Routing Table Report 04:00 +10GMT Sat 03 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122201 Prefixes after maximum aggregation: 15109 Unique aggregates announced to Internet: 195 Total ASes present in the Internet Routing Table: 15023 Origin-only ASes present in the Internet Routing Table: 13017 Origin ASes announcing only one prefix: 5948 Transit ASes present in the Internet Routing Table: 2006 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 286449 Equivalent to 0 /8s, 4 /16s and 94 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 104 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21234 Total APNIC prefixes after maximum aggregation: 1909 Prefixes being announced from the APNIC address blocks: 122130 Unique aggregates announced from the APNIC address blocks: 178 APNIC Region origin ASes present in the Internet Routing Table: 1775 APNIC Region origin ASes announcing only one prefix: 530 APNIC Region transit ASes present in the Internet Routing Table: 300 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 178673 Equivalent to 0 /8s, 2 /16s and 185 /24s Percentage of available APNIC address space announced: 0.1 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: 74439 Total ARIN prefixes after maximum aggregation: 8317 Prefixes being announced from the ARIN address blocks: 22 Unique aggregates announced from the ARIN address blocks: 11 ARIN Region origin ASes present in the Internet Routing Table: 8307 ARIN Region origin ASes announcing only one prefix: 2853 ARIN Region transit ASes present in the Internet Routing Table: 790 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 13568 Equivalent to 0 /8s, 0 /16s and 53 /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: 21342 Total RIPE prefixes after maximum aggregation: 4550 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4546 RIPE Region origin ASes announcing only one prefix: 2476 RIPE Region transit ASes present in the Internet Routing Table: 824 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 94208 Equivalent to 0 /8s, 1 /16s and 112 /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: 5178 Total LACNIC prefixes after maximum aggregation: 333 Prefixes being announced from the LACNIC address blocks: 19 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 333 LACNIC Region origin ASes announcing only one prefix: 89 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 25 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 1211 0 1 Telstra Pty Ltd 4755 441 39 72 Videsh Sanchar Nigam Ltd. Aut 703 394 0 2 UUNET 2907 386 0 1 SINET Japan 2764 376 2 32 connect.com.au pty ltd 17557 375 0 1 Pakistan Telecom 7474 320 0 2 Optus Communications Pty Ltd 4814 297 0 1 China Telecom (Group) 17676 243 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 225 0 1 Data Communications Bureau 9583 220 0 1 Satyam Infoway Ltd., 4766 216 0 1 Korea Internet Exchange for " 9443 180 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 9238 140 0 1 TATA ISP 4739 137 0 2 Commerical Internet eXchange 9498 130 0 1 BHARTI BT INTERNET LTD. 4716 126 0 1 TTnet 4515 124 0 1 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1540 0 1 UUNET Technologies, Inc. 7018 1329 0 1 AT&T 4151 1019 0 1 USDA 1239 964 0 1 Sprint 7132 961 0 1 Southwestern Bell Internet Se 3908 897 0 1 Supernet, Inc. 7843 684 0 1 Adelphia Corp. 4323 587 0 1 Time Warner Communications, I 1 580 0 1 GENUITY 852 547 0 1 Telus Advanced Communications 2386 545 0 1 AT&T Data Communications Serv 705 529 0 1 UUNET Technologies, Inc. 3561 504 0 1 Cable & Wireless USA 209 492 0 2 Qwest 690 487 0 1 Merit Network 6197 478 0 1 BellSouth Network Solutions, 20115 476 0 1 Charter Communications 6198 460 0 1 BellSouth Network Solutions, 3549 381 0 1 Global Crossing 4355 381 0 1 EarthLink, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 759 0 1 UUNET - Commercial IP service 3301 308 0 1 TeliaNet Sweden 3215 304 0 1 France Telecom Transpac 3320 264 0 1 Deutsche Telekom AG 680 231 0 1 DFN-IP service G-WiN 1257 225 0 1 SWIPnet Swedish IP Network 8220 199 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 186 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 20858 165 0 1 This AS will be used to conne 8708 162 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3269 112 0 1 TELECOM ITALIA 3246 109 0 1 Song Networks 3352 108 0 1 Ibernet, Internet Access Netw 2874 102 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 289 0 1 ImpSat 7303 255 0 1 Telecom Argentina Stet-France 8151 223 0 1 UniNet S.A. de C.V. 11172 166 0 1 Servicios Alestra S.A de C.V 16814 139 0 1 NSS, S.A. 6503 138 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 91 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 74 0 1 Mega Cable S.A. de C.V. 1916 73 0 1 Fundacao de Amparo a Pesquisa 6535 73 0 1 Chilesat Servicios Empresari 8065 72 0 1 Empresas Publicas de Medellin 15311 72 0 1 Telefonica Empresas 4270 67 0 1 Red de Interconexion Universi 11830 67 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia 15034 60 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1329 1328 AT&T 1221 1211 1210 Telstra Pty Ltd 4151 1019 1018 USDA 1239 964 963 Sprint 7132 961 960 Southwestern Bell Internet Se 3908 897 896 Supernet, Inc. 702 759 758 UUNET - Commercial IP service 7843 684 683 Adelphia Corp. 4323 587 586 Time Warner Communications, I 1 580 579 GENUITY 852 547 546 Telus Advanced Communications 2386 545 544 AT&T Data Communications Serv 705 529 528 UUNET Technologies, Inc. 3561 504 503 Cable & Wireless USA 209 492 490 Qwest 690 487 486 Merit Network 6197 478 477 BellSouth Network Solutions, 20115 476 475 Charter Communications 6198 460 459 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65100 PRIVATE 203.14.8.16/24 38 University of Illino 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 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 /16:3 /17:4 /18:7 /19:13 /20:9 /21:15 /22:24 /23:27 /24:122074 /25:5 /26:0 /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 2764 39 376 connect.com.au pty ltd 4755 20 441 Videsh Sanchar Nigam Ltd. Aut 2914 18 298 Verio, Inc. 7474 5 320 Optus Communications Pty Ltd 7571 5 19 Australian Academic and Rease 23284 3 4 Laurel Computer Systems Inc. 4589 1 68 Easynet Group 5400 1 193 BT Ignite European Backbone 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 7719 1 20 Up n Away Net Solutions 10431 1 40 Berkshire County Network 13536 1 7 Mid-Hudson Communications 16441 1 26 Intellispace Inc. 22607 1 3 Des Moines University 22896 1 1 Internet Access Technologies 24652 1 5 Juniper Networks, Europe, Mid 26250 1 1 Alpine Electronics Manufactur 27556 1 1 Internet Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 65:2 67:1 130:2 134:1 192:1 193:1 194:1 195:1 198:1 199:2 200:13 202:61 203:56405 204:1 205:2 206:1 208:2 210:13 216:1 219:9 End of report