Routing Table Report 04:00 +10GMT Sun 15 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 131356 Prefixes after maximum aggregation: 16644 Unique aggregates announced to Internet: 210 Total ASes present in the Internet Routing Table: 16535 Origin-only ASes present in the Internet Routing Table: 14349 Origin ASes announcing only one prefix: 6640 Transit ASes present in the Internet Routing Table: 2186 Transit-only ASes present in the Internet Routing Table: 62 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: 668417 Equivalent to 0 /8s, 10 /16s and 51 /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: 778 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24621 Total APNIC prefixes after maximum aggregation: 2092 Prefixes being announced from the APNIC address blocks: 130551 Unique aggregates announced from the APNIC address blocks: 157 APNIC Region origin ASes present in the Internet Routing Table: 1976 APNIC Region origin ASes announcing only one prefix: 601 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: 528897 Equivalent to 0 /8s, 8 /16s and 18 /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: 76425 Total ARIN prefixes after maximum aggregation: 8933 Prefixes being announced from the ARIN address blocks: 747 Unique aggregates announced from the ARIN address blocks: 43 ARIN Region origin ASes present in the Internet Routing Table: 8885 ARIN Region origin ASes announcing only one prefix: 3148 ARIN Region transit ASes present in the Internet Routing Table: 861 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 24064 Equivalent to 0 /8s, 0 /16s and 94 /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: 23694 Total RIPE prefixes after maximum aggregation: 5163 Prefixes being announced from the RIPE address blocks: 34 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 5156 RIPE Region origin ASes announcing only one prefix: 2764 RIPE Region transit ASes present in the Internet Routing Table: 896 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 115456 Equivalent to 0 /8s, 1 /16s and 195 /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: 5443 Total LACNIC prefixes after maximum aggregation: 364 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: 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: 1161 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: 10 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 1033 0 1 Telstra Pty Ltd 4134 660 34 5 Data Communications Bureau 4766 407 0 1 Korea Internet Exchange for " 2907 360 0 1 SINET Japan 4755 354 20 70 Videsh Sanchar Nigam Ltd. Aut 9443 349 0 2 Primus Telecommunications 9583 347 0 1 Satyam Infoway Ltd., 7474 346 0 2 Optus Communications Pty Ltd 703 339 0 2 UUNET 17557 323 0 1 Pakistan Telecom 2764 296 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 203 0 1 China Netcom Corp. 9498 191 0 1 BHARTI BT INTERNET LTD. 4804 165 0 1 Microplex PTY LTD 9304 152 0 1 Hutchison Telecom (HK) 17964 151 0 1 Beijing Dian-Xin-Tong Network 4739 150 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1378 0 1 AT&T 701 1345 0 1 UUNET Technologies, Inc. 1239 949 0 1 Sprint 3356 823 0 1 Level 3 Communications, LLC 6197 732 0 1 BellSouth Network Solutions, 209 720 0 1 Qwest 18566 688 0 1 Covad Communications 4323 685 0 1 Time Warner Communications, I 20115 610 0 1 Charter Communications 6198 544 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 702 684 0 1 UUNET - Commercial IP service 3301 336 0 1 TeliaNet Sweden 3320 282 0 1 Deutsche Telekom AG 8220 267 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 190 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 159 0 1 France Telecom Transpac 5400 145 0 1 BT Ignite European Backbone 3303 138 0 1 Swisscom Ltd 6746 126 0 2 Dynamic Network Technologies, 12302 126 0 1 MobiFon S.A. 3269 124 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 356 0 1 ImpSat 8151 258 0 1 UniNet S.A. de C.V. 11172 205 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 138 0 1 AVANTEL, S.A. 7303 137 0 1 Telecom Argentina Stet-France 6505 130 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 71 0 1 Red de Interconexion Universi 11311 67 0 1 Sinectis S.A. 7080 66 0 1 Electronica y Comunicaciones 14420 63 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 7738 58 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 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 1033 1032 Telstra Pty Ltd 1239 949 948 Sprint 3356 823 822 Level 3 Communications, LLC 6197 732 731 BellSouth Network Solutions, 209 720 719 Qwest 18566 688 687 Covad Communications 4323 685 684 Time Warner Communications, I 702 684 683 UUNET - Commercial IP service 4134 660 655 Data Communications Bureau 20115 610 609 Charter Communications 6198 544 543 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 407 406 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 /16:3 /17:6 /18:20 /19:11 /20:23 /21:237 /22:59 /23:447 /24:130547 /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 32 165 GENUITY 4755 19 354 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 6746 11 126 Dynamic Network Technologies, 2647 3 80 SITA 3762 3 50 Instinet 7474 3 346 Optus Communications Pty Ltd 17430 3 68 Great Wall Broadband Network 2914 2 268 Verio, Inc. 3216 2 30 Teleross, Moscow, Russia 4134 2 660 Data Communications Bureau 17676 2 296 XTAGE CORPORATION 20661 2 6 TMtelecom ISP ASN 2561 1 58 Egyptian Universities Network 4628 1 51 Pacific Internet Pte Ltd 4812 1 76 China Telecom (Group) 6517 1 248 Yipes Communications, Inc. 6736 1 46 IRANET/IPM 7381 1 13 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:3 63:1 64:3 69:1 192:4 193:8 194:3 195:4 198:3 202:35 203:64900 206:1 207:3 209:10 210:1 216:16 217:3 219:11 End of report