Routing Table Report 04:00 +10GMT Tue 17 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 131480 Prefixes after maximum aggregation: 16647 Unique aggregates announced to Internet: 206 Total ASes present in the Internet Routing Table: 16541 Origin-only ASes present in the Internet Routing Table: 14355 Origin ASes announcing only one prefix: 6630 Transit ASes present in the Internet Routing Table: 2186 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: 27 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 655105 Equivalent to 0 /8s, 9 /16s and 255 /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: 756 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24651 Total APNIC prefixes after maximum aggregation: 2097 Prefixes being announced from the APNIC address blocks: 130701 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 1979 APNIC Region origin ASes announcing only one prefix: 603 APNIC Region transit ASes present in the Internet Routing Table: 323 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 529409 Equivalent to 0 /8s, 8 /16s and 20 /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: 76506 Total ARIN prefixes after maximum aggregation: 8931 Prefixes being announced from the ARIN address blocks: 733 Unique aggregates announced from the ARIN address blocks: 40 ARIN Region origin ASes present in the Internet Routing Table: 8886 ARIN Region origin ASes announcing only one prefix: 3139 ARIN Region transit ASes present in the Internet Routing Table: 863 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 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 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: 23704 Total RIPE prefixes after maximum aggregation: 5162 Prefixes being announced from the RIPE address blocks: 16 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 5157 RIPE Region origin ASes announcing only one prefix: 2761 RIPE Region transit ASes present in the Internet Routing Table: 892 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 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: 5444 Total LACNIC prefixes after maximum aggregation: 365 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: 364 LACNIC Region origin ASes announcing only one prefix: 101 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 17 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: 1163 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: 26 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 1032 0 1 Telstra Pty Ltd 4134 660 34 5 Data Communications Bureau 4766 412 0 1 Korea Internet Exchange for " 2907 361 0 1 SINET Japan 4755 354 20 71 Videsh Sanchar Nigam Ltd. Aut 9443 349 0 2 Primus Telecommunications 7474 346 0 2 Optus Communications Pty Ltd 703 338 0 2 UUNET 9583 336 0 1 Satyam Infoway Ltd., 17557 322 0 1 Pakistan Telecom 2764 300 0 1 connect.com.au pty ltd 17676 296 1 3 XTAGE CORPORATION 9800 214 0 1 CHINA UNICOM 9942 206 0 5 COMindico Australia 9929 204 0 1 China Netcom Corp. 9498 193 0 1 BHARTI BT INTERNET LTD. 9304 170 0 1 Hutchison Telecom (HK) 4804 165 0 1 Microplex PTY LTD 4837 159 0 1 chinanet IDC center beijing n 4739 152 0 6 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1381 0 1 AT&T 701 1345 0 1 UUNET Technologies, Inc. 1239 948 0 1 Sprint 3356 808 0 1 Level 3 Communications, LLC 6197 732 0 1 BellSouth Network Solutions, 209 719 0 1 Qwest 18566 688 0 1 Covad Communications 4323 687 0 1 Time Warner Communications, I 20115 610 0 1 Charter Communications 6198 545 0 1 BellSouth Network Solutions, 7843 506 0 1 Adelphia Corp. 852 502 0 1 Telus Advanced Communications 7132 456 0 1 Southwestern Bell Internet Se 2386 420 0 1 AT&T Data Communications Serv 690 398 0 1 Merit Network 19029 388 0 1 New Edge Networks 4355 385 0 1 EarthLink, Inc. 27364 382 0 1 Armstrong Cable Services 5668 345 0 1 Century Telephone 22773 343 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 683 0 1 UUNET - Commercial IP service 3301 335 0 1 TeliaNet Sweden 3320 283 0 1 Deutsche Telekom AG 8220 267 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 229 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 189 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 171 0 1 Romania Data Systems S.A. 5515 169 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 3215 161 0 1 France Telecom Transpac 5400 144 0 1 BT Ignite European Backbone 3303 138 0 1 Swisscom Ltd 12302 126 0 1 MobiFon S.A. 3269 124 0 1 TELECOM ITALIA 6746 124 0 1 Dynamic Network Technologies, 2856 117 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 356 0 1 ImpSat 8151 262 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 141 0 1 AVANTEL, S.A. 7303 137 0 1 Telecom Argentina Stet-France 6505 132 0 1 Global One Communicaoes Ltda 6147 123 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 11992 77 0 1 Integrated Systems 4270 70 0 1 Red de Interconexion Universi 11311 67 0 1 Sinectis S.A. 7080 66 0 1 Electronica y Comunicaciones 14420 66 0 1 ANDINATEL S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 1916 60 0 1 Fundacao de Amparo a Pesquisa 5639 60 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 104 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 33 0 1 ARN Network 9129 26 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 12455 22 0 1 Jambonet Autonomous system 8524 18 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 15808 16 0 1 Communication Solutions Ltd i 12258 15 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 8346 13 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1345 1344 UUNET Technologies, Inc. 1221 1032 1031 Telstra Pty Ltd 1239 948 947 Sprint 3356 808 807 Level 3 Communications, LLC 6197 732 731 BellSouth Network Solutions, 209 719 718 Qwest 18566 688 687 Covad Communications 4323 687 686 Time Warner Communications, I 702 683 682 UUNET - Commercial IP service 4134 660 655 Data Communications Bureau 20115 610 609 Charter Communications 6198 545 544 BellSouth Network Solutions, 7843 506 505 Adelphia Corp. 852 502 501 Telus Advanced Communications 7132 456 455 Southwestern Bell Internet Se 2386 420 419 AT&T Data Communications Serv 4766 412 411 Korea Internet Exchange for " 690 398 397 Merit Network 19029 388 387 New Edge Networks List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 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 /16:6 /17:7 /18:20 /19:15 /20:22 /21:236 /22:53 /23:443 /24:130675 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 667 688 Covad Communications 1 31 163 GENUITY 4755 19 354 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 2647 3 80 SITA 7474 3 346 Optus Communications Pty Ltd 17430 3 68 Great Wall Broadband Network 2914 2 269 Verio, Inc. 4134 2 660 Data Communications Bureau 17676 2 296 XTAGE CORPORATION 29083 2 10 DUS Network - Host01 GmbH 3952 1 18 Tellabs Operations, Inc. 4628 1 51 Pacific Internet Pte Ltd 4812 1 76 China Telecom (Group) 7381 1 13 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 8881 1 15 KomTel routing policies 9506 1 26 Magix Broadband Network 22822 1 19 Limelight Networks, LLC 25437 1 2 IC ISP Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:3 64:3 69:1 138:1 192:3 195:2 198:1 202:35 203:65050 206:1 207:3 209:9 210:1 216:14 219:11 End of report