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 07 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 132691 Prefixes after maximum aggregation: 81515 Unique aggregates announced to Internet: 64273 Total ASes present in the Internet Routing Table: 16594 Origin-only ASes present in the Internet Routing Table: 14416 Origin ASes announcing only one prefix: 6658 Transit ASes present in the Internet Routing Table: 2178 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 18 Illegal AS announcements present in the Routing Table: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1284452388 Equivalent to 76 /8s, 143 /16s and 48 /24s Percentage of available address space announced: 34.7 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 58796 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24654 Total APNIC prefixes after maximum aggregation: 13228 Prefixes being announced from the APNIC address blocks: 23075 Unique aggregates announced from the APNIC address blocks: 13287 APNIC Region origin ASes present in the Internet Routing Table: 1991 APNIC Region origin ASes announcing only one prefix: 592 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: 17 Number of APNIC addresses announced to Internet: 135583616 Equivalent to 8 /8s, 20 /16s and 215 /24s Percentage of available APNIC address space announced: 73.1 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: 77585 Total ARIN prefixes after maximum aggregation: 48061 Prefixes being announced from the ARIN address blocks: 60043 Unique aggregates announced from the ARIN address blocks: 20903 ARIN Region origin ASes present in the Internet Routing Table: 8921 ARIN Region origin ASes announcing only one prefix: 3161 ARIN Region transit ASes present in the Internet Routing Table: 854 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 216023392 Equivalent to 12 /8s, 224 /16s and 65 /24s Percentage of available ARIN address space announced: 71.5 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: 23842 Total RIPE prefixes after maximum aggregation: 17343 Prefixes being announced from the RIPE address blocks: 20671 Unique aggregates announced from the RIPE address blocks: 13745 RIPE Region origin ASes present in the Internet Routing Table: 5153 RIPE Region origin ASes announcing only one prefix: 2777 RIPE Region transit ASes present in the Internet Routing Table: 885 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 150909056 Equivalent to 8 /8s, 254 /16s and 176 /24s Percentage of available RIPE address space announced: 69.2 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: 5446 Total LACNIC prefixes after maximum aggregation: 2204 Prefixes being announced from the LACNIC address blocks: 5063 Unique aggregates announced from the LACNIC address blocks: 3217 LACNIC Region origin ASes present in the Internet Routing Table: 369 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 12 Number of LACNIC addresses announced to Internet: 14087680 Equivalent to 0 /8s, 214 /16s and 246 /24s Percentage of available LACNIC address space announced: 42.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1161 Total AfriNIC prefixes after maximum aggregation: 679 Prefixes being announced from the AfriNIC address blocks: 734 Unique aggregates announced from the AfriNIC address blocks: 567 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: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1766144 Equivalent to 0 /8s, 26 /16s and 243 /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 936 1120 663 Telstra Pty Ltd 4134 670 2491 118 Data Communications Bureau 4766 424 2905 249 Korea Internet Exchange for " 2907 360 1831 337 SINET Japan 4755 350 130 58 Videsh Sanchar Nigam Ltd. Aut 9443 345 69 80 Primus Telecommunications 9583 342 40 92 Satyam Infoway Ltd., 703 338 372 261 UUNET 17557 321 23 157 Pakistan Telecom 17676 296 4364 37 XTAGE CORPORATION 2764 279 288 233 connect.com.au pty ltd 7474 276 305 216 Optus Communications Pty Ltd 9942 226 69 129 COMindico Australia 9929 219 154 30 China Netcom Corp. 9800 214 347 55 CHINA UNICOM 9498 182 30 34 BHARTI BT INTERNET LTD. 17964 153 118 60 Beijing Dian-Xin-Tong Network 17642 151 40 110 RequestDSL BGP AS# for Sydney 4739 148 60 135 Commerical Internet eXchange 4837 147 1425 97 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1399 7009 980 AT&T 701 1369 8662 966 UUNET Technologies, Inc. 1239 942 3088 656 Sprint 3356 815 10921 650 Level 3 Communications, LLC 6197 735 442 275 BellSouth Network Solutions, 209 720 3533 509 Qwest 18566 687 192 9 Covad Communications 4323 679 544 202 Time Warner Communications, I 20115 614 336 336 Charter Communications 6198 545 354 195 BellSouth Network Solutions, 7843 506 570 124 Adelphia Corp. 852 503 1123 399 Telus Advanced Communications 7066 501 207 271 Virginia Polytechnic Institut 7132 454 7449 313 Southwestern Bell Internet