Routing Table Report 04:00 +10GMT Thu 22 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 129932 Prefixes after maximum aggregation: 16533 Unique aggregates announced to Internet: 215 Total ASes present in the Internet Routing Table: 16419 Origin-only ASes present in the Internet Routing Table: 14239 Origin ASes announcing only one prefix: 6594 Transit ASes present in the Internet Routing Table: 2180 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 32 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: 794369 Equivalent to 0 /8s, 12 /16s and 31 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 752 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24383 Total APNIC prefixes after maximum aggregation: 2081 Prefixes being announced from the APNIC address blocks: 129134 Unique aggregates announced from the APNIC address blocks: 161 APNIC Region origin ASes present in the Internet Routing Table: 1961 APNIC Region origin ASes announcing only one prefix: 596 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 647169 Equivalent to 0 /8s, 9 /16s and 224 /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: 75701 Total ARIN prefixes after maximum aggregation: 8869 Prefixes being announced from the ARIN address blocks: 749 Unique aggregates announced from the ARIN address blocks: 47 ARIN Region origin ASes present in the Internet Routing Table: 8816 ARIN Region origin ASes announcing only one prefix: 3108 ARIN Region transit ASes present in the Internet Routing Table: 854 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 32512 Equivalent to 0 /8s, 0 /16s and 127 /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 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23396 Total RIPE prefixes after maximum aggregation: 5129 Prefixes being announced from the RIPE address blocks: 14 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 5126 RIPE Region origin ASes announcing only one prefix: 2760 RIPE Region transit ASes present in the Internet Routing Table: 889 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 114688 Equivalent to 0 /8s, 1 /16s and 192 /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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5288 Total LACNIC prefixes after maximum aggregation: 362 Prefixes being announced from the LACNIC address blocks: 8 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 362 LACNIC Region origin ASes announcing only one prefix: 103 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: 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: 1147 Total AfriNIC prefixes after maximum aggregation: 92 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: 92 AfriNIC Region origin ASes announcing only one prefix: 27 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 1041 0 1 Telstra Pty Ltd 4134 657 32 4 Data Communications Bureau 4766 398 0 1 Korea Internet Exchange for " 2907 363 0 1 SINET Japan 9443 348 0 2 Primus Telecommunications 7474 344 0 2 Optus Communications Pty Ltd 4755 342 26 61 Videsh Sanchar Nigam Ltd. Aut 703 336 0 2 UUNET 17557 319 0 1 Pakistan Telecom 9583 296 0 1 Satyam Infoway Ltd., 17676 295 1 3 XTAGE CORPORATION 2764 292 0 1 connect.com.au pty ltd 4538 249 0 1 China Education and Research 9800 214 0 1 CHINA UNICOM 9942 204 0 5 COMindico Australia 9929 199 0 1 China Netcom Corp. 9498 183 0 1 BHARTI BT INTERNET LTD. 17642 153 0 2 RequestDSL BGP AS# for Sydney 17964 151 0 1 Beijing Dian-Xin-Tong Network 4739 147 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1380 0 1 UUNET Technologies, Inc. 7018 1367 0 1 AT&T 1239 953 0 1 Sprint 3356 766 0 1 Level 3 Communications, LLC 6197 727 0 1 BellSouth Network Solutions, 209 726 0 1 Qwest 18566 681 0 1 Covad Communications 4323 674 0 1 Time Warner Communications, I 20115 599 0 1 Charter Communications 6198 590 0 1 BellSouth Network Solutions, 7843 509 0 1 Adelphia Corp. 852 504 0 1 Telus Advanced Communications 7132 452 0 1 Southwestern Bell Internet Se 2386 417 0 1 AT&T Data Communications Serv 19029 400 0 1 New Edge Networks 690 398 0 1 Merit Network 4355 382 0 1 EarthLink, Inc. 27364 381 0 1 Armstrong Cable Services 705 337 0 1 UUNET Technologies, Inc. 3549 333 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 690 0 1 UUNET - Commercial IP service 3301 334 0 1 TeliaNet Sweden 3320 277 0 1 Deutsche Telekom AG 8220 271 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 224 0 1 SWIPnet Swedish IP Network 13083 215 0 1 Mannesmann Datenverarbeitung 3246 190 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 169 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 8708 165 0 1 Romania Data Systems S.A. 3215 152 0 1 France Telecom Transpac 3303 138 0 1 Swisscom Ltd 5400 137 0 1 BT Ignite European Backbone 12302 131 0 1 MobiFon S.A. 3269 122 0 1 TELECOM ITALIA 2856 119 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system 6746 105 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 354 0 1 ImpSat 8151 245 0 1 UniNet S.A. de C.V. 11172 195 0 1 Servicios Alestra S.A de C.V 16814 155 0 1 NSS, S.A. 7303 141 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 11311 68 0 1 Sinectis S.A. 11992 67 0 1 Integrated Systems 7080 66 0 1 Electronica y Comunicaciones 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 14420 61 0 1 ANDINATEL S.A. 10292 60 0 1 TELECOMMUNICATIONS OF JAMAICA 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia S.A 5639 58 0 1 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 5536 103 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 58 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 32 0 1 ARN Network 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 24835 23 0 1 RAYA Telecom - Egypt 12455 22 0 1 Jambonet Autonomous system 6713 21 0 1 Itissalat Al-MAGHRIB 8524 18 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 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 1367 1366 AT&T 1221 1041 1040 Telstra Pty Ltd 1239 953 952 Sprint 3356 766 765 Level 3 Communications, LLC 6197 727 726 BellSouth Network Solutions, 209 726 725 Qwest 702 690 689 UUNET - Commercial IP service 18566 681 680 Covad Communications 4323 674 673 Time Warner Communications, I 4134 657 653 Data Communications Bureau 20115 599 598 Charter Communications 6198 590 589 BellSouth Network Solutions, 7843 509 508 Adelphia Corp. 852 504 503 Telus Advanced Communications 7132 452 451 Southwestern Bell Internet Se 2386 417 416 AT&T Data Communications Serv 19029 400 399 New Edge Networks 690 398 397 Merit Network 4766 398 397 Korea Internet Exchange for " List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 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 /17:9 /18:25 /19:12 /20:23 /21:235 /22:52 /23:440 /24:129127 /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 661 681 Covad Communications 1 33 207 GENUITY 4755 15 342 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 4 344 Optus Communications Pty Ltd 2647 3 79 SITA 17430 3 64 Great Wall Broadband Network 2914 2 268 Verio, Inc. 4134 2 657 Data Communications Bureau 5112 2 30 Sidlinger Computer Corporatio 17676 2 295 XTAGE CORPORATION 4628 1 52 Pacific Internet Pte Ltd 4812 1 75 China Telecom (Group) 7381 1 13 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 7991 1 4 Savvis Communications 8881 1 14 KomTel routing policies 9506 1 26 Magix Broadband Network 12187 1 1 Metropolitan Tranportation Au 15530 1 1 ISP Unikon Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 63:1 64:3 69:1 148:1 192:7 194:1 195:2 198:11 199:1 200:6 202:34 203:63475 204:4 206:2 207:5 209:9 210:1 216:16 219:8 End of report