Routing Table Report 04:00 +10GMT Fri 27 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 132026 Prefixes after maximum aggregation: 16839 Unique aggregates announced to Internet: 257 Total ASes present in the Internet Routing Table: 16631 Origin-only ASes present in the Internet Routing Table: 14433 Origin ASes announcing only one prefix: 6683 Transit ASes present in the Internet Routing Table: 2198 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: 7 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 670977 Equivalent to 0 /8s, 10 /16s and 61 /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: 946 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24888 Total APNIC prefixes after maximum aggregation: 2109 Prefixes being announced from the APNIC address blocks: 131035 Unique aggregates announced from the APNIC address blocks: 167 APNIC Region origin ASes present in the Internet Routing Table: 1990 APNIC Region origin ASes announcing only one prefix: 605 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: 21 Number of APNIC addresses announced to Internet: 531969 Equivalent to 0 /8s, 8 /16s and 30 /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: 76484 Total ARIN prefixes after maximum aggregation: 8982 Prefixes being announced from the ARIN address blocks: 739 Unique aggregates announced from the ARIN address blocks: 44 ARIN Region origin ASes present in the Internet Routing Table: 8925 ARIN Region origin ASes announcing only one prefix: 3163 ARIN Region transit ASes present in the Internet Routing Table: 871 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 26624 Equivalent to 0 /8s, 0 /16s and 104 /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: 23932 Total RIPE prefixes after maximum aggregation: 5286 Prefixes being announced from the RIPE address blocks: 194 Unique aggregates announced from the RIPE address blocks: 46 RIPE Region origin ASes present in the Internet Routing Table: 5202 RIPE Region origin ASes announcing only one prefix: 2793 RIPE Region transit ASes present in the Internet Routing Table: 893 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 112384 Equivalent to 0 /8s, 1 /16s and 183 /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: 5529 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: 100 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: 1177 Total AfriNIC prefixes after maximum aggregation: 98 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: 90 AfriNIC Region origin ASes announcing only one prefix: 22 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 1030 0 1 Telstra Pty Ltd 4134 660 34 5 Data Communications Bureau 4766 421 0 1 Korea Internet Exchange for " 2907 362 0 1 SINET Japan 4755 361 20 71 Videsh Sanchar Nigam Ltd. Aut 9443 350 0 2 Primus Telecommunications 7474 343 0 2 Optus Communications Pty Ltd 9583 342 0 1 Satyam Infoway Ltd., 703 340 0 2 UUNET 17557 331 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 208 0 5 COMindico Australia 9929 207 0 1 China Netcom Corp. 9498 191 0 1 BHARTI BT INTERNET LTD. 9304 176 0 1 Hutchison Telecom (HK) 4804 165 0 1 Microplex PTY LTD 4837 162 0 1 chinanet IDC center beijing n 4739 153 0 6 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1383 0 1 AT&T 701 1324 0 1 UUNET Technologies, Inc. 1239 946 0 1 Sprint 3356 818 0 1 Level 3 Communications, LLC 6197 733 0 1 BellSouth Network Solutions, 209 717 0 1 Qwest 18566 690 0 1 Covad Communications 4323 688 0 1 Time Warner Communications, I 20115 609 0 1 Charter Communications 6198 545 0 1 BellSouth Network Solutions, 852 505 0 1 Telus Advanced Communications 7843 493 0 1 Adelphia Corp. 7132 465 0 1 Southwestern Bell Internet Se 2386 430 0 1 AT&T Data Communications Serv 690 397 0 1 Merit Network 19029 387 0 1 New Edge Networks 4355 385 0 1 EarthLink, Inc. 27364 382 0 1 Armstrong Cable Services 6347 365 0 1 SAVVIS Communications