Routing Table Report 04:00 +10GMT Sun 04 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134151 Prefixes after maximum aggregation: 17018 Unique aggregates announced to Internet: 255 Total ASes present in the Internet Routing Table: 16892 Origin-only ASes present in the Internet Routing Table: 14656 Origin ASes announcing only one prefix: 6786 Transit ASes present in the Internet Routing Table: 2236 Transit-only ASes present in the Internet Routing Table: 74 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 780801 Equivalent to 0 /8s, 11 /16s and 234 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 60.0 Total number of prefixes smaller than registry allocations: 770 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25478 Total APNIC prefixes after maximum aggregation: 2154 Prefixes being announced from the APNIC address blocks: 133355 Unique aggregates announced from the APNIC address blocks: 194 APNIC Region origin ASes present in the Internet Routing Table: 2015 APNIC Region origin ASes announcing only one prefix: 614 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 640513 Equivalent to 0 /8s, 9 /16s and 198 /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: 77288 Total ARIN prefixes after maximum aggregation: 9086 Prefixes being announced from the ARIN address blocks: 761 Unique aggregates announced from the ARIN address blocks: 55 ARIN Region origin ASes present in the Internet Routing Table: 9029 ARIN Region origin ASes announcing only one prefix: 3205 ARIN Region transit ASes present in the Internet Routing Table: 890 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 41984 Equivalent to 0 /8s, 0 /16s and 164 /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: 24520 Total RIPE prefixes after maximum aggregation: 5320 Prefixes being announced from the RIPE address blocks: 11 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5315 RIPE Region origin ASes announcing only one prefix: 2844 RIPE Region transit ASes present in the Internet Routing Table: 918 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5696 Total LACNIC prefixes after maximum aggregation: 366 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 366 LACNIC Region origin ASes announcing only one prefix: 99 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: 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: 1158 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: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.8 Max AfriNIC Region AS path length visible: 18 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 1000 0 1 Telstra Pty Ltd 4134 683 32 4 Data Communications Bureau 4766 454 0 1 Korea Internet Exchange for " 9583 430 0 1 Satyam Infoway Ltd., 4755 362 22 95 Videsh Sanchar Nigam Ltd. Aut 9443 360 0 2 Primus Telecommunications 2907 359 0 1 SINET Japan 7474 350 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 17557 319 0 1 Pakistan Telecom 17676 308 1 3 XTAGE CORPORATION 2764 298 0 1 connect.com.au pty ltd 9929 283 0 1 China Netcom Corp. 9800 217 0 1 CHINA UNICOM 9942 200 0 5 COMindico Australia 9498 191 0 2 BHARTI BT INTERNET LTD. 9304 180 0 1 Hutchison Telecom (HK) 4804 176 0 1 Microplex PTY LTD 4837 172 0 1 chinanet IDC center beijing n 7633 160 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1399 0 1 AT&T 701 1296 0 1 UUNET Technologies, Inc. 1239 956 0 1 Sprint 3356 888 0 1 Level 3 Communications, LLC 209 735 0 1 Qwest 18566 696 0 1 Covad Communications 4323 694 0 1 Time Warner Communications, I 6197 685 0 1 BellSouth Network Solutions, 20115 596 0 1 Charter Communications 6198 555 0 1 BellSouth Network Solutions, 7843 532 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 482 0 1 Southwestern Bell Internet Se 2386 428 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 690 392 0 1 Merit Network 4355 384 0 1 EarthLink, Inc. 22909 380 0 1 Comcast Cable Corporation 6347 372 0 1 SAVVIS Communications Corpora 19029 366 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 670 0 1 UUNET - Commercial IP service 3320 291 0 1 Deutsche Telekom AG 3301 270 0 1 TeliaNet Sweden 8220 266 0 1 COLT Internet - International 680 245 0 1 DFN-IP service G-WiN 1257 233 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 196 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 3215 166 0 1 France Telecom Transpac 5515 166 0 1 Sonera Solution Autonomous Sy 25186 163 0 1 France Telecom Transpac's Tra 5400 152 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 119 0 1 Cable & Wireless Deutschland 2856 116 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 377 0 1 ImpSat 8151 261 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 162 0 1 NSS, S.A. 7303 140 0 1 Telecom Argentina Stet-France 6503 137 0 1 AVANTEL, S.A. 6505 133 0 1 Global One Communicaoes Ltda 6147 131 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 11992 88 0 1 Integrated Systems 6535 79 0 1 Chilesat Servicios Empresari 15311 77 0 1 Telefonica Empresas 14420 73 0 1 ANDINATEL S.A. 4270 71 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 14535 69 0 1 Techtel S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA 7738 62 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 0 1 The Internet Solution 5536 105 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 89 0 1 The Internetworking Company o 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 32 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 0 1 Itissalat Al-MAGHRIB 8524 22 0 1 AUCEGYPT Autonomous System 14988 22 0 1 Botswana Telecommunications C 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 20928 15 0 1 Noor Advanced Technologies AS 2609 13 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1296 1295 UUNET Technologies, Inc. 1221 1000 999 Telstra Pty Ltd 1239 956 955 Sprint 3356 888 887 Level 3 Communications, LLC 209 735 734 Qwest 18566 696 695 Covad Communications 4323 694 693 Time Warner Communications, I 6197 685 684 BellSouth Network Solutions, 4134 683 679 Data Communications Bureau 702 670 669 UUNET - Commercial IP service 20115 596 595 Charter Communications 6198 555 554 BellSouth Network Solutions, 7843 532 531 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 482 481 Southwestern Bell Internet Se 4766 454 453 Korea Internet Exchange for " 9583 430 429 Satyam Infoway Ltd., 2386 428 427 AT&T Data Communications Serv 27364 404 403 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 29975 UNALLOCATED 203.14.8.16/24 3741 The Internet Solutio 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 /15:0 /16:7 /17:6 /18:25 /19:14 /20:19 /21:239 /22:60 /23:448 /24:133330 /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 676 696 Covad Communications 1 30 106 GENUITY 4755 20 362 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 22801 7 15 INTAP, LLC 2647 3 79 SITA 2828 3 123 XO Communications 7474 3 350 Optus Communications Pty Ltd 2914 2 270 Verio, Inc. 4134 2 683 Data Communications Bureau 4816 2 2 China Telecom (Group) 9809 2 9 New Era Foundation System Co. 17676 2 308 XTAGE CORPORATION 21576 2 7 Telentente, Inc. 4628 1 51 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 9506 1 26 Magix Broadband Network 25315 1 1 AEG ASN Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:2 65:4 69:1 192:3 195:1 198:2 200:1 202:49 203:2149 204:1 205:2 206:1 207:3 209:9 216:14 218:1 219:12 End of report