Routing Table Report 04:00 +10GMT Mon 15 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133081 Prefixes after maximum aggregation: 16880 Unique aggregates announced to Internet: 231 Total ASes present in the Internet Routing Table: 16761 Origin-only ASes present in the Internet Routing Table: 14543 Origin ASes announcing only one prefix: 6756 Transit ASes present in the Internet Routing Table: 2218 Transit-only ASes present in the Internet Routing Table: 69 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: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 669185 Equivalent to 0 /8s, 10 /16s and 54 /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: 806 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25038 Total APNIC prefixes after maximum aggregation: 2118 Prefixes being announced from the APNIC address blocks: 132256 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 2005 APNIC Region origin ASes announcing only one prefix: 608 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: 529409 Equivalent to 0 /8s, 8 /16s and 20 /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: 76826 Total ARIN prefixes after maximum aggregation: 9035 Prefixes being announced from the ARIN address blocks: 773 Unique aggregates announced from the ARIN address blocks: 64 ARIN Region origin ASes present in the Internet Routing Table: 8984 ARIN Region origin ASes announcing only one prefix: 3205 ARIN Region transit ASes present in the Internet Routing Table: 880 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 39168 Equivalent to 0 /8s, 0 /16s and 153 /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: 24356 Total RIPE prefixes after maximum aggregation: 5276 Prefixes being announced from the RIPE address blocks: 23 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5253 RIPE Region origin ASes announcing only one prefix: 2821 RIPE Region transit ASes present in the Internet Routing Table: 904 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 100608 Equivalent to 0 /8s, 1 /16s and 137 /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: 5638 Total LACNIC prefixes after maximum aggregation: 359 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 359 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 70 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: 1209 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 1017 0 1 Telstra Pty Ltd 4134 650 34 5 Data Communications Bureau 4766 436 0 1 Korea Internet Exchange for " 9583 388 0 1 Satyam Infoway Ltd., 4755 362 21 73 Videsh Sanchar Nigam Ltd. Aut 2907 360 0 1 SINET Japan 9443 360 0 2 Primus Telecommunications 7474 349 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 17557 336 0 1 Pakistan Telecom 2764 302 0 1 connect.com.au pty ltd 17676 299 1 3 XTAGE CORPORATION 9942 216 0 5 COMindico Australia 9800 214 0 1 CHINA UNICOM 9929 209 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 7633 155 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1388 0 1 AT&T 701 1309 0 1 UUNET Technologies, Inc. 1239 969 0 1 Sprint 3356 853 0 1 Level 3 Communications, LLC 209 722 0 1 Qwest 18566 691 0 1 Covad Communications 4323 690 0 1 Time Warner Communications, I 6197 679 0 1 BellSouth Network Solutions, 20115 625 0 1 Charter Communications 6198 547 0 1 BellSouth Network Solutions, 852 513 0 1 Telus Advanced Communications 7843 493 0 1 Adelphia Corp. 7132 471 0 1 Southwestern Bell Internet Se 2386 429 0 1 AT&T Data Communications Serv 690 396 0 1 Merit Network 27364 388 0 1 Armstrong Cable Services 4355 385 0 1 EarthLink, Inc. 19029 374 0 1 New Edge Networks 22909 372 0 1 Comcast Cable Corporation 6347 371 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 675 0 1 UUNET - Commercial IP service 3301 338 0 1 TeliaNet Sweden 3320 285 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 193 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 172 0 1 Romania Data Systems S.A. 5515 168 0 1 Sonera Solution Autonomous Sy 1273 167 3 20 Cable & Wireless Deutschland 25186 165 0 1 France Telecom Transpac's Tra 3215 164 0 1 France Telecom Transpac 5400 150 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 125 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 2856 116 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 375 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 140 0 1 AVANTEL, S.A. 7303 138 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 132 0 1 Telefonica Del Peru 11992 100 0 1 Integrated Systems 11556 88 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 15311 78 0 1 Telefonica Empresas 4270 70 0 1 Red de Interconexion Universi 11311 70 0 1 Sinectis S.A. 14535 68 0 1 Techtel S.A. 5639 64 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 14420 64 0 1 ANDINATEL S.A. 7738 62 0 1 Telecomunicacoes da Bahia S.A 10292 62 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 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 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 8524 23 0 1 AUCEGYPT Autonomous System 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 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 1309 1308 UUNET Technologies, Inc. 1221 1017 1016 Telstra Pty Ltd 1239 969 968 Sprint 3356 853 852 Level 3 Communications, LLC 209 722 721 Qwest 18566 691 690 Covad Communications 4323 690 689 Time Warner Communications, I 6197 679 678 BellSouth Network Solutions, 702 675 674 UUNET - Commercial IP service 4134 650 645 Data Communications Bureau 20115 625 624 Charter Communications 6198 547 546 BellSouth Network Solutions, 852 513 512 Telus Advanced Communications 7843 493 492 Adelphia Corp. 7132 471 470 Southwestern Bell Internet Se 4766 436 435 Korea Internet Exchange for " 2386 429 428 AT&T Data Communications Serv 690 396 395 Merit Network 9583 388 387 Satyam Infoway Ltd., List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 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 /16:5 /17:6 /18:19 /19:11 /20:22 /21:243 /22:59 /23:450 /24:132263 /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 32 167 Cable & Wireless Deutschland 1 30 127 GENUITY 4755 21 362 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 13313 6 13 Applied Business and Computer 4812 4 75 China Telecom (Group) 2647 3 80 SITA 2828 3 121 XO Communications 7474 3 349 Optus Communications Pty Ltd 8503 3 54 PCNET Data Network S.A. 17430 3 69 Great Wall Broadband Network 2914 2 269 Verio, Inc. 4134 2 650 Data Communications Bureau 17676 2 299 XTAGE CORPORATION 21576 2 7 Telentente, Inc. 4243 1 34 First Union National Bank Cor 4628 1 51 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:6 63:5 64:2 65:5 69:1 80:1 166:7 192:2 193:1 195:2 202:36 203:1067 205:1 206:2 207:4 208:11 209:10 210:1 216:14 217:1 219:12 End of report