Routing Table Report 04:00 +10GMT Fri 31 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 128182 Prefixes after maximum aggregation: 16097 Unique aggregates announced to Internet: 173 Total ASes present in the Internet Routing Table: 16033 Origin-only ASes present in the Internet Routing Table: 13895 Origin ASes announcing only one prefix: 6373 Transit ASes present in the Internet Routing Table: 2138 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 6.6 Max AS path length visible: 27 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: 621825 Equivalent to 0 /8s, 9 /16s and 125 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 736 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22939 Total APNIC prefixes after maximum aggregation: 2036 Prefixes being announced from the APNIC address blocks: 127437 Unique aggregates announced from the APNIC address blocks: 151 APNIC Region origin ASes present in the Internet Routing Table: 1925 APNIC Region origin ASes announcing only one prefix: 582 APNIC Region transit ASes present in the Internet Routing Table: 316 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 497921 Equivalent to 0 /8s, 7 /16s and 153 /24s Percentage of available APNIC address space announced: 0.3 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: 76090 Total ARIN prefixes after maximum aggregation: 8684 Prefixes being announced from the ARIN address blocks: 701 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8664 ARIN Region origin ASes announcing only one prefix: 3005 ARIN Region transit ASes present in the Internet Routing Table: 848 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 23296 Equivalent to 0 /8s, 0 /16s and 91 /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, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 22605 Total RIPE prefixes after maximum aggregation: 4925 Prefixes being announced from the RIPE address blocks: 13 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4921 RIPE Region origin ASes announcing only one prefix: 2651 RIPE Region transit ASes present in the Internet Routing Table: 865 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 100608 Equivalent to 0 /8s, 1 /16s and 137 /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 30720 - 31743 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: 5435 Total LACNIC prefixes after maximum aggregation: 355 Prefixes being announced from the LACNIC address blocks: 3 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 354 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 22 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 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1102 Total AfriNIC prefixes after maximum aggregation: 97 Prefixes being announced from the AfriNIC address blocks: 0 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 7.0 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available AfriNIC address space announced: 0.0 AfriNIC AS Blocks AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1124 0 1 Telstra Pty Ltd 2907 366 0 1 SINET Japan 4134 359 0 1 Data Communications Bureau 4755 353 8 59 Videsh Sanchar Nigam Ltd. Aut 703 335 0 2 UUNET 7474 335 0 2 Optus Communications Pty Ltd 2764 303 0 1 connect.com.au pty ltd 17557 286 0 1 Pakistan Telecom 17676 274 0 1 XTAGE CORPORATION 9583 271 0 1 Satyam Infoway Ltd., 4766 242 0 1 Korea Internet Exchange for " 3786 233 0 1 DACOM Corporation 4538 214 0 1 China Education and Research 9800 204 0 1 CHINA UNICOM 9498 202 0 1 BHARTI BT INTERNET LTD. 9443 188 0 1 Primus Telecommunications 9942 186 0 4 COMindico Australia 9929 173 0 1 China Netcom Corp. 17642 157 0 3 RequestDSL BGP AS# for Sydney 4739 145 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 2053 0 1 Qwest 701 1426 0 1 UUNET Technologies, Inc. 7018 1356 0 1 AT&T 1239 923 0 1 Sprint 18566 714 0 1 Covad Communications 4323 680 0 1 Time Warner Communications, I 6197 645 0 1 BellSouth Network Solutions, 3356 610 0 1 Level 3 Communications, LLC 6198 570 0 1 BellSouth Network Solutions, 20115 538 0 