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 25 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129505 Prefixes after maximum aggregation: 80892 Unique aggregates announced to Internet: 62548 Total ASes present in the Internet Routing Table: 16060 Origin-only ASes present in the Internet Routing Table: 13934 Origin ASes announcing only one prefix: 6354 Transit ASes present in the Internet Routing Table: 2126 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 23 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: 14 Number of addresses announced to Internet: 1248639428 Equivalent to 74 /8s, 108 /16s and 185 /24s Percentage of available address space announced: 33.7 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 57386 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22999 Total APNIC prefixes after maximum aggregation: 12898 Prefixes being announced from the APNIC address blocks: 21421 Unique aggregates announced from the APNIC address blocks: 12441 APNIC Region origin ASes present in the Internet Routing Table: 1925 APNIC Region origin ASes announcing only one prefix: 559 APNIC Region transit ASes present in the Internet Routing Table: 306 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 123960576 Equivalent to 7 /8s, 99 /16s and 125 /24s Percentage of available APNIC address space announced: 66.8 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: 77115 Total ARIN prefixes after maximum aggregation: 48372 Prefixes being announced from the ARIN address blocks: 59873 Unique aggregates announced from the ARIN address blocks: 20856 ARIN Region origin ASes present in the Internet Routing Table: 8697 ARIN Region origin ASes announcing only one prefix: 3007 ARIN Region transit ASes present in the Internet Routing Table: 838 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 207726752 Equivalent to 12 /8s, 97 /16s and 168 /24s Percentage of available ARIN address space announced: 72.8 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 22738 Total RIPE prefixes after maximum aggregation: 16655 Prefixes being announced from the RIPE address blocks: 19633 Unique aggregates announced from the RIPE address blocks: 13077 RIPE Region origin ASes present in the Internet Routing Table: 4915 RIPE Region origin ASes announcing only one prefix: 2654 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 138244672 Equivalent to 8 /8s, 61 /16s and 114 /24s Percentage of available RIPE address space announced: 74.9 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, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5559 Total LACNIC prefixes after maximum aggregation: 2270 Prefixes being announced from the LACNIC address blocks: 5056 Unique aggregates announced from the LACNIC address blocks: 3228 LACNIC Region origin ASes present in the Internet Routing Table: 356 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 12 Number of LACNIC addresses announced to Internet: 13413120 Equivalent to 0 /8s, 204 /16s and 171 /24s Percentage of available LACNIC address space announced: 40.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1091 Total AfriNIC prefixes after maximum aggregation: 697 Prefixes being announced from the AfriNIC address blocks: 698 Unique aggregates announced from the AfriNIC address blocks: 533 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 30 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1748736 Equivalent to 0 /8s, 26 /16s and 175 /24s Percentage of available AfriNIC address space announced: 10.4 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 966 1109 684 Telstra Pty Ltd 4755 391 134 70 Videsh Sanchar Nigam Ltd. Aut 4134 371 2299 109 Data Communications Bureau 2907 367 1879 344 SINET Japan 703 332 356 267 UUNET 2764 293 288 254 connect.com.au pty ltd 17557 287 20 143 Pakistan Telecom 17676 273 4028 34 XTAGE CORPORATION 7474 261 305 208 Optus Communications Pty Ltd 4766 242 2462 177 Korea Internet Exchange for " 9583 241 44 11 Satyam Infoway Ltd., 3786 233 773 203 DACOM Corporation 4538 215 1714 21 China Education and Research 9800 203 334 55 CHINA UNICOM 9942 200 69 116 COMindico Australia 9498 189 20 20 BHARTI BT INTERNET LTD. 9929 189 160 36 China Netcom Corp. 9443 188 72 83 Primus Telecommunications 17642 157 40 116 RequestDSL BGP AS# for Sydney 4739 144 58 133 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1443 8667 998 UUNET Technologies, Inc. 7018 1357 7097 941 AT&T 1239 927 3062 667 Sprint 3908 889 1532 485 Supernet, Inc. 18566 707 176 8 Covad Communications 4323 681 576 197 Time Warner Communications, I 6197 644 455 240 BellSouth Network Solutions, 209 609 2205 365 Qwest 3356 605 10817 503 Level 3 Communications, LLC 6198 572 321 196 BellSouth Network Solutions, 20115 541 275 309 Charter Communications 7843 532 477 140 Adelphia Corp. 852 518 1123 411 Telus Advanced Communications 7066 511 207 271 Virginia Polytechnic Institut 690 410 