319 0 1 Data Communications Bureau 17557 305 0 1 Pakistan Telecom 17676 259 0 1 XTAGE CORPORATION 3786 237 0 1 DACOM Corporation 4766 233 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9443 184 0 3 Primus Telecommunications 9498 181 0 1 BHARTI BT INTERNET LTD. 4538 170 0 1 China Education and Research 9942 168 8 30 COMindico Australia 9583 159 0 1 Satyam Infoway Ltd., 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 1454 0 1 UUNET Technologies, Inc. 7018 1394 0 1 AT&T 1239 912 0 1 Sprint 3908 908 0 1 Supernet, Inc. 18566 679 0 1 Covad Communications 4323 636 0 1 Time Warner Communications, I 6197 612 0 1 BellSouth Network Solutions, 7843 524 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 3356 514 0 1 Level 3 Communications, LLC 209 509 0 1 Qwest 6198 492 0 1 BellSouth Network Solutions, 20115 481 0 1 Charter Communications 705 416 0 5 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 355 0 1 SAVVIS Communications Corpora 19029 344 0 1 New Edge Networks 7132 341 0 1 Southwestern Bell Internet Se RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 710 0 1 UUNET - Commercial IP service 3301 296 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 228 0 1 SWIPnet Swedish IP Network 3215 200 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 155 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 89 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 241 0 1 Telecom Argentina Stet-France 8151 233 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 130 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 90 0 1 Integrated Systems 6147 89 0 1 Telefonica Del Peru 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 7984 59 0 2 Global One Colombia 13999 58 0 1 Mega Cable S.A. de C.V. 4926 57 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1394 1393 AT&T 1221 1147 1146 Telstra Pty Ltd 1239 912 911 Sprint 3908 908 907 Supernet, Inc. 702 710 709 UUNET - Commercial IP service 18566 679 678 Covad Communications 4323 636 635 Time Warner Communications, I 6197 612 611 BellSouth Network Solutions, 7843 524 523 Adelphia Corp. 852 515 514 Telus Advanced Communications 3356 514 513 Level 3 Communications, LLC 209 509 508 Qwest 6198 492 491 BellSouth Network Solutions, 20115 481 480 Charter Communications 705 416 411 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 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 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 /16:11 /17:10 /18:16 /19:10 /20:8 /21:222 /22:33 /23:500 /24:124078 /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 668 679 Covad Communications 9942 34 168 COMindico Australia 2764 22 322 connect.com.au pty ltd 6428 20 31 CDM 4755 18 393 Videsh Sanchar Nigam Ltd. Aut 2914 17 291 Verio, Inc. 2199 8 8 FR-DOM-MARTINIQUE 6316 7 33 StarNet, Inc. 11653 7 10 ESS/PR WebMasters 7474 5 332 Optus Communications Pty Ltd 3908 1 908 Supernet, Inc. 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6347 1 355 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 8134 1 5 Baraga Telephone Company 11381 1 3 New Frontiers Internet Servic 17860 1 5 WEBZEN Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 63:3 64:3 69:1 80:1 192:1 193:1 194:4 195:3 198:1 202:42 203:58433 206:2 208:1 209:4 210:4 216:7 219:8 220:6 End of report