Routing Table Report 04:00 +10GMT Thu 01 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122167 Prefixes after maximum aggregation: 15113 Unique aggregates announced to Internet: 198 Total ASes present in the Internet Routing Table: 15010 Origin-only ASes present in the Internet Routing Table: 13012 Origin ASes announcing only one prefix: 5929 Transit ASes present in the Internet Routing Table: 1998 Transit-only ASes present in the Internet Routing Table: 60 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: 286961 Equivalent to 0 /8s, 4 /16s and 96 /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: 129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21228 Total APNIC prefixes after maximum aggregation: 1906 Prefixes being announced from the APNIC address blocks: 122087 Unique aggregates announced from the APNIC address blocks: 178 APNIC Region origin ASes present in the Internet Routing Table: 1772 APNIC Region origin ASes announcing only one prefix: 525 APNIC Region transit ASes present in the Internet Routing Table: 303 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: 74395 Total ARIN prefixes after maximum aggregation: 8319 Prefixes being announced from the ARIN address blocks: 25 Unique aggregates announced from the ARIN address blocks: 13 ARIN Region origin ASes present in the Internet Routing Table: 8299 ARIN Region origin ASes announcing only one prefix: 2842 ARIN Region transit ASes present in the Internet Routing Table: 786 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 9728 Equivalent to 0 /8s, 0 /16s and 38 /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: 21348 Total RIPE prefixes after maximum aggregation: 4556 Prefixes being announced from the RIPE address blocks: 25 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4547 RIPE Region origin ASes announcing only one prefix: 2474 RIPE Region transit ASes present in the Internet Routing Table: 815 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5190 Total LACNIC prefixes after maximum aggregation: 332 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: 332 LACNIC Region origin ASes announcing only one prefix: 88 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 1212 0 1 Telstra Pty Ltd 4755 442 39 71 Videsh Sanchar Nigam Ltd. Aut 703 399 0 2 UUNET 2907 387 0 1 SINET Japan 17557 378 0 1 Pakistan Telecom 2764 376 2 32 connect.com.au pty ltd 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 224 0 1 Satyam Infoway Ltd., 4766 216 0 1 Korea Internet Exchange for " 9800 180 0 1 CHINA UNICOM 9443 179 0 1 Primus Telecommunications 9238 134 0 1 TATA ISP 4739 131 0 2 Commerical Internet eXchange 9498 129 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 1537 0 1 UUNET Technologies, Inc. 7018 1331 0 1 AT&T 4151 989 0 1 USDA 7132 961 0 1 Southwestern Bell Internet Se 1239 959 0 1 Sprint 3908 895 0 1 Supernet, Inc. 7843 694 0 1 Adelphia Corp. 1 582 0 1 GENUITY 4323 581 0 1 Time Warner Communications, I 852 547 0 1 Telus Advanced Communications 2386 542 0 1 AT&T Data Communications Serv 705 530 0 1 UUNET Technologies, Inc. 3561 505 0 1 Cable & Wireless USA 209 491 0 1 Qwest 690 488 0 1 Merit Network 6197 478 0 1 BellSouth Network Solutions, 20115 475 0 1 Charter Communications 6198 462 0 1 BellSouth Network Solutions, 3549 383 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 702 771 0 1 UUNET - Commercial IP service 3301 308 0 1 TeliaNet Sweden 3215 305 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 231 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 8220 198 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 186 0 1 Sonera Solution Autonomous Sy 719 179 0 1 LANLINK autonomous system 786 179 0 1 The JANET IP Service 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 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 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 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 15311 72 0 1 Telefonica Empresas 8065 71 0 1 Empresas Publicas de Medellin 11830 67 0 1 Instituto Costarricense de El 4270 66 0 1 Red de Interconexion Universi 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 1331 1330 AT&T 1221 1212 1211 Telstra Pty Ltd 4151 989 988 USDA 7132 961 960 Southwestern Bell Internet Se 1239 959 958 Sprint 3908 895 894 Supernet, Inc. 702 771 770 UUNET - Commercial IP service 7843 694 693 Adelphia Corp. 1 582 581 GENUITY 4323 581 580 Time Warner Communications, I 852 547 546 Telus Advanced Communications 2386 542 541 AT&T Data Communications Serv 705 530 529 UUNET Technologies, Inc. 3561 505 504 Cable & Wireless USA 209 491 490 Qwest 690 488 487 Merit Network 6197 478 477 BellSouth Network Solutions, 20115 475 474 Charter Communications 6198 462 461 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 /16:4 /17:4 /18:7 /19:14 /20:11 /21:17 /22:22 /23:26 /24:122037 /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 20 442 Videsh Sanchar Nigam Ltd. Aut 2914 18 304 Verio, Inc. 509 13 14 Worms CDOIM Information Cente 10431 7 41 Berkshire County Network 7474 5 320 Optus Communications Pty Ltd 7571 5 19 Australian Academic and Rease 9212 5 5 Mazware Limited 11548 2 40 Dragon Internet 13465 2 2 Outlook Technologies, Inc. 2386 1 542 AT&T Data Communications Serv 6085 1 1 SITA Network Operations Cente 6197 1 478 BellSouth Network Solutions, 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 7719 1 20 Up n Away Net Solutions 11486 1 163 Worldcom Advance Networks 13161 1 1 OKSON Autonomous System 14096 1 1 Index Stock Imagery 16441 1 26 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 62:5 63:1 65:1 68:1 130:2 134:1 144:12 192:1 194:1 198:3 199:3 200:1 202:59 203:56360 206:2 208:3 209:2 210:13 214:1 216:3 219:9 End of report