Routing Table Report 04:00 +10GMT Fri 07 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 127610 Prefixes after maximum aggregation: 16135 Unique aggregates announced to Internet: 184 Total ASes present in the Internet Routing Table: 16074 Origin-only ASes present in the Internet Routing Table: 13927 Origin ASes announcing only one prefix: 6393 Transit ASes present in the Internet Routing Table: 2147 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 30 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: 545281 Equivalent to 0 /8s, 8 /16s and 82 /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: 749 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23116 Total APNIC prefixes after maximum aggregation: 2042 Prefixes being announced from the APNIC address blocks: 126867 Unique aggregates announced from the APNIC address blocks: 152 APNIC Region origin ASes present in the Internet Routing Table: 1930 APNIC Region origin ASes announcing only one prefix: 588 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 433665 Equivalent to 0 /8s, 6 /16s and 158 /24s Percentage of available APNIC address space announced: 0.2 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: 75304 Total ARIN prefixes after maximum aggregation: 8699 Prefixes being announced from the ARIN address blocks: 711 Unique aggregates announced from the ARIN address blocks: 26 ARIN Region origin ASes present in the Internet Routing Table: 8678 ARIN Region origin ASes announcing only one prefix: 3015 ARIN Region transit ASes present in the Internet Routing Table: 850 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 13312 Equivalent to 0 /8s, 0 /16s and 52 /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: 22674 Total RIPE prefixes after maximum aggregation: 4941 Prefixes being announced from the RIPE address blocks: 10 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4937 RIPE Region origin ASes announcing only one prefix: 2655 RIPE Region transit ASes present in the Internet Routing Table: 869 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 30 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 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: 5394 Total LACNIC prefixes after maximum aggregation: 356 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: 356 LACNIC Region origin ASes announcing only one prefix: 104 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: 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: 97 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: 6.9 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 1114 0 1 Telstra Pty Ltd 2907 367 0 1 SINET Japan 4134 361 0 1 Data Communications Bureau 4755 351 8 62 Videsh Sanchar Nigam Ltd. Aut 7474 342 0 2 Optus Communications Pty Ltd 703 333 0 2 UUNET 2764 298 0 1 connect.com.au pty ltd 17557 297 0 1 Pakistan Telecom 17676 278 0 1 XTAGE CORPORATION 4766 252 0 1 Korea Internet Exchange for " 9583 249 0 1 Satyam Infoway Ltd., 9443 236 0 1 Primus Telecommunications 3786 233 0 1 DACOM Corporation 4538 214 0 1 China Education and Research 9800 207 0 1 CHINA UNICOM 9498 206 0 1 BHARTI BT INTERNET LTD. 9942 188 0 4 COMindico Australia 9929 173 0 1 China Netcom Corp. 17642 156 0 3 RequestDSL BGP AS# for Sydney 4739 146 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1394 0 1 UUNET Technologies, Inc. 7018 1365 0 1 AT&T 209 1097 0 1 Qwest 1239 927 0 1 Sprint 18566 720 0 1 Covad Communications 6197 666 0 1 BellSouth Network Solutions, 4323 641 0 1 Time Warner Communications, I 3356 617 0 1 Level 3 Communications, LLC 6198 573 0 1 BellSouth Network Solutions, 20115 539 0 1 Charter Communications 7843 522 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 499 0 1 Southwestern Bell Internet Se 19029 419 0 1 New Edge Networks 690 410 0 1 Merit Network 2386 396 0 1 AT&T Data Communications Serv 705 394 0 1 UUNET Technologies, Inc. 4355 390 0 1 EarthLink, Inc. 6347 345 0 1 SAVVIS Communications Corpora 27364 338 0 1 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 694 0 1 UUNET - Commercial IP service 3301 309 0 1 TeliaNet Sweden 3320 276 0 1 Deutsche Telekom AG 8220 260 0 1 COLT Internet - International 1257 238 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5400 186 0 1 BT Ignite European Backbone 5515 179 0 1 Sonera Solution Autonomous Sy 786 174 0 1 The JANET IP Service 3215 173 0 1 France Telecom Transpac 8708 160 0 1 Romania Data Systems S.A. 3303 144 0 1 Swisscom Ltd 25186 142 0 1 France Telecom Transpac's Tra 6664 134 0 1 TELECOM ITALIA 3246 127 0 1 Song Networks 12302 126 0 1 MobiFon S.A. 3269 118 0 1 TELECOM ITALIA 2856 117 0 1 BTnet UK Regional network 719 116 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 0 1 ImpSat 8151 234 0 1 UniNet S.A. de C.V. 7303 196 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 126 0 1 AVANTEL, S.A. 6147 122 0 1 Telefonica Del Peru 10620 122 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 4270 68 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. 5639 57 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 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 9129 24 0 1 UUNET Kenya 16637 24 0 1 Johnnic e-Ventures 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 15706 15 0 1 Sudatel Internet Exchange Aut 3208 14 0 1 ARN Network 12258 14 0 1 Vodacom Internet Company 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 1365 1364 AT&T 1221 1114 1113 Telstra Pty Ltd 209 1097 1096 Qwest 1239 927 926 Sprint 18566 720 719 Covad Communications 702 694 693 UUNET - Commercial IP service 6197 666 665 BellSouth Network Solutions, 4323 641 640 Time Warner Communications, I 3356 617 616 Level 3 Communications, LLC 6198 573 572 BellSouth Network Solutions, 20115 539 538 Charter Communications 7843 522 521 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 499 498 Southwestern Bell Internet Se 19029 419 418 New Edge Networks 690 410 409 Merit Network 2386 396 395 AT&T Data Communications Serv 705 394 393 UUNET Technologies, Inc. 4355 390 389 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 /17:10 /18:17 /19:5 /20:7 /21:231 /22:16 /23:464 /24:126850 /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 673 720 Covad Communications 2914 17 278 Verio, Inc. 11606 16 60 Warwick Online 3758 12 42 SingNet 7474 5 342 Optus Communications Pty Ltd 13351 4 4 Barbourville Utility Commissi 703 3 333 UUNET 4755 3 351 Videsh Sanchar Nigam Ltd. Aut 19131 3 3 Eohio Net 7011 2 169 Citizens Utilities 702 1 694 UUNET - Commercial IP service 3255 1 64 Ukrainian Academic and Resear 3356 1 617 Level 3 Communications, LLC 3585 1 7 AMP Incorporated 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 11057 1 8 J. Walter Thompson Co. 11430 1 4 Austin Bestline 12828 1 1 KRSC-RU Autonomous System 16653 1 6 INETmax Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:16 63:2 64:2 65:2 66:1 69:1 165:1 200:1 202:42 203:61220 204:3 206:1 208:4 210:3 216:14 End of report