Se 2386 418 562 221 AT&T Data Communications Serv 690 398 58 268 Merit Network 4355 393 323 99 EarthLink, Inc. 19029 388 168 249 New Edge Networks 376 383 359 114 Reseau Interordinateurs Scien 27364 382 28 23 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 685 2073 570 UUNET - Commercial IP service 3301 336 1174 315 TeliaNet Sweden 3320 284 1971 231 Deutsche Telekom AG 8220 268 411 254 COLT Internet - International 680 241 2027 237 DFN-IP service G-WiN 719 233 288 105 LANLINK autonomous system 1257 227 505 191 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 188 429 186 Song Networks 786 175 1826 175 The JANET IP Service 8708 171 111 162 Romania Data Systems S.A. 5515 169 762 135 Sonera Solution Autonomous Sy 25186 167 201 108 France Telecom Transpac's Tra 3215 157 787 73 France Telecom Transpac 5400 145 221 132 BT Ignite European Backbone 3303 138 620 138 Swisscom Ltd 6746 126 19 111 Dynamic Network Technologies, 12302 125 18 32 MobiFon S.A. 3269 123 1005 65 TELECOM ITALIA 2856 117 1294 107 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 360 121 68 ImpSat 8151 246 368 125 UniNet S.A. de C.V. 11172 204 77 44 Servicios Alestra S.A de C.V 16814 154 10 5 NSS, S.A. 6503 137 204 92 AVANTEL, S.A. 7303 137 51 30 Telecom Argentina Stet-France 6505 132 90 92 Global One Communicaoes Ltda 6147 123 78 20 Telefonica Del Peru 11556 88 73 25 Cable-Wireless Panama 11992 79 25 28 Integrated Systems 15311 78 18 38 Telefonica Empresas 6535 77 5 19 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 7080 66 4 2 Electronica y Comunicaciones 11311 66 7 22 Sinectis S.A. 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA 14420 60 4 26 ANDINATEL S.A. 1916 59 247 39 Fundacao de Amparo a Pesquisa 7738 59 218 13 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 5536 104 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 33 2 1 ARN Network 9129 25 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 12455 22 4 2 Jambonet Autonomous system 8524 18 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 17148 14 1 8 First National Bank 2609 12 10 3 Tunisia BackBone AS 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 687 678 Covad Communications 4134 670 552 Data Communications Bureau 4323 679 477 Time Warner Communications, I 6197 735 460 BellSouth Network Solutions, 701 1369 403 UUNET Technologies, Inc. 7843 506 382 Adelphia Corp. 27364 382 359 Armstrong Cable Services 6198 545 350 BellSouth Network Solutions, 5668 346 330 Century Telephone 22909 337 319 Comcast Cable Corporation 22773 342 309 Cox Communications, Inc. Atla 4355 393 294 EarthLink, Inc. 6140 360 292 ImpSat 4755 350 292 Videsh Sanchar Nigam Ltd. Aut 1239 942 286 Sprint 20115 614 278 Charter Communications 1221 936 273 Telstra Pty Ltd 376 383 269 Reseau Interordinateurs Scien 9443 345 265 Primus Telecommunications 17676 296 259 XTAGE CORPORATION 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 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 23861 UNALLOCATED 210.93.46.0/24 3786 DACOM Corporation 23861 UNALLOCATED 210.93.47.0/24 3786 DACOM Corporation 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 /8:19 /9:4 /10:6 /11:15 /12:58 /13:105 /14:283 /15:502 /16:7566 /17:1879 /18:3478 /19:8924 /20:9259 /21:6775 /22:9542 /23:11078 /24:72473 /25:178 /26:297 /27:163 /28:27 /29:5 /30:44 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 670 687 Covad Communications 6197 577 735 BellSouth Network Solutions, 7018 504 1399 AT&T 3356 437 815 Level 3 Communications, LLC 702 416 685 UUNET - Commercial IP service 7066 395 501 Virginia Polytechnic Institut 701 393 1369 UUNET Technologies, Inc. 6198 393 545 BellSouth Network Solutions, 20115 388 614 Charter Communications 27364 375 382 Armstrong Cable Services 690 361 398 Merit Network 1239 329 942 Sprint 5668 305 346 Century Telephone 19029 255 388 New Edge Networks 4766 247 424 Korea Internet Exchange for " 25844 244 244 Skadden, Arps, Slate, Meagher 3320 232 284 Deutsche Telekom AG 6517 227 251 Yipes Communications, Inc. 6386 222 248 bellsouth.net, inc. 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:771 13:1 15:6 16:1 17:3 20:7 24:844 32:84 38:44 40:26 44:3 55:1 56:1 57:14 61:366 62:468 63:1820 64:1849 65:1846 66:2343 67:272 68:604 69:382 80:454 81:206 82:73 83:2 128:147 129:268 130:78 131:78 132:16 134:174 135:16 136:187 137:113 138:147 139:40 140:160 141:135 142:105 143:46 144:78 145:39 146:289 147:76 148:299 149:85 150:121 151:61 152:214 153:60 154:1 155:134 156:66 157:55 158:134 159:141 160:45 161:52 162:368 163:70 164:329 165:163 166:106 167:212 168:177 169:96 170:299 171:8 192:5529 193:2566 194:2012 195:1323 196:516 198:3635 199:2884 200:2978 201:7 202:4428 203:5434 204:3022 205:2006 206:2265 207:2587 208:2416 209:2857 210:1053 211:436 212:906 213:1002 214:23 215:25 216:3361 217:823 218:118 219:93 220:167 221:18 222:1 End of report