Routing Table Report 04:00 +10GMT Wed 07 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122239 Prefixes after maximum aggregation: 15136 Unique aggregates announced to Internet: 191 Total ASes present in the Internet Routing Table: 15050 Origin-only ASes present in the Internet Routing Table: 13041 Origin ASes announcing only one prefix: 5958 Transit ASes present in the Internet Routing Table: 2009 Transit-only ASes present in the Internet Routing Table: 61 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: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 276209 Equivalent to 0 /8s, 4 /16s and 54 /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: 112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21243 Total APNIC prefixes after maximum aggregation: 1911 Prefixes being announced from the APNIC address blocks: 122171 Unique aggregates announced from the APNIC address blocks: 176 APNIC Region origin ASes present in the Internet Routing Table: 1779 APNIC Region origin ASes announcing only one prefix: 528 APNIC Region transit ASes present in the Internet Routing Table: 301 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 178929 Equivalent to 0 /8s, 2 /16s and 186 /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: 74452 Total ARIN prefixes after maximum aggregation: 8329 Prefixes being announced from the ARIN address blocks: 26 Unique aggregates announced from the ARIN address blocks: 7 ARIN Region origin ASes present in the Internet Routing Table: 8321 ARIN Region origin ASes announcing only one prefix: 2854 ARIN Region transit ASes present in the Internet Routing Table: 803 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 2304 Equivalent to 0 /8s, 0 /16s and 9 /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: 21357 Total RIPE prefixes after maximum aggregation: 4563 Prefixes being announced from the RIPE address blocks: 25 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4557 RIPE Region origin ASes announcing only one prefix: 2486 RIPE Region transit ASes present in the Internet Routing Table: 818 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 94976 Equivalent to 0 /8s, 1 /16s and 115 /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: 5172 Total LACNIC prefixes after maximum aggregation: 333 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: 333 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 68 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 1207 0 1 Telstra Pty Ltd 4755 443 39 72 Videsh Sanchar Nigam Ltd. Aut 703 396 0 2 UUNET 2907 388 0 1 SINET Japan 17557 377 0 1 Pakistan Telecom 2764 372 2 32 connect.com.au pty ltd 7474 319 0 2 Optus Communications Pty Ltd 4814 297 0 1 China Telecom (Group) 17676 245 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 225 0 1 Data Communications Bureau 9583 221 0 1 Satyam Infoway Ltd., 4766 216 0 1 Korea Internet Exchange for " 9443 183 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 9238 139 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 120 0 1 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1536 0 1 UUNET Technologies, Inc. 7018 1330 0 1 AT&T 4151 1047 0 1 USDA 1239 969 0 1 Sprint 7132 961 0 1 Southwestern Bell Internet Se 3908 898 0 1 Supernet, Inc. 7843 666 0 1 Adelphia Corp. 4323 584 0 1 Time Warner Communications, I 1 576 0 1 GENUITY 2386 547 0 1 AT&T Data Communications Serv 852 546 0 1 Telus Advanced Communications 705 531 0 1 UUNET Technologies, Inc. 3561 504 0 1 Cable & Wireless USA 209 492 0 1 Qwest 690 482 0 1 Merit Network 6197 478 0 1 BellSouth Network Solutions, 20115 478 0 1 Charter Communications 6198 465 0 1 BellSouth Network Solutions, 4355 395 0 1 EarthLink, Inc. 6347 369 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 757 0 1 UUNET - Commercial IP service 3301 306 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 200 0 1 COLT Internet - International 5400 194 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 161 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 114 0 1 TELECOM ITALIA 3246 109 0 1 Song Networks 3352 107 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 290 0 1 ImpSat 7303 254 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 89 0 1 Integrated Systems 8065 75 0 1 Empresas Publicas de Medellin 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 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 63 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia 15034 59 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1330 1329 AT&T 1221 1207 1206 Telstra Pty Ltd 4151 1047 1046 USDA 1239 969 968 Sprint 7132 961 960 Southwestern Bell Internet Se 3908 898 897 Supernet, Inc. 702 757 756 UUNET - Commercial IP service 7843 666 665 Adelphia Corp. 4323 584 583 Time Warner Communications, I 1 576 575 GENUITY 2386 547 546 AT&T Data Communications Serv 852 546 545 Telus Advanced Communications 705 531 530 UUNET Technologies, Inc. 3561 504 503 Cable & Wireless USA 209 492 491 Qwest 690 482 481 Merit Network 6197 478 477 BellSouth Network Solutions, 20115 478 477 Charter Communications 6198 465 464 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 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 64512 PRIVATE 203.14.8.16/24 3216 Teleross, Moscow, Ru 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 /18:9 /19:14 /20:14 /21:25 /22:27 /23:30 /24:122088 /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 39 372 connect.com.au pty ltd 4755 20 443 Videsh Sanchar Nigam Ltd. Aut 2914 18 298 Verio, Inc. 7474 5 319 Optus Communications Pty Ltd 7571 5 19 Australian Academic and Rease 6197 3 478 BellSouth Network Solutions, 14185 3 5 Golden Corridor Communication 19756 3 5 DNS Online 20333 3 4 SOHO Net Corp / Exanium Globa 6736 2 44 IRANET/IPM 6085 1 1 SITA Network Operations Cente 7381 1 15 Sungard Recovery Services, In 7719 1 20 Up n Away Net Solutions 12589 1 1 POSTAHU-AS Autonomous System 16122 1 1 PRADA INDUSTRIAL SPA 16441 1 26 Intellispace Inc. 20921 1 19 AMENA Autonomous System 21343 1 1 IpromoGroup Ltd. 24690 1 1 SZRT-HU 25054 1 2 the AS of ACO Computerservice Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 63:2 65:3 130:2 134:1 192:1 194:5 198:3 200:1 202:61 203:56428 205:1 206:1 208:2 210:13 213:1 216:1 219:9 End of report