Routing Table Report 04:00 +10GMT Sat 07 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 130746 Prefixes after maximum aggregation: 16673 Unique aggregates announced to Internet: 219 Total ASes present in the Internet Routing Table: 16505 Origin-only ASes present in the Internet Routing Table: 14329 Origin ASes announcing only one prefix: 6645 Transit ASes present in the Internet Routing Table: 2176 Transit-only ASes present in the Internet Routing Table: 66 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: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 732161 Equivalent to 0 /8s, 11 /16s and 44 /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: 821 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24393 Total APNIC prefixes after maximum aggregation: 2101 Prefixes being announced from the APNIC address blocks: 129903 Unique aggregates announced from the APNIC address blocks: 166 APNIC Region origin ASes present in the Internet Routing Table: 1975 APNIC Region origin ASes announcing only one prefix: 600 APNIC Region transit ASes present in the Internet Routing Table: 320 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 608513 Equivalent to 0 /8s, 9 /16s and 73 /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: 76200 Total ARIN prefixes after maximum aggregation: 8963 Prefixes being announced from the ARIN address blocks: 802 Unique aggregates announced from the ARIN address blocks: 44 ARIN Region origin ASes present in the Internet Routing Table: 8864 ARIN Region origin ASes announcing only one prefix: 3146 ARIN Region transit ASes present in the Internet Routing Table: 857 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 24320 Equivalent to 0 /8s, 0 /16s and 95 /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: 23585 Total RIPE prefixes after maximum aggregation: 5154 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 5146 RIPE Region origin ASes announcing only one prefix: 2772 RIPE Region transit ASes present in the Internet Routing Table: 889 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 99328 Equivalent to 0 /8s, 1 /16s and 132 /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: 5396 Total LACNIC prefixes after maximum aggregation: 363 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 363 LACNIC Region origin ASes announcing only one prefix: 101 LACNIC Region transit ASes present in the Internet Routing Table: 71 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: 1159 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 1031 0 1 Telstra Pty Ltd 4134 660 34 5 Data Communications Bureau 4766 417 0 1 Korea Internet Exchange for " 2907 361 0 1 SINET Japan 4755 349 14 65 Videsh Sanchar Nigam Ltd. Aut 9443 349 0 2 Primus Telecommunications 7474 347 0 2 Optus Communications Pty Ltd 9583 342 0 1 Satyam Infoway Ltd., 703 338 0 2 UUNET 17557 320 0 1 Pakistan Telecom 17676 296 1 3 XTAGE CORPORATION 2764 288 0 1 connect.com.au pty ltd 9800 214 0 1 CHINA UNICOM 9942 205 0 5 COMindico Australia 9929 200 0 1 China Netcom Corp. 9498 182 0 1 BHARTI BT INTERNET LTD. 17642 151 0 2 RequestDSL BGP AS# for Sydney 17964 151 0 1 Beijing Dian-Xin-Tong Network 4739 150 0 5 Commerical Internet eXchange 4837 147 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1378 0 1 AT&T 701 1347 0 1 UUNET Technologies, Inc. 1239 948 0 1 Sprint 3356 815 0 1 Level 3 Communications, LLC 6197 735 0 1 BellSouth Network Solutions, 209 722 0 2 Qwest 18566 687 0 1 Covad Communications 4323 678 0 1 Time Warner Communications, I 20115 608 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 454 0 1 Southwestern Bell Internet Se 2386 417 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 346 0 1 Century Telephone 22773 342 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 684 0 3 UUNET - Commercial IP service 3301 336 0 1 TeliaNet Sweden 3320 282 0 1 Deutsche Telekom AG 8220 268 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 227 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 167 0 1 France Telecom Transpac's Tra 3215 157 0 1 France Telecom Transpac 5400 143 0 1 BT Ignite European Backbone 3303 138 0 1 Swisscom Ltd 6746 126 0 1 Dynamic Network Technologies, 12302 125 0 1 MobiFon S.A. 3269 123 0 1 TELECOM ITALIA 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 360 0 1 ImpSat 8151 248 0 1 UniNet S.A. de C.V. 11172 201 0 1 Servicios Alestra S.A de C.V 16814 154 0 1 NSS, S.A. 6503 137 0 1 AVANTEL, S.A. 7303 137 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 123 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 11992 78 0 1 Integrated Systems 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 7080 66 0 1 Electronica y Comunicaciones 11311 66 0 1 Sinectis S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 14420 60 0 1 ANDINATEL S.A. 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia S.A 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 57 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 25 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 12258 15 0 1 Vodacom Internet Company 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 * 701 1347 1346 UUNET Technologies, Inc. 1221 1031 1030 Telstra Pty Ltd 1239 948 947 Sprint 3356 815 814 Level 3 Communications, LLC 6197 735 734 BellSouth Network Solutions, 209 722 720 Qwest 18566 687 686 Covad Communications 702 684 681 UUNET - Commercial IP service 4323 678 677 Time Warner Communications, I 4134 660 655 Data Communications Bureau 20115 608 607 Charter Communications 6198 545 544 BellSouth Network Solutions, 7843 506 505 Adelphia Corp. 852 502 501 Telus Advanced Communications 7132 454 453 Southwestern Bell Internet Se 2386 417 416 AT&T Data Communications Serv 4766 417 416 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 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 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 /16:3 /17:8 /18:23 /19:10 /20:21 /21:235 /22:88 /23:467 /24:129888 /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 666 687 Covad Communications 10753 62 82 XCOM Technologies, INC. 1 32 168 GENUITY 4755 14 349 Videsh Sanchar Nigam Ltd. Aut 3758 11 46 SingNet 2647 3 80 SITA 7474 3 347 Optus Communications Pty Ltd 17430 3 66 Great Wall Broadband Network 702 2 684 UUNET - Commercial IP service 2914 2 268 Verio, Inc. 4134 2 660 Data Communications Bureau 6128 2 43 Cablevision Systems Corp. 8193 2 9 National Data Network Company 17676 2 296 XTAGE CORPORATION 209 1 722 Qwest 1239 1 948 Sprint 2561 1 57 Egyptian Universities Network 3597 1 20 Asociacion Civil Ciencia Hoy 4628 1 52 Pacific Internet Pte Ltd 4812 1 76 China Telecom (Group) Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:3 67:5 69:1 150:1 157:1 192:4 193:2 195:3 198:2 202:35 203:64250 204:1 206:2 207:3 209:10 210:1 212:2 216:15 219:8 End of report