59 275 Merit Network 705 400 184 243 UUNET Technologies, Inc. 4355 398 332 108 EarthLink, Inc. 2386 385 526 201 AT&T Data Communications Serv 376 362 359 115 Reseau Interordinateurs Scien 6347 344 381 80 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 702 2094 581 UUNET - Commercial IP service 3301 301 1169 286 TeliaNet Sweden 3320 274 2004 235 Deutsche Telekom AG 8220 259 421 248 COLT Internet - International 1257 239 454 191 SWIPnet Swedish IP Network 680 232 2054 229 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 719 193 307 123 LANLINK autonomous system 5400 187 172 135 BT Ignite European Backbone 5515 186 779 147 Sonera Solution Autonomous Sy 3215 179 688 90 France Telecom Transpac 786 176 1857 176 The JANET IP Service 8708 161 111 155 Romania Data Systems S.A. 3303 146 557 141 Swisscom Ltd 25186 134 162 95 France Telecom Transpac's Tra 12302 126 18 33 MobiFon S.A. 3246 125 374 123 Song Networks 3269 119 913 66 TELECOM ITALIA 2856 117 1294 108 BTnet UK Regional network 2647 101 4225 49 SITA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 337 104 99 ImpSat 8151 238 351 127 UniNet S.A. de C.V. 7303 213 41 55 Telecom Argentina Stet-France 11172 192 77 42 Servicios Alestra S.A de C.V 16814 156 10 5 NSS, S.A. 6505 134 91 94 Global One Communicaoes Ltda 6503 129 205 93 AVANTEL, S.A. 10620 123 8 26 TVCABLE BOGOTA 6147 107 70 19 Telefonica Del Peru 11340 103 3 29 Red Universitaria Nacional 11992 86 24 32 Integrated Systems 8065 84 10 18 Empresas Publicas de Medellin 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 11830 75 22 24 Instituto Costarricense de El 4270 67 18 9 Red de Interconexion Universi 11311 67 7 23 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 1916 60 266 40 Fundacao de Amparo a Pesquisa 4926 57 4 48 Telintar S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 633 220 The Internet Solution 2018 94 297 92 Tertiary Education Network 5536 87 7 23 Internet Egypt Network 2905 59 245 52 The Internetworking Company o 2561 55 6 3 Egyptian Universities Network 11845 35 9 10 Data Pro Business Online 11569 31 29 28 satellite data networks 16284 30 3 5 GST-N Autonomous System 12455 26 4 2 Jambonet Autonomous system 5713 24 93 22 Telkom SA Ltd 16637 24 9 17 Johnnic e-Ventures 6713 22 38 9 Itissalat Al-MAGHRIB 9129 19 2 1 UUNET Kenya 10798 17 1 11 Standard Bank of South Africa 15706 15 2 5 Sudatel Internet Exchange Aut 8524 14 1 3 AUCEGYPT Autonomous System 12258 14 3 9 Vodacom Internet Company 17148 14 1 8 First National Bank 3208 13 2 1 ARN Network 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 707 699 Covad Communications 4323 681 484 Time Warner Communications, I 7018 1357 416 AT&T 3908 889 404 Supernet, Inc. 6197 644 404 BellSouth Network Solutions, 7843 532 392 Adelphia Corp. 6198 572 376 BellSouth Network Solutions, 4755 391 321 Videsh Sanchar Nigam Ltd. Aut 27364 316 293 Armstrong Cable Services 5668 308 292 Century Telephone 22909 304 291 Comcast Cable Corporation 4355 398 290 EarthLink, Inc. 1221 966 282 Telstra Pty Ltd 22773 296 279 Cox Communications, Inc. Atla 6347 344 264 SAVVIS Communications Corpora 4134 371 262 Data Communications Bureau 1239 927 260 Sprint 376 362 247 Reseau Interordinateurs Scien 209 609 244 Qwest 25844 243 241 Skadden, Arps, Slate, Meagher List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65503 PRIVATE 202.133.192.0/20 4775 Telecom Carrier / 65100 PRIVATE 210.104.28.0/25 9768 Korea 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 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 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.153.136.0/21 568 DISO-UNRRA 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 /11:12 /12:55 /13:98 /14:268 /15:471 /16:7447 /17:1788 /18:3218 /19:8544 /20:9010 /21:6627 /22:9676 /23:10876 /24:70703 /25:160 /26:206 /27:159 /28:44 /29:23 /30:50 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 701 707 Covad Communications 3908 563 889 Supernet, Inc. 6197 503 644 BellSouth Network Solutions, 7018 483 1357 AT&T 701 444 1443 UUNET Technologies, Inc. 6198 443 572 BellSouth Network Solutions, 702 423 702 UUNET - Commercial IP service 7066 403 511 Virginia Polytechnic Institut 690 371 410 Merit Network 20115 350 541 Charter Communications 1239 325 927 Sprint 27364 310 316 Armstrong Cable Services 3356 292 605 Level 3 Communications, LLC 5668 274 308 Century Telephone 209 250 609 Qwest 25844 243 243 Skadden, Arps, Slate, Meagher 4355 221 398 EarthLink, Inc. 10753 217 265 XCOM Technologies, INC. 3320 216 274 Deutsche Telekom AG 7843 210 532 Adelphia Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:722 13:1 15:6 16:1 17:2 20:7 24:820 25:1 32:83 34:1 38:51 40:23 43:1 44:2 55:1 57:14 61:333 62:450 63:1869 64:1822 65:1965 66:2169 67:273 68:396 69:286 80:421 81:163 82:72 128:156 129:157 130:63 131:83 132:18 134:168 135:10 136:182 137:120 138:133 139:48 140:173 141:138 142:101 143:49 144:60 145:35