Routing Table Report 04:00 +10GMT Sun 11 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122366 Prefixes after maximum aggregation: 15149 Unique aggregates announced to Internet: 175 Total ASes present in the Internet Routing Table: 15075 Origin-only ASes present in the Internet Routing Table: 13046 Origin ASes announcing only one prefix: 5983 Transit ASes present in the Internet Routing Table: 2029 Transit-only ASes present in the Internet Routing Table: 63 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: 280817 Equivalent to 0 /8s, 4 /16s and 72 /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: 103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21246 Total APNIC prefixes after maximum aggregation: 1888 Prefixes being announced from the APNIC address blocks: 122294 Unique aggregates announced from the APNIC address blocks: 146 APNIC Region origin ASes present in the Internet Routing Table: 1780 APNIC Region origin ASes announcing only one prefix: 529 APNIC Region transit ASes present in the Internet Routing Table: 304 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 159985 Equivalent to 0 /8s, 2 /16s and 112 /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: 74543 Total ARIN prefixes after maximum aggregation: 8358 Prefixes being announced from the ARIN address blocks: 50 Unique aggregates announced from the ARIN address blocks: 24 ARIN Region origin ASes present in the Internet Routing Table: 8331 ARIN Region origin ASes announcing only one prefix: 2869 ARIN Region transit ASes present in the Internet Routing Table: 810 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 42496 Equivalent to 0 /8s, 0 /16s and 166 /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: 21366 Total RIPE prefixes after maximum aggregation: 4570 Prefixes being announced from the RIPE address blocks: 12 Unique aggregates announced from the RIPE address blocks: 5 RIPE Region origin ASes present in the Internet Routing Table: 4568 RIPE Region origin ASes announcing only one prefix: 2494 RIPE Region transit ASes present in the Internet Routing Table: 824 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 78336 Equivalent to 0 /8s, 1 /16s and 50 /24s Percentage of available RIPE address space announced: 0.0 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: 5203 Total LACNIC prefixes after maximum aggregation: 333 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: 333 LACNIC Region origin ASes announcing only one prefix: 91 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 6.5 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 1196 0 1 Telstra Pty Ltd 4755 443 37 71 Videsh Sanchar Nigam Ltd. Aut 2907 388 0 1 SINET Japan 703 384 0 2 UUNET 17557 369 0 1 Pakistan Telecom 2764 345 0 18 connect.com.au pty ltd 7474 320 0 2 Optus Communications Pty Ltd 4814 294 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 222 0 1 Satyam Infoway Ltd., 4766 213 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 133 0 1 BHARTI BT INTERNET LTD. 4716 126 0 1 TTnet 4795 123 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1528 0 1 UUNET Technologies, Inc. 7018 1324 0 1 AT&T 4151 1099 0 1 USDA 7132 964 0 1 Southwestern Bell Internet Se 1239 940 0 1 Sprint 3908 896 0 1 Supernet, Inc. 7843 657 0 1 Adelphia Corp. 4323 588 0 1 Time Warner Communications, I 2386 565 0 1 AT&T Data Communications Serv 852 548 0 1 Telus Advanced Communications 705 533 0 1 UUNET Technologies, Inc. 3561 505 0 1 Cable & Wireless USA 209 488 0 1 Qwest 6197 483 0 1 BellSouth Network Solutions, 690 482 0 1 Merit Network 1 477 0 1 GENUITY 20115 472 0 1 Charter Communications 6198 466 0 1 BellSouth Network Solutions, 4355 393 0 1 EarthLink, Inc. 6347 366 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 760 0 1 UUNET - Commercial IP service 3301 306 0 1 TeliaNet Sweden 3215 303 0 1 France Telecom Transpac 3320 264 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 8220 201 0 1 COLT Internet - International 5400 189 0 1 BT Ignite European Backbone 5515 188 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 157 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 123 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 97 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 292 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 87 0 1 Integrated Systems 8065 74 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 4270 73 0 1 Red de Interconexion Universi 6535 73 0 1 Chilesat Servicios Empresari 15311 72 0 1 Telefonica Empresas 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 59 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1324 1323 AT&T 1221 1196 1195 Telstra Pty Ltd 4151 1099 1098 USDA 7132 964 963 Southwestern Bell Internet Se 1239 940 939 Sprint 3908 896 895 Supernet, Inc. 702 760 759 UUNET - Commercial IP service 7843 657 656 Adelphia Corp. 4323 588 587 Time Warner Communications, I 2386 565 564 AT&T Data Communications Serv 852 548 547 Telus Advanced Communications 705 533 532 UUNET Technologies, Inc. 3561 505 504 Cable & Wireless USA 209 488 487 Qwest 6197 483 482 BellSouth Network Solutions, 690 482 481 Merit Network 1 477 476 GENUITY 20115 472 471 Charter Communications 6198 466 465 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 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 /16:2 /17:4 /18:8 /19:11 /20:12 /21:16 /22:20 /23:22 /24:122246 /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 22 345 connect.com.au pty ltd 4755 20 443 Videsh Sanchar Nigam Ltd. Aut 2914 18 298 Verio, Inc. 3356 15 299 Level 3 Communications, LLC 4324 12 15 WhiteHorse Communications, In 7474 5 320 Optus Communications Pty Ltd 209 1 488 Qwest 1913 1 195 Defense Logistics Agency 3464 1 148 Alabama SuperComputer Network 6085 1 1 SITA Network Operations Cente 6319 1 2 Marriot Corporation 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 16441 1 26 Intellispace Inc. 20312 1 6 CNTI-REACCIUN "Centro Naciona 21408 1 1 Ministry for foreign Affairs 26447 1 1 Shutterfly.com Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 64:2 65:1 66:1 67:12 144:1 192:1 198:3 202:56 203:56589 204:2 205:1 206:1 207:2 208:2 209:4 210:4 216:2 219:9 End of report