Routing Table Report 04:00 +10GMT Tue 09 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124759 Prefixes after maximum aggregation: 15820 Unique aggregates announced to Internet: 257 Total ASes present in the Internet Routing Table: 15694 Origin-only ASes present in the Internet Routing Table: 13569 Origin ASes announcing only one prefix: 6210 Transit ASes present in the Internet Routing Table: 2125 Transit-only ASes present in the Internet Routing Table: 73 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17392817 Equivalent to 1 /8s, 9 /16s and 100 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 805 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22282 Total APNIC prefixes after maximum aggregation: 2046 Prefixes being announced from the APNIC address blocks: 124018 Unique aggregates announced from the APNIC address blocks: 226 APNIC Region origin ASes present in the Internet Routing Table: 1873 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 312 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 479665 Equivalent to 0 /8s, 7 /16s and 81 /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: 75072 Total ARIN prefixes after maximum aggregation: 8592 Prefixes being announced from the ARIN address blocks: 693 Unique aggregates announced from the ARIN address blocks: 10 ARIN Region origin ASes present in the Internet Routing Table: 8580 ARIN Region origin ASes announcing only one prefix: 2950 ARIN Region transit ASes present in the Internet Routing Table: 848 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 9472 Equivalent to 0 /8s, 0 /16s and 37 /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: 22115 Total RIPE prefixes after maximum aggregation: 4837 Prefixes being announced from the RIPE address blocks: 32 Unique aggregates announced from the RIPE address blocks: 20 RIPE Region origin ASes present in the Internet Routing Table: 4823 RIPE Region origin ASes announcing only one prefix: 2614 RIPE Region transit ASes present in the Internet Routing Table: 865 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 126464 Equivalent to 0 /8s, 1 /16s and 238 /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: 5278 Total LACNIC prefixes after maximum aggregation: 345 Prefixes being announced from the LACNIC address blocks: 1 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: 70 Average LACNIC Region AS path length visible: 8.1 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 1151 0 1 Telstra Pty Ltd 4755 391 15 70 Videsh Sanchar Nigam Ltd. Aut 2907 364 0 1 SINET Japan 703 337 0 2 UUNET 7474 330 0 2 Optus Communications Pty Ltd 2764 321 1 20 connect.com.au pty ltd 4134 318 0 1 Data Communications Bureau 17557 303 0 1 Pakistan Telecom 17676 254 0 1 XTAGE CORPORATION 9583 247 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 224 0 1 Korea Internet Exchange for " 9800 201 0 1 CHINA UNICOM 9443 185 0 3 Primus Telecommunications 9498 181 0 1 BHARTI BT INTERNET LTD. 4538 171 0 1 China Education and Research 9942 156 8 30 COMindico Australia 9929 154 0 1 China Netcom Corp. 17642 154 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 1469 0 1 UUNET Technologies, Inc. 7018 1388 0 1 AT&T 3908 916 0 1 Supernet, Inc. 1239 906 0 1 Sprint 18566 675 0 1 Covad Communications 4323 633 0 1 Time Warner Communications, I 6197 612 0 1 BellSouth Network Solutions, 7843 554 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 209 510 0 1 Qwest 6198 496 0 1 BellSouth Network Solutions, 20115 483 0 1 Charter Communications 3356 475 0 1 Level 3 Communications, LLC 705 417 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 392 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 7132 361 0 1 Southwestern Bell Internet Se 6347 354 0 1 SAVVIS Communications Corpora 3549 350 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 718 0 1 UUNET - Commercial IP service 3301 295 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 8220 245 0 1 COLT Internet - International 1257 240 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 212 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 5400 178 0 1 BT Ignite European Backbone 719 172 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 125 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 112 0 1 BTnet UK Regional network 3352 104 0 1 Ibernet, Internet Access Netw 6746 88 0 1 Dynamic Network Technologies, 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 323 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 229 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 131 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 85 0 1 Telefonica Del Peru 8065 81 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 71 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 62 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 58 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1388 1387 AT&T 1221 1151 1150 Telstra Pty Ltd 3908 916 915 Supernet, Inc. 1239 906 905 Sprint 702 718 717 UUNET - Commercial IP service 18566 675 674 Covad Communications 4323 633 632 Time Warner Communications, I 6197 612 611 BellSouth Network Solutions, 7843 554 553 Adelphia Corp. 852 515 514 Telus Advanced Communications 209 510 509 Qwest 6198 496 495 BellSouth Network Solutions, 20115 483 482 Charter Communications 3356 475 474 Level 3 Communications, LLC 705 417 416 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 392 391 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 364 363 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65128 PRIVATE 203.14.8.16/24 32 Stanford University 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 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:2 /17:11 /18:17 /19:11 /20:8 /21:219 /22:30 /23:494 /24:123941 /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 665 675 Covad Communications 9942 31 156 COMindico Australia 2764 22 321 connect.com.au pty ltd 4755 18 391 Videsh Sanchar Nigam Ltd. Aut 2914 17 292 Verio, Inc. 6316 8 32 StarNet, Inc. 12455 6 26 Jambonet Autonomous system 7474 5 330 Optus Communications Pty Ltd 12634 3 7 CyberComm is an InterNet Acce 2561 2 53 Egyptian Universities Network 5664 2 3 Sheridan College 11548 2 38 Dragon Internet 21491 2 6 UTL On-line is RF broadband I 701 1 1469 UUNET Technologies, Inc. 1239 1 906 Sprint 2050 1 16 Sprint Enterprise Information 3542 1 4 DISA/UNRRA 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:5 66:2 69:1 142:1 144:1 193:3 195:2 198:1 202:43 203:58298 204:1 206:2 210:4 212:6 213:4 216:2 219:8 220:3 End of report