1 Charter Communications 7843 533 0 1 Adelphia Corp. 852 510 0 1 Telus Advanced Communications 7132 414 0 1 Southwestern Bell Internet Se 690 410 0 1 Merit Network 705 394 0 1 UUNET Technologies, Inc. 4355 389 0 1 EarthLink, Inc. 2386 385 0 1 AT&T Data Communications Serv 19029 384 0 1 New Edge Networks 6347 345 0 1 SAVVIS Communications Corpora 3549 331 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 698 0 1 UUNET - Commercial IP service 3301 310 0 1 TeliaNet Sweden 3320 276 0 1 Deutsche Telekom AG 8220 260 0 1 COLT Internet - International 1257 237 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5515 186 0 1 Sonera Solution Autonomous Sy 5400 185 0 1 BT Ignite European Backbone 3215 183 0 1 France Telecom Transpac 786 174 0 1 The JANET IP Service 8708 160 0 1 Romania Data Systems S.A. 3303 146 0 1 Swisscom Ltd 6664 134 0 1 TELECOM ITALIA 25186 132 0 1 France Telecom Transpac's Tra 3246 126 0 1 Song Networks 12302 125 0 1 MobiFon S.A. 719 120 0 1 LANLINK autonomous system 2856 118 0 1 BTnet UK Regional network 3269 117 0 1 TELECOM ITALIA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 337 0 1 ImpSat 8151 237 0 1 UniNet S.A. de C.V. 7303 194 0 1 Telecom Argentina Stet-France 11172 192 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 6503 127 0 1 AVANTEL, S.A. 10620 122 0 1 TVCABLE BOGOTA 6147 110 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 85 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 11830 74 0 1 Instituto Costarricense de El 4270 67 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 1916 59 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 250 0 1 The Internet Solution 2018 94 0 1 Tertiary Education Network 5536 87 0 1 Internet Egypt Network 2905 59 0 1 The Internetworking Company o 2561 56 0 1 Egyptian Universities Network 11845 35 0 1 Data Pro Business Online 11569 31 0 1 satellite data networks 16284 30 0 1 GST-N Autonomous System 12455 26 0 1 Jambonet Autonomous system 5713 24 0 1 Telkom SA Ltd 16637 24 0 1 Johnnic e-Ventures 6713 22 0 1 Itissalat Al-MAGHRIB 9129 19 0 1 UUNET Kenya 10798 17 0 1 Standard Bank of South Africa 15706 15 0 1 Sudatel Internet Exchange Aut 8524 14 0 1 AUCEGYPT Autonomous System 12258 14 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 3208 13 0 1 ARN Network 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1426 1425 UUNET Technologies, Inc. 7018 1356 1355 AT&T 1221 1124 1123 Telstra Pty Ltd 1239 923 922 Sprint 18566 714 713 Covad Communications 702 698 697 UUNET - Commercial IP service 4323 680 679 Time Warner Communications, I 6197 645 644 BellSouth Network Solutions, 3356 610 609 Level 3 Communications, LLC 6198 570 569 BellSouth Network Solutions, 20115 538 537 Charter Communications 7843 533 532 Adelphia Corp. 852 510 509 Telus Advanced Communications 7132 414 413 Southwestern Bell Internet Se 690 410 409 Merit Network 705 394 393 UUNET Technologies, Inc. 4355 389 388 EarthLink, Inc. 2386 385 384 AT&T Data Communications Serv 19029 384 383 New Edge Networks List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 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 /16:5 /17:10 /18:17 /19:11 /20:6 /21:229 /22:17 /23:460 /24:127422 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 668 714 Covad Communications 2914 17 278 Verio, Inc. 3758 12 42 SingNet 29859 9 58 WideOpenWest LLC 7474 5 335 Optus Communications Pty Ltd 7633 5 133 Software Technology Parks of 4755 4 353 Videsh Sanchar Nigam Ltd. Aut 22027 4 4 Worknet Inc. 20598 2 2 Autonomous System number for 2548 1 236 Business Internet, Inc. 2561 1 56 Egyptian Universities Network 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 13670 1 21 Bell Atlantic Global Networks 18101 1 29 Reliance Infocom Ltd Internet 19325 1 5 Data-Vision, Inc. 21891 1 2 Buggs Island Telephone Cooper 25150 1 1 DCTel Ltd 26397 1 2 Upp Business Systems LLC Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:3 61:17 64:6 68:1 69:1 162:1 164:5 165:1 192:2 193:2 198:1 199:1 200:1 202:39 203:61794 206:4 207:2 208:1 210:3 212:1 End of report