This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 20 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135465 Prefixes after maximum aggregation: 82500 Unique aggregates announced to Internet: 65130 Total ASes present in the Internet Routing Table: 16900 Origin-only ASes present in the Internet Routing Table: 14655 Origin ASes announcing only one prefix: 6783 Transit ASes present in the Internet Routing Table: 2245 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 31 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: 16 Number of addresses announced to Internet: 1289108580 Equivalent to 76 /8s, 214 /16s and 60 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 60535 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25411 Total APNIC prefixes after maximum aggregation: 13423 Prefixes being announced from the APNIC address blocks: 23749 Unique aggregates announced from the APNIC address blocks: 13555 APNIC Region origin ASes present in the Internet Routing Table: 2029 APNIC Region origin ASes announcing only one prefix: 605 APNIC Region transit ASes present in the Internet Routing Table: 326 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 138562944 Equivalent to 8 /8s, 66 /16s and 77 /24s Percentage of available APNIC address space announced: 74.7 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: 78356 Total ARIN prefixes after maximum aggregation: 48425 Prefixes being announced from the ARIN address blocks: 60688 Unique aggregates announced from the ARIN address blocks: 21268 ARIN Region origin ASes present in the Internet Routing Table: 9049 ARIN Region origin ASes announcing only one prefix: 3220 ARIN Region transit ASes present in the Internet Routing Table: 889 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 220540704 Equivalent to 13 /8s, 37 /16s and 47 /24s Percentage of available ARIN address space announced: 73.0 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: 24768 Total RIPE prefixes after maximum aggregation: 17764 Prefixes being announced from the RIPE address blocks: 21524 Unique aggregates announced from the RIPE address blocks: 13682 RIPE Region origin ASes present in the Internet Routing Table: 5282 RIPE Region origin ASes announcing only one prefix: 2829 RIPE Region transit ASes present in the Internet Routing Table: 913 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 157884416 Equivalent to 9 /8s, 105 /16s and 32 /24s Percentage of available RIPE address space announced: 72.4 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: 5723 Total LACNIC prefixes after maximum aggregation: 2196 Prefixes being announced from the LACNIC address blocks: 5359 Unique aggregates announced from the LACNIC address blocks: 3336 LACNIC Region origin ASes present in the Internet Routing Table: 370 LACNIC Region origin ASes announcing only one prefix: 103 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14355712 Equivalent to 0 /8s, 219 /16s and 13 /24s Percentage of available LACNIC address space announced: 42.8 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: 692 Prefixes being announced from the AfriNIC address blocks: 746 Unique aggregates announced from the AfriNIC address blocks: 559 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: 13 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1839616 Equivalent to 0 /8s, 28 /16s and 18 /24s Percentage of available AfriNIC address space announced: 11.0 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 886 1102 629 Telstra Pty Ltd 4134 664 2751 117 Data Communications Bureau 4766 447 2914 244 Korea Internet Exchange for " 9583 395 37 105 Satyam Infoway Ltd., 4755 364 129 53 Videsh Sanchar Nigam Ltd. Aut 2907 360 1847 336 SINET Japan 9443 357 70 81 Primus Telecommunications 703 342 374 263 UUNET 17557 333 23 169 Pakistan Telecom 17676 299 4412 39 XTAGE CORPORATION 2764 296 274 241 connect.com.au pty ltd 7474 271 304 211 Optus Communications Pty Ltd 9942 251 72 142 COMindico Australia 9929 226 155 30 China Netcom Corp. 9800 215 347 55 CHINA UNICOM 9498 196 31 38 BHARTI BT INTERNET LTD. 4837 171 1571 102 chinanet IDC center beijing n 4780 168 193 26 Digital United Inc. 9304 164 157 20 Hutchison Telecom (HK) 7633 160 23 44 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1410 7019 986 AT&T 701 1327 8574 955 UUNET Technologies, Inc. 1239 953 3084 654 Sprint 3356 861 10957 678 Level 3 Communications, LLC 209 721 3502 510 Qwest 4323 695 558 199 Time Warner Communications, I 18566 691 192 8 Covad Communications 6197 683 458 270 BellSouth Network Solutions, 20115 624 350 328 Charter Communications 6198 547 354 196 BellSouth Network Solutions, 7843 536 596 115 Adelphia Corp. 852 514 1127 404 Telus Advanced Communications 7066 500 207 272 Virginia Polytechnic Institut 7132 477 7834 329 Southwestern Bell Internet Se 2386 430 579 231 AT&T Data Communications Serv 690 397 58 267 Merit Network 4355 395 323 101 EarthLink, Inc. 27364 388 28 23 Armstrong Cable Services 376 380 343 112 Reseau Interordinateurs Scien 22909 374 833 24 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 672 2039 562 UUNET - Commercial IP service 3301 339 1178 318 TeliaNet Sweden 3320 288 2477 236 Deutsche Telekom AG 8220 264 410 251 COLT Internet - International 680 242 2027 238 DFN-IP service G-WiN 1257 236 510 196 SWIPnet Swedish IP Network 719 233 288 105 LANLINK autonomous system 13083 216 51 8 Mannesmann Datenverarbeitung 3246 194 451 192 Song Networks 786 175 1826 175 The JANET IP Service 8708 172 111 162 Romania Data Systems S.A. 1273 169 173 101 Cable & Wireless Deutschland 5515 167 762 134 Sonera Solution Autonomous Sy 3215 166 816 80 France Telecom Transpac 25186 165 186 107 France Telecom Transpac's Tra 5400 148 224 133 BT Ignite European Backbone 3303 137 620 137 Swisscom Ltd 6746 135 27 113 Dynamic Network Technologies, 3269 127 1069 64 TELECOM ITALIA 12302 121 17 28 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 123 65 ImpSat 8151 261 384 127 UniNet S.A. de C.V. 11172 207 75 43 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 143 221 98 AVANTEL, S.A. 7303 136 51 31 Telecom Argentina Stet-France 6147 132 78 20 Telefonica Del Peru 6505 132 90 92 Global One Communicaoes Ltda 11992 99 9 28 Integrated Systems 11556 88 73 25 Cable-Wireless Panama 6535 79 5 19 Chilesat Servicios Empresari 15311 77 18 38 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 11311 70 7 17 Sinectis S.A. 14535 69 6 5 Techtel S.A. 5639 64 7 13 Telecommunications Services o 7080 64 4 1 Electronica y Comunicaciones 14420 64 4 23 ANDINATEL S.A. 7738 63 234 14 Telecomunicacoes da Bahia S.A 10292 63 6 25 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 632 218 The Internet Solution 5536 104 7 12 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 58 6 3 Egyptian Universities Network 11845 36 9 11 Data Pro Business Online 3208 33 2 1 ARN Network 9129 32 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 12455 24 4 2 Jambonet Autonomous system 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 8524 22 2 4 AUCEGYPT Autonomous System 14988 22 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 15808 16 1 7 Communication Solutions Ltd i 15825 16 1 9 Network Computer Systems Auto 12258 15 3 10 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 691 683 Covad Communications 4134 664 547 Data Communications Bureau 4323 695 496 Time Warner Communications, I 7843 536 421 Adelphia Corp. 6197 683 413 BellSouth Network Solutions, 701 1327 372 UUNET Technologies, Inc. 27364 388 365 Armstrong Cable Services 6198 547 351 BellSouth Network Solutions, 22909 374 350 Comcast Cable Corporation 5668 353 338 Century Telephone 6140 379 314 ImpSat 22773 352 314 Cox Communications, Inc. Atla 4755 364 311 Videsh Sanchar Nigam Ltd. Aut 1239 953 299 Sprint 20115 624 296 Charter Communications 4355 395 294 EarthLink, Inc. 9583 395 290 Satyam Infoway Ltd., 6347 372 290 SAVVIS Communications Corpora 9443 357 276 Primus Telecommunications 376 380 268 Reseau Interordinateurs Scien List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 29975 UNALLOCATED 196.46.160.0/20 3741 The Internet Solutio 64541 PRIVATE 209.120.215.0/24 22551 Anobi Technology Cor 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:3 /10:6 /11:15 /12:57 /13:106 /14:291 /15:508 /16:7637 /17:1947 /18:3520 /19:9112 /20:9544 /21:6953 /22:9782 /23:11287 /24:73914 /25:202 /26:307 /27:161 /28:31 /29:7 /30:41 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 674 691 Covad Communications 6197 523 683 BellSouth Network Solutions, 7018 505 1410 AT&T 3356 470 861 Level 3 Communications, LLC 702 408 672 UUNET - Commercial IP service 6198 396 547 BellSouth Network Solutions, 7066 395 500 Virginia Polytechnic Institut 27364 381 388 Armstrong Cable Services 20115 376 624 Charter Communications 701 362 1327 UUNET Technologies, Inc. 690 360 397 Merit Network 1239 351 953 Sprint 5668 312 353 Century Telephone 4766 269 447 Korea Internet Exchange for " 25844 244 244 Skadden, Arps, Slate, Meagher 9583 242 395 Satyam Infoway Ltd., 19029 241 371 New Edge Networks 3320 235 288 Deutsche Telekom AG 6517 231 253 Yipes Communications, Inc. 14824 231 256 NewSouth Communications Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:813 13:1 15:4 16:1 17:3 20:6 24:830 32:84 38:53 40:56 44:3 55:1 56:1 57:13 61:385 62:496 63:1827 64:1890 65:1948 66:2412 67:286 68:578 69:449 80:473 81:273 82:131 83:14 128:142 129:254 130:75 131:78 132:16 134:178 135:16 136:150 137:107 138:152 139:45 140:148 141:146 142:108 143:49 144:71 145:40 146:298 147:76 148:370 149:85 150:97 151:62 152:216 153:60 154:1 155:124 156:61 157:57 158:147 159:144 160:51 161:55 162:376 163:78 164:321 165:164 166:110 167:208 168:210 169:99 170:301 171:8 192:5488 193:2645 194:2029 195:1321 196:523 198:3653 199:2965 200:3185 201:7 202:4511 203:5480 204:2977 205:1991 206:2244 207:2602 208:2358 209:2898 210:1186 211:506 212:920 213:1105 214:26 215:26 216:3337 217:866 218:154 219:105 220:192 221:20 222:6 End of report