Routing Table Report 04:00 +10GMT Sat 13 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124548 Prefixes after maximum aggregation: 15840 Unique aggregates announced to Internet: 260 Total ASes present in the Internet Routing Table: 15720 Origin-only ASes present in the Internet Routing Table: 13593 Origin ASes announcing only one prefix: 6230 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 627633 Equivalent to 0 /8s, 9 /16s and 147 /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: 795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22286 Total APNIC prefixes after maximum aggregation: 2033 Prefixes being announced from the APNIC address blocks: 123817 Unique aggregates announced from the APNIC address blocks: 227 APNIC Region origin ASes present in the Internet Routing Table: 1862 APNIC Region origin ASes announcing only one prefix: 547 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: 494769 Equivalent to 0 /8s, 7 /16s and 140 /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: 74904 Total ARIN prefixes after maximum aggregation: 8615 Prefixes being announced from the ARIN address blocks: 699 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8601 ARIN Region origin ASes announcing only one prefix: 2965 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: 10496 Equivalent to 0 /8s, 0 /16s and 41 /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: 22035 Total RIPE prefixes after maximum aggregation: 4847 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 19 RIPE Region origin ASes present in the Internet Routing Table: 4835 RIPE Region origin ASes announcing only one prefix: 2621 RIPE Region transit ASes present in the Internet Routing Table: 866 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 122368 Equivalent to 0 /8s, 1 /16s and 222 /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: 345 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: 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 1145 0 1 Telstra Pty Ltd 4755 395 15 70 Videsh Sanchar Nigam Ltd. Aut 2907 369 0 1 SINET Japan 703 336 0 2 UUNET 7474 331 0 2 Optus Communications Pty Ltd 2764 321 1 20 connect.com.au pty ltd 4134 316 0 1 Data Communications Bureau 17557 306 0 1 Pakistan Telecom 17676 259 0 1 XTAGE CORPORATION 9583 253 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 201 0 1 CHINA UNICOM 9443 184 0 3 Primus Telecommunications 9498 180 0 1 BHARTI BT INTERNET LTD. 4538 171 0 1 China Education and Research 9942 161 8 30 COMindico Australia 9829 158 0 1 National Internet Backbone 9929 155 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1468 0 1 UUNET Technologies, Inc. 7018 1390 0 1 AT&T 1239 915 0 1 Sprint 3908 907 0 1 Supernet, Inc. 18566 678 0 1 Covad Communications 4323 636 0 1 Time Warner Communications, I 6197 613 0 1 BellSouth Network Solutions, 7843 526 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 493 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 392 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 350 0 1 SAVVIS Communications Corpora 3549 347 0 1 Global Crossing 19029 343 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 247 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 232 0 1 SWIPnet Swedish IP Network 3215 200 0 1 France Telecom Transpac 5515 185 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 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 234 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 6147 89 0 1 Telefonica Del Peru 11992 89 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 7927 68 0 1 Global One Venezuela 4270 67 0 1 Red de Interconexion Universi 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 1390 1389 AT&T 1221 1145 1144 Telstra Pty Ltd 1239 915 914 Sprint 3908 907 906 Supernet, Inc. 702 709 708 UUNET - Commercial IP service 18566 678 677 Covad Communications 4323 636 635 Time Warner Communications, I 6197 613 612 BellSouth Network Solutions, 7843 526 525 Adelphia Corp. 852 515 514 Telus Advanced Communications 3356 514 513 Level 3 Communications, LLC 209 509 508 Qwest 6198 493 492 BellSouth Network Solutions, 20115 484 483 Charter Communications 705 416 415 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 392 391 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 /16:2 /17:10 /18:17 /19:11 /20:6 /21:220 /22:27 /23:498 /24:123732 /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 22 321 connect.com.au pty ltd 4755 18 395 Videsh Sanchar Nigam Ltd. Aut 2914 17 291 Verio, Inc. 6316 7 33 StarNet, Inc. 12455 6 26 Jambonet Autonomous system 7474 5 331 Optus Communications Pty Ltd 18885 2 47 Wave2Wave Communications, Inc 3549 1 347 Global Crossing 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6001 1 14 HQ USASC - USANETA 6085 1 1 SITA Network Operations Cente 6347 1 350 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 10730 1 6 TBC Group 17860 1 5 WEBZEN 21211 1 1 LT-2010 Vilnius Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 63:1 64:3 65:1 66:1 69:1 144:1 192:2 198:1 202:44 203:58095 206:1 209:2 210:4 212:8 219:8 220:6 End of report