Routing Table Report 04:00 +10GMT Thu 08 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122201 Prefixes after maximum aggregation: 15119 Unique aggregates announced to Internet: 173 Total ASes present in the Internet Routing Table: 15051 Origin-only ASes present in the Internet Routing Table: 13040 Origin ASes announcing only one prefix: 5961 Transit ASes present in the Internet Routing Table: 2011 Transit-only ASes present in the Internet Routing Table: 59 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: 256241 Equivalent to 0 /8s, 3 /16s and 232 /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: 91 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21222 Total APNIC prefixes after maximum aggregation: 1885 Prefixes being announced from the APNIC address blocks: 122136 Unique aggregates announced from the APNIC address blocks: 148 APNIC Region origin ASes present in the Internet Routing Table: 1778 APNIC Region origin ASes announcing only one prefix: 527 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: 168433 Equivalent to 0 /8s, 2 /16s and 145 /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: 74413 Total ARIN prefixes after maximum aggregation: 8336 Prefixes being announced from the ARIN address blocks: 31 Unique aggregates announced from the ARIN address blocks: 20 ARIN Region origin ASes present in the Internet Routing Table: 8320 ARIN Region origin ASes announcing only one prefix: 2854 ARIN Region transit ASes present in the Internet Routing Table: 804 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 11776 Equivalent to 0 /8s, 0 /16s and 46 /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: 21363 Total RIPE prefixes after maximum aggregation: 4565 Prefixes being announced from the RIPE address blocks: 26 Unique aggregates announced from the RIPE address blocks: 5 RIPE Region origin ASes present in the Internet Routing Table: 4562 RIPE Region origin ASes announcing only one prefix: 2490 RIPE Region transit ASes present in the Internet Routing Table: 820 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 76032 Equivalent to 0 /8s, 1 /16s and 41 /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: 5188 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: 90 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 6.4 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 1206 0 1 Telstra Pty Ltd 4755 441 39 72 Videsh Sanchar Nigam Ltd. Aut 703 397 0 2 UUNET 2907 388 0 1 SINET Japan 17557 370 0 1 Pakistan Telecom 2764 350 0 18 connect.com.au pty ltd 7474 319 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 221 0 1 Satyam Infoway Ltd., 4766 215 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 131 0 1 BHARTI BT INTERNET LTD. 4716 126 0 1 TTnet 4795 121 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1536 0 1 UUNET Technologies, Inc. 7018 1328 0 1 AT&T 4151 1066 0 1 USDA 1239 970 0 1 Sprint 7132 961 0 1 Southwestern Bell Internet Se 3908 899 0 1 Supernet, Inc. 7843 660 0 1 Adelphia Corp. 4323 585 0 1 Time Warner Communications, I 852 549 0 1 Telus Advanced Communications 2386 546 0 1 AT&T Data Communications Serv 705 529 0 1 UUNET Technologies, Inc. 3561 504 0 1 Cable & Wireless USA 209 493 0 1 Qwest 6197 483 0 1 BellSouth Network Solutions, 20115 478 0 1 Charter Communications 1 477 0 1 GENUITY 690 476 0 1 Merit Network 6198 465 0 1 BellSouth Network Solutions, 4355 392 0 1 EarthLink, Inc. 6347 370 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 307 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 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 100 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 293 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 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 1328 1327 AT&T 1221 1206 1205 Telstra Pty Ltd 4151 1066 1065 USDA 1239 970 969 Sprint 7132 961 960 Southwestern Bell Internet Se 3908 899 898 Supernet, Inc. 702 757 756 UUNET - Commercial IP service 7843 660 659 Adelphia Corp. 4323 585 584 Time Warner Communications, I 852 549 548 Telus Advanced Communications 2386 546 545 AT&T Data Communications Serv 705 529 528 UUNET Technologies, Inc. 3561 504 503 Cable & Wireless USA 209 493 492 Qwest 6197 483 482 BellSouth Network Solutions, 20115 478 477 Charter Communications 1 477 476 GENUITY 690 476 475 Merit Network 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 /15:1 /16:1 /17:4 /18:7 /19:7 /20:12 /21:13 /22:19 /23:19 /24:122093 /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 22 350 connect.com.au pty ltd 4755 20 441 Videsh Sanchar Nigam Ltd. Aut 2914 18 298 Verio, Inc. 5511 7 90 France Telecom 5592 5 10 Concom Ltd (Kharkov, Ukraine) 7474 5 319 Optus Communications Pty Ltd 1248 1 6 Nokia Head Office 6085 1 1 SITA Network Operations Cente 6667 1 1 Jippii Group Backbone AS 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 11428 1 1 Micron Electronics, Inc. 13388 1 17 Egyptian Telephone 15246 1 21 Telecomunicaciones Satelitale 16441 1 26 Intellispace Inc. 19667 1 1 Lee Technologies Group 22046 1 10 Coffman Engineers 23147 1 1 Cook Inlet Engery Supply 26250 1 1 Alpine Electronics Manufactur 27387 1 2 Blue One Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 63:1 64:1 65:2 66:1 81:6 192:2 193:1 194:2 198:1 199:3 202:53 203:56437 205:6 206:2 207:6 209:1 210:4 213:1 216:1 219:9 End of report