Routing Table Report 04:00 +10GMT Sun 23 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 127947 Prefixes after maximum aggregation: 16238 Unique aggregates announced to Internet: 213 Total ASes present in the Internet Routing Table: 16132 Origin-only ASes present in the Internet Routing Table: 13994 Origin ASes announcing only one prefix: 6443 Transit ASes present in the Internet Routing Table: 2138 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 26 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: 664321 Equivalent to 0 /8s, 10 /16s and 35 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 823 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23437 Total APNIC prefixes after maximum aggregation: 2058 Prefixes being announced from the APNIC address blocks: 127117 Unique aggregates announced from the APNIC address blocks: 158 APNIC Region origin ASes present in the Internet Routing Table: 1938 APNIC Region origin ASes announcing only one prefix: 590 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: 18 Number of APNIC addresses announced to Internet: 543233 Equivalent to 0 /8s, 8 /16s and 74 /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: 75235 Total ARIN prefixes after maximum aggregation: 8743 Prefixes being announced from the ARIN address blocks: 783 Unique aggregates announced from the ARIN address blocks: 48 ARIN Region origin ASes present in the Internet Routing Table: 8693 ARIN Region origin ASes announcing only one prefix: 3036 ARIN Region transit ASes present in the Internet Routing Table: 844 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 18688 Equivalent to 0 /8s, 0 /16s and 73 /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: 22755 Total RIPE prefixes after maximum aggregation: 4982 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4978 RIPE Region origin ASes announcing only one prefix: 2682 RIPE Region transit ASes present in the Internet Routing Table: 868 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 102400 Equivalent to 0 /8s, 1 /16s and 144 /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 30720 - 31743 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5398 Total LACNIC prefixes after maximum aggregation: 361 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: 360 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 18 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: 1111 Total AfriNIC prefixes after maximum aggregation: 94 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: 94 AfriNIC Region origin ASes announcing only one prefix: 28 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 1075 0 1 Telstra Pty Ltd 4134 390 0 1 Data Communications Bureau 2907 370 0 1 SINET Japan 4755 350 20 66 Videsh Sanchar Nigam Ltd. Aut 7474 345 0 2 Optus Communications Pty Ltd 9443 340 0 2 Primus Telecommunications 703 327 0 2 UUNET 17557 299 0 1 Pakistan Telecom 2764 284 0 1 connect.com.au pty ltd 17676 281 1 3 XTAGE CORPORATION 4766 260 0 1 Korea Internet Exchange for " 4538 247 0 1 China Education and Research 9583 236 0 1 Satyam Infoway Ltd., 3786 234 0 1 DACOM Corporation 9800 207 0 1 CHINA UNICOM 9929 196 0 1 China Netcom Corp. 9942 185 0 4 COMindico Australia 9498 171 0 1 BHARTI BT INTERNET LTD. 17642 154 0 2 RequestDSL BGP AS# for Sydney 4837 145 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1410 0 1 UUNET Technologies, Inc. 7018 1372 0 1 AT&T 1239 953 0 1 Sprint 209 888 0 1 Qwest 6197 748 0 1 BellSouth Network Solutions, 18566 729 0 1 Covad Communications 4323 689 0 1 Time Warner Communications, I 3356 678 0 1 Level 3 Communications, LLC 6198 613 0 1 BellSouth Network Solutions, 20115 583 0 1 Charter Communications 7843 524 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 7132 439 0 1 Southwestern Bell Internet Se 19029 416 0 1 New Edge Networks 2386 403 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 4355 382 0 1 EarthLink, Inc. 705 378 0 1 UUNET Technologies, Inc. 27364 354 0 1 Armstrong Cable Services 6347 334 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 691 0 1 UUNET - Commercial IP service 3301 304 0 1 TeliaNet Sweden 8220 277 0 1 COLT Internet - International 3320 274 0 1 Deutsche Telekom AG 1257 237 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5400 189 0 1 BT Ignite European Backbone 3246 179 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 175 0 1 Sonera Solution Autonomous Sy 8708 162 0 1 Romania Data Systems S.A. 3215 160 0 1 France Telecom Transpac 25186 159 0 1 France Telecom Transpac's Tra 3303 144 0 1 Swisscom Ltd 12302 126 0 1 MobiFon S.A. 3269 118 0 1 TELECOM ITALIA 2856 116 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 6746 103 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 342 0 1 ImpSat 8151 234 0 1 UniNet S.A. de C.V. 11172 192 0 1 Servicios Alestra S.A de C.V 7303 181 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 6147 121 0 1 Telefonica Del Peru 11992 85 0 1 Integrated Systems 8065 83 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 14420 62 0 1 ANDINATEL S.A. 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 1916 59 0 1 Fundacao de Amparo a Pesquisa 5639 58 0 1 Telecommunications Services o 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 88 0 1 Internet Egypt Network 2905 59 0 1 The Internetworking Company o 2561 54 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 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 12455 25 0 1 Jambonet Autonomous system 5713 24 0 1 Telkom SA Ltd 6713 21 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 3208 17 0 1 ARN Network 8524 17 0 1 AUCEGYPT Autonomous System 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1372 1371 AT&T 1221 1075 1074 Telstra Pty Ltd 1239 953 952 Sprint 209 888 887 Qwest 6197 748 747 BellSouth Network Solutions, 18566 729 728 Covad Communications 702 691 690 UUNET - Commercial IP service 4323 689 688 Time Warner Communications, I 3356 678 677 Level 3 Communications, LLC 6198 613 612 BellSouth Network Solutions, 20115 583 582 Charter Communications 7843 524 523 Adelphia Corp. 852 515 514 Telus Advanced Communications 7132 439 438 Southwestern Bell Internet Se 19029 416 415 New Edge Networks 2386 403 402 AT&T Data Communications Serv 690 400 399 Merit Network 4134 390 389 Data Communications Bureau 4355 382 381 EarthLink, Inc. 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 /17:13 /18:26 /19:9 /20:5 /21:239 /22:28 /23:513 /24:127105 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 719 729 Covad Communications 1 38 242 GENUITY 2914 17 281 Verio, Inc. 4755 16 350 Videsh Sanchar Nigam Ltd. Aut 3758 11 40 SingNet 7474 4 345 Optus Communications Pty Ltd 2647 3 76 SITA 17676 2 281 XTAGE CORPORATION 24691 2 4 TogoTelecom, Togo 3573 1 72 Andersen Consulting 6458 1 30 GUATEL 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 12313 1 13 Autonomous System Versatel De 12809 1 1 GEON.DONETSK.UA Autonomous Sy 15540 1 4 gedas Autonomous System 21281 1 1 DONETSK, UKRAINE 23131 1 7 Starlan Communications Inc. 24912 1 1 JSC BiLiM Systems Ltd 29263 1 2 HAAGnet, municipality of The Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:16 64:3 69:1 170:1 192:7 193:1 194:1 195:1 198:3 202:31 203:61460 206:2 207:3 209:10 216:20 219:9 End of report