Routing Table Report 04:00 +10GMT Mon 22 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133577 Prefixes after maximum aggregation: 16924 Unique aggregates announced to Internet: 243 Total ASes present in the Internet Routing Table: 16811 Origin-only ASes present in the Internet Routing Table: 14582 Origin ASes announcing only one prefix: 6773 Transit ASes present in the Internet Routing Table: 2229 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 33 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: 745729 Equivalent to 0 /8s, 11 /16s and 97 /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: 812 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25256 Total APNIC prefixes after maximum aggregation: 2126 Prefixes being announced from the APNIC address blocks: 132758 Unique aggregates announced from the APNIC address blocks: 173 APNIC Region origin ASes present in the Internet Routing Table: 2006 APNIC Region origin ASes announcing only one prefix: 610 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: 601601 Equivalent to 0 /8s, 9 /16s and 46 /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: 76958 Total ARIN prefixes after maximum aggregation: 9039 Prefixes being announced from the ARIN address blocks: 767 Unique aggregates announced from the ARIN address blocks: 60 ARIN Region origin ASes present in the Internet Routing Table: 8994 ARIN Region origin ASes announcing only one prefix: 3205 ARIN Region transit ASes present in the Internet Routing Table: 889 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 35072 Equivalent to 0 /8s, 0 /16s and 137 /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: 24493 Total RIPE prefixes after maximum aggregation: 5303 Prefixes being announced from the RIPE address blocks: 23 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 5279 RIPE Region origin ASes announcing only one prefix: 2833 RIPE Region transit ASes present in the Internet Routing Table: 907 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 109056 Equivalent to 0 /8s, 1 /16s and 170 /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: 5653 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: 99 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.2 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: 1205 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: 11 Average AfriNIC Region AS path length visible: 6.8 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 1020 0 1 Telstra Pty Ltd 4134 648 32 5 Data Communications Bureau 4766 439 0 1 Korea Internet Exchange for " 4755 362 21 74 Videsh Sanchar Nigam Ltd. Aut 9443 362 0 2 Primus Telecommunications 2907 361 0 1 SINET Japan 7474 351 0 2 Optus Communications Pty Ltd 703 342 0 2 UUNET 17557 326 0 1 Pakistan Telecom 9583 320 0 1 Satyam Infoway Ltd., 2764 299 0 1 connect.com.au pty ltd 17676 299 1 3 XTAGE CORPORATION 9930 278 0 1 TIMEOnline dotCom Co. 9942 222 0 5 COMindico Australia 9800 214 0 1 CHINA UNICOM 9929 207 0 1 China Netcom Corp. 9498 197 0 1 BHARTI BT INTERNET LTD. 9304 179 0 1 Hutchison Telecom (HK) 4837 169 0 1 chinanet IDC center beijing n 4804 164 0 1 Microplex PTY LTD ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1386 0 1 AT&T 701 1302 0 1 UUNET Technologies, Inc. 1239 960 0 1 Sprint 3356 859 0 1 Level 3 Communications, LLC 209 724 0 1 Qwest 4323 694 0 1 Time Warner Communications, I 18566 691 0 1 Covad Communications 6197 682 0 1 BellSouth Network Solutions, 20115 623 0 1 Charter Communications 6198 547 0 1 BellSouth Network Solutions, 7843 536 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 477 0 1 Southwestern Bell Internet Se 2386 429 0 1 AT&T Data Communications Serv 690 397 0 1 Merit Network 27364 388 0 1 Armstrong Cable Services 4355 385 0 1 EarthLink, Inc. 22909 374 0 1 Comcast Cable Corporation 6347 373 0 1 SAVVIS Communications Corpora 19029 372 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 671 0 1 UUNET - Commercial IP service 3301 339 0 1 TeliaNet Sweden 3320 286 0 1 Deutsche Telekom AG 8220 264 0 1 COLT Internet - International 680 242 0 1 DFN-IP service G-WiN 1257 236 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 195 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 172 0 1 Romania Data Systems S.A. 1273 168 3 20 Cable & Wireless Deutschland 5515 167 0 1 Sonera Solution Autonomous Sy 3215 166 0 1 France Telecom Transpac 25186 165 0 1 France Telecom Transpac's Tra 5400 147 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 127 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 15557 118 0 1 LDCOM NETWORKS LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 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 136 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 132 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 11992 87 0 1 Integrated Systems 6535 79 0 1 Chilesat Servicios Empresari 15311 77 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 11311 70 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 14420 64 0 1 ANDINATEL S.A. 7738 63 0 1 Telecomunicacoes da Bahia S.A 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 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 48 0 1 Egyptian Universities Network 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 15825 16 0 1 Network Computer Systems Auto 12258 15 0 1 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1302 1301 UUNET Technologies, Inc. 1221 1020 1019 Telstra Pty Ltd 1239 960 959 Sprint 3356 859 858 Level 3 Communications, LLC 209 724 723 Qwest 4323 694 693 Time Warner Communications, I 18566 691 690 Covad Communications 6197 682 681 BellSouth Network Solutions, 702 671 670 UUNET - Commercial IP service 4134 648 643 Data Communications Bureau 20115 623 622 Charter Communications 6198 547 546 BellSouth Network Solutions, 7843 536 535 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 477 476 Southwestern Bell Internet Se 4766 439 438 Korea Internet Exchange for " 2386 429 428 AT&T Data Communications Serv 690 397 396 Merit Network 27364 388 387 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 64541 PRIVATE 203.14.8.16/24 22551 Anobi Technology Cor 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 /18:20 /19:13 /20:20 /21:245 /22:58 /23:445 /24:132760 /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 671 691 Covad Communications 1273 32 168 Cable & Wireless Deutschland 1 30 117 GENUITY 4755 21 362 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 4835 7 9 China Telecom (Group) 4134 6 648 Data Communications Bureau 17430 4 68 Great Wall Broadband Network 2647 3 77 SITA 2828 3 123 XO Communications 7474 3 351 Optus Communications Pty Ltd 2914 2 268 Verio, Inc. 4816 2 2 China Telecom (Group) 5786 2 167 University of Puerto Rico 17676 2 299 XTAGE CORPORATION 21576 2 7 Telentente, Inc. 23843 2 3 Beijing Telecom Development C 4181 1 58 TDS TELECOM 4628 1 51 Pacific Internet Pte Ltd 5384 1 37 Emirates Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:5 63:1 64:3 65:4 69:2 136:2 166:7 192:2 195:2 198:4 202:42 203:1549 204:1 205:1 206:2 207:4 208:10 209:10 213:1 216:14 217:1 218:9 219:12 End of report