Corpora 22773 347 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 676 0 1 UUNET - Commercial IP service 3301 336 0 1 TeliaNet Sweden 3320 284 0 1 Deutsche Telekom AG 8220 265 0 1 COLT Internet - International 680 242 0 1 DFN-IP service G-WiN 1257 229 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 192 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 165 2 8 France Telecom Transpac's Tra 3215 163 0 1 France Telecom Transpac 5400 149 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 128 0 1 Dynamic Network Technologies, 1273 125 0 1 Cable & Wireless Deutschland 3269 125 0 1 TELECOM ITALIA 12302 122 0 1 MobiFon S.A. 2856 117 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 360 0 1 ImpSat 8151 262 0 1 UniNet S.A. de C.V. 11172 203 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 140 0 1 AVANTEL, S.A. 7303 136 0 1 Telecom Argentina Stet-France 6505 131 0 1 Global One Communicaoes Ltda 6147 124 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 6535 78 0 1 Chilesat Servicios Empresari 15311 78 0 1 Telefonica Empresas 11992 77 0 1 Integrated Systems 4270 70 0 1 Red de Interconexion Universi 11311 68 0 1 Sinectis S.A. 7080 66 0 1 Electronica y Comunicaciones 14420 64 0 1 ANDINATEL S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 5639 61 0 1 Telecommunications Services o 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 1916 60 0 1 Fundacao de Amparo a Pesquisa AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 0 1 The Internet Solution 5536 105 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 9129 31 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 24835 23 0 1 RAYA Telecom - Egypt 6713 22 4 2 Itissalat Al-MAGHRIB 8524 19 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 2 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1324 1323 UUNET Technologies, Inc. 1221 1030 1029 Telstra Pty Ltd 1239 946 945 Sprint 3356 818 817 Level 3 Communications, LLC 6197 733 732 BellSouth Network Solutions, 209 717 716 Qwest 18566 690 689 Covad Communications 4323 688 687 Time Warner Communications, I 702 676 675 UUNET - Commercial IP service 4134 660 655 Data Communications Bureau 20115 609 608 Charter Communications 6198 545 544 BellSouth Network Solutions, 852 505 504 Telus Advanced Communications 7843 493 492 Adelphia Corp. 7132 465 464 Southwestern Bell Internet Se 2386 430 429 AT&T Data Communications Serv 4766 421 420 Korea Internet Exchange for " 690 397 396 Merit Network 19029 387 386 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 65501 PRIVATE 203.14.8.16/24 1273 Cable & Wireless Deu 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65506 PRIVATE 203.14.8.16/24 1273 Cable & Wireless Deu 65506 PRIVATE 203.14.8.16/24 1273 Cable & Wireless Deu 65510 PRIVATE 203.14.8.16/24 1273 Cable & Wireless Deu 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 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 /15:2 /16:15 /17:10 /18:28 /19:44 /20:51 /21:246 /22:61 /23:456 /24:131110 /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 669 690 Covad Communications 1 32 157 GENUITY 21152 29 29 AS for the uplinks of Soficom 4755 21 361 Videsh Sanchar Nigam Ltd. Aut 12479 19 27 Uni2 Autonomous System 3758 11 47 SingNet 5583 11 36 Equant Nederland (former Glob 5536 10 105 Internet Egypt Network 16034 9 17 KeConnect Internet AS 2874 7 78 Global One Services AB 3225 6 6 Gulfnet Kuwait 10282 6 20 Global One 25186 6 165 France Telecom Transpac's Tra 2647 5 80 SITA 4004 5 56 Sprint International 5511 5 84 France Telecom 8717 5 35 Spectrum NET 15804 5 8 AS of The Way Out Internet So 20880 5 7 A townwide IP over TV-cable n 6853 4 24 GLOBAL-ONE-PORTUGAL Number of /24s announced per /8 block (Global) ---------------------------------------------- 40:1 57:3 61:3 62:65 64:3 69:1 192:4 194:4 195:1 198:1 202:35 203:65373 207:3 208:1 209:9 210:1 212:5 213:34 216:15 219:12 End of report