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 28 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133874 Prefixes after maximum aggregation: 81885 Unique aggregates announced to Internet: 56016 Total ASes present in the Internet Routing Table: 16723 Origin-only ASes present in the Internet Routing Table: 14506 Origin ASes announcing only one prefix: 6702 Transit ASes present in the Internet Routing Table: 2217 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 31 Illegal AS announcements present in the Routing Table: 21 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1349061060 Equivalent to 80 /8s, 105 /16s and 9 /24s Percentage of available address space announced: 36.4 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 59334 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25018 Total APNIC prefixes after maximum aggregation: 13252 Prefixes being announced from the APNIC address blocks: 23409 Unique aggregates announced from the APNIC address blocks: 13173 APNIC Region origin ASes present in the Internet Routing Table: 2006 APNIC Region origin ASes announcing only one prefix: 594 APNIC Region transit ASes present in the Internet Routing Table: 319 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 145874560 Equivalent to 8 /8s, 177 /16s and 222 /24s Percentage of available APNIC address space announced: 78.6 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: 77952 Total ARIN prefixes after maximum aggregation: 48275 Prefixes being announced from the ARIN address blocks: 60255 Unique aggregates announced from the ARIN address blocks: 14673 ARIN Region origin ASes present in the Internet Routing Table: 8976 ARIN Region origin ASes announcing only one prefix: 3177 ARIN Region transit ASes present in the Internet Routing Table: 882 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 249358336 Equivalent to 14 /8s, 220 /16s and 232 /24s Percentage of available ARIN address space announced: 82.6 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: 24126 Total RIPE prefixes after maximum aggregation: 17475 Prefixes being announced from the RIPE address blocks: 20980 Unique aggregates announced from the RIPE address blocks: 11775 RIPE Region origin ASes present in the Internet Routing Table: 5215 RIPE Region origin ASes announcing only one prefix: 2806 RIPE Region transit ASes present in the Internet Routing Table: 897 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 172105344 Equivalent to 10 /8s, 66 /16s and 30 /24s Percentage of available RIPE address space announced: 78.9 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: 5583 Total LACNIC prefixes after maximum aggregation: 2209 Prefixes being announced from the LACNIC address blocks: 5311 Unique aggregates announced from the LACNIC address blocks: 3216 LACNIC Region origin ASes present in the Internet Routing Table: 369 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: 5.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14329344 Equivalent to 0 /8s, 218 /16s and 166 /24s Percentage of available LACNIC address space announced: 42.7 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1175 Total AfriNIC prefixes after maximum aggregation: 674 Prefixes being announced from the AfriNIC address blocks: 746 Unique aggregates announced from the AfriNIC address blocks: 558 AfriNIC Region origin ASes present in the Internet Routing Table: 89 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1766400 Equivalent to 0 /8s, 26 /16s and 244 /24s Percentage of available AfriNIC address space announced: 10.5 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 897 1086 643 Telstra Pty Ltd 4134 669 2491 118 Data Communications Bureau 4766 430 2913 236 Korea Internet Exchange for " 4755 361 130 59 Videsh Sanchar Nigam Ltd. Aut 2907 359 1846 336 SINET Japan 9583 350 42 24 Satyam Infoway Ltd., 9443 347 70 81 Primus Telecommunications 703 339 374 262 UUNET 17557 332 24 162 Pakistan Telecom 2764 296 274 241 connect.com.au pty ltd 17676 296 4364 37 XTAGE CORPORATION 7474 269 303 209 Optus Communications Pty Ltd 9942 231 70 132 COMindico Australia 9929 228 155 30 China Netcom Corp. 9800 215 347 55 CHINA UNICOM 9498 190 30 36 BHARTI BT INTERNET LTD. 4837 164 1571 102 chinanet IDC center beijing n 9304 164 159 23 Hutchison Telecom (HK) 4739 151 60 138 Commerical Internet eXchange 7633 149 23 42 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1402 7234 982 AT&T 701 1345 8611 961 UUNET Technologies, Inc. 1239 939 3081 655 Sprint 3356 839 10954 676 Level 3 Communications, LLC 6197 735 443 271 BellSouth Network Solutions, 209 717 3531 503 Qwest 18566 691 192 9 Covad Communications 4323 690 543 203 Time Warner Communications, I 20115 616 343 339 Charter Communications 6198 546 354 196 BellSouth Network Solutions, 852 505 1123 400 Telus Advanced Communications 7066 498 206 270 Virginia Polytechnic Institut 7843 493 582 121 Adelphia Corp. 7132 467 7834 321 Southwestern Bell Internet Se 2386 432 579 230 AT&T Data Communications Serv 690 397 58 267 Merit Network 4355 397 323 103 EarthLink, Inc. 19029 387 168 248 New Edge Networks 27364 382 28 23 Armstrong Cable Services 376 381 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 678 2052 564 UUNET - Commercial IP service 3301 336 1178 315 TeliaNet Sweden 3320 286 1965 234 Deutsche Telekom AG 8220 264 411 252 COLT Internet - International 680 242 2027 238 DFN-IP service G-WiN 719 233 288 105 LANLINK autonomous system 1257 229 506 190 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 191 447 189 Song Networks 786 175 1826 175 The JANET IP Service 8708 172 111 162 Romania Data Systems S.A. 5515 169 762 135 Sonera Solution Autonomous Sy 25186 165 185 108 France Telecom Transpac's Tra 3215 163 800 77 France Telecom Transpac 5400 151 223 134 BT Ignite European Backbone 3303 148 37418 137 Swisscom Ltd 6746 128 19 112 Dynamic Network Technologies, 3269 125 1037 65 TELECOM ITALIA 12302 122 18 29 MobiFon S.A. 2856 117 1294 107 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 361 121 64 ImpSat 8151 260 384 128 UniNet S.A. de C.V. 11172 206 77 43 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 140 204 94 AVANTEL, S.A. 7303 136 51 31 Telecom Argentina Stet-France 6505 131 90 91 Global One Communicaoes Ltda 6147 124 78 20 Telefonica Del Peru 11556 88 73 25 Cable-Wireless Panama 11992 79 25 29 Integrated Systems 15311 79 18 38 Telefonica Empresas 6535 78 5 20 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 11311 69 7 17 Sinectis S.A. 7080 66 4 2 Electronica y Comunicaciones 14420 64 4 25 ANDINATEL S.A. 8065 62 16 23 Empresas Publicas de Medellin 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 5639 61 7 12 Telecommunications Services o 10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 105 8 3 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 32 2 1 ARN Network 9129 31 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 19 2 4 AUCEGYPT Autonomous System 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 12258 15 3 10 Vodacom Internet Company 17148 14 1 8 First National Bank 8346 13 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 691 682 Covad Communications 4134 669 551 Data Communications Bureau 4323 690 487 Time Warner Communications, I 6197 735 464 BellSouth Network Solutions, 701 1345 384 UUNET Technologies, Inc. 7843 493 372 Adelphia Corp. 27364 382 359 Armstrong Cable Services 6198 546 350 BellSouth Network Solutions, 5668 346 331 Century Telephone 9583 350 326 Satyam Infoway Ltd., 22909 344 323 Comcast Cable Corporation 22773 347 311 Cox Communications, Inc. Atla 4755 361 302 Videsh Sanchar Nigam Ltd. Aut 6140 361 297 ImpSat 4355 397 294 EarthLink, Inc. 1239 939 284 Sprint 6347 365 284 SAVVIS Communications Corpora 20115 616 277 Charter Communications 376 381 267 Reseau Interordinateurs Scien 9443 347 266 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 65412 PRIVATE 211.161.0.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.8.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.32.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.34.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.36.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.38.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.40.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.42.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.44.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.46.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.80.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.88.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.0.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.8.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.16.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.24.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.32.0/21 4847 China Networks Inter 65412 PRIVATE 220.113.40.0/21 4847 China Networks Inter 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 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 /8:28 /9:4 /10:6 /11:15 /12:59 /13:106 /14:290 /15:508 /16:7589 /17:1897 /18:3484 /19:9003 /20:9361 /21:6829 /22:9642 /23:11207 /24:73139 /25:195 /26:285 /27:160 /28:28 /29:8 /30:16 /31:0 /32:15 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 674 691 Covad Communications 6197 576 735 BellSouth Network Solutions, 7018 498 1402 AT&T 3356 452 839 Level 3 Communications, LLC 702 413 678 UUNET - Commercial IP service 6198 394 546 BellSouth Network Solutions, 7066 392 498 Virginia Polytechnic Institut 20115 382 616 Charter Communications 701 376 1345 UUNET Technologies, Inc. 27364 375 382 Armstrong Cable Services 690 360 397 Merit Network 1239 335 939 Sprint 5668 305 346 Century Telephone 4766 255 430 Korea Internet Exchange for " 19029 255 387 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 234 286 Deutsche Telekom AG 6517 225 247 Yipes Communications, Inc. 6386 223 249 bellsouth.net, inc. 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:776 13:1 15:4 16:1 17:3 20:6 24:827 32:84 38:51 40:26 44:2 55:1 56:1 57:13 61:378 62:466 63:1830 64:1848 65:1913 66:2352 67:277 68:615 69:422 80:478 81:221 82:86 83:8 128:140 129:255 130:40 131:79 132:16 134:175 135:16 136:185 137:107 138:151 139:42 140:152 141:135 142:106 143:48 144:78 145:37 146:285 147:75 148:366 149:85 150:124 151:62 152:215 153:60 154:1 155:126 156:66 157:50 158:149 159:140 160:51 161:54 162:376 163:74 164:329 165:162 166:99 167:212 168:188 169:106 170:296 171:8 192:5536 193:2590 194:2000 195:1329 196:525 198:3629 199:2955 200:3163 201:7 202:4452 203:5462 204:2991 205:1998 206:2267 207:2596 208:2375 209:2850 210:1113 211:463 212:900 213:1079 214:25 215:26 216:3300 217:853 218:148 219:97 220:171 221:19 222:6 End of report