Routing Table Report 04:00 +10GMT Sun 01 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122040 Prefixes after maximum aggregation: 15193 Unique aggregates announced to Internet: 80 Total ASes present in the Internet Routing Table: 15180 Origin-only ASes present in the Internet Routing Table: 13139 Origin ASes announcing only one prefix: 5997 Transit ASes present in the Internet Routing Table: 2041 Transit-only ASes present in the Internet Routing Table: 59 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 162545 Equivalent to 0 /8s, 2 /16s and 122 /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: 65 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21543 Total APNIC prefixes after maximum aggregation: 1850 Prefixes being announced from the APNIC address blocks: 121936 Unique aggregates announced from the APNIC address blocks: 58 APNIC Region origin ASes present in the Internet Routing Table: 1796 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 302 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 43505 Equivalent to 0 /8s, 0 /16s and 169 /24s Percentage of available APNIC address space announced: 0.0 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: 74034 Total ARIN prefixes after maximum aggregation: 8403 Prefixes being announced from the ARIN address blocks: 25 Unique aggregates announced from the ARIN address blocks: 17 ARIN Region origin ASes present in the Internet Routing Table: 8387 ARIN Region origin ASes announcing only one prefix: 2885 ARIN Region transit ASes present in the Internet Routing Table: 826 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 8448 Equivalent to 0 /8s, 0 /16s and 33 /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: 21222 Total RIPE prefixes after maximum aggregation: 4608 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 5 RIPE Region origin ASes present in the Internet Routing Table: 4605 RIPE Region origin ASes announcing only one prefix: 2499 RIPE Region transit ASes present in the Internet Routing Table: 823 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 110592 Equivalent to 0 /8s, 1 /16s and 176 /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: 5232 Total LACNIC prefixes after maximum aggregation: 332 Prefixes being announced from the LACNIC address blocks: 7 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: 86 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 26 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 1182 0 1 Telstra Pty Ltd 4755 444 2 6 Videsh Sanchar Nigam Ltd. Aut 2907 377 0 1 SINET Japan 17557 367 0 1 Pakistan Telecom 2764 345 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 319 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 230 0 1 Data Communications Bureau 9583 227 0 1 Satyam Infoway Ltd., 4766 211 0 1 Korea Internet Exchange for " 9443 182 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 7713 154 0 1 PT TELEKOMUNIKASI INDONESIA 9498 142 0 1 BHARTI BT INTERNET LTD. 4739 139 0 2 Commerical Internet eXchange 9238 134 0 1 TATA ISP 4716 128 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1525 0 1 UUNET Technologies, Inc. 7018 1337 0 1 AT&T 7132 988 0 1 Southwestern Bell Internet Se 1239 954 0 1 Sprint 3908 897 0 1 Supernet, Inc. 11305 657 0 1 Interland Incorporated 7843 642 0 1 Adelphia Corp. 4323 597 0 1 Time Warner Communications, I 2386 547 0 1 AT&T Data Communications Serv 852 529 0 1 Telus Advanced Communications 705 507 0 1 UUNET Technologies, Inc. 6197 490 0 1 BellSouth Network Solutions, 209 489 0 1 Qwest 6198 464 0 1 BellSouth Network Solutions, 20115 464 0 1 Charter Communications 690 452 0 1 Merit Network 1 446 0 1 GENUITY 4355 400 0 1 EarthLink, Inc. 3561 379 0 1 Cable & Wireless USA 6347 362 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 749 0 1 UUNET - Commercial IP service 3320 344 0 1 Deutsche Telekom AG 3301 305 0 1 TeliaNet Sweden 3215 302 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 180 0 1 Sonera Solution Autonomous Sy 786 177 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 123 0 1 BTnet UK Regional network 3269 116 0 1 TELECOM ITALIA 3246 114 0 1 Song Networks 3352 109 0 1 Ibernet, Internet Access Netw 5511 95 0 1 France Telecom 9051 90 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 217 0 1 UniNet S.A. de C.V. 11172 171 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 133 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 8065 79 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 15034 62 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1337 1336 AT&T 1221 1182 1181 Telstra Pty Ltd 7132 988 987 Southwestern Bell Internet Se 1239 954 953 Sprint 3908 897 896 Supernet, Inc. 702 749 748 UUNET - Commercial IP service 11305 657 656 Interland Incorporated 7843 642 641 Adelphia Corp. 4323 597 596 Time Warner Communications, I 2386 547 546 AT&T Data Communications Serv 852 529 528 Telus Advanced Communications 705 507 506 UUNET Technologies, Inc. 6197 490 489 BellSouth Network Solutions, 209 489 488 Qwest 6198 464 463 BellSouth Network Solutions, 20115 464 463 Charter Communications 690 452 451 Merit Network 1 446 445 GENUITY 4755 444 438 Videsh Sanchar Nigam Ltd. Aut 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 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 /16:49 /17:5 /18:5 /19:7 /20:7 /21:5 /22:19 /23:10 /24:121908 /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 2914 18 295 Verio, Inc. 7474 5 319 Optus Communications Pty Ltd 4755 3 444 Videsh Sanchar Nigam Ltd. Aut 13726 2 2 Vision I Systems, Inc 13871 2 30 Telebyte NW 702 1 749 UUNET - Commercial IP service 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 16441 1 26 Intellispace Inc. 19686 1 39 PacAmTel, LLC. 20183 1 9 VeriCenter, Inc. 21969 1 1 Account Solutions Group 23522 1 32 Creative Internet Techniques 25611 1 1 North Shore Long Island Jewis 28825 1 1 ISP Vilcom Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 63:1 65:1 69:1 198:1 199:1 200:1 202:27 203:56303 206:6 207:4 208:2 209:1 210:5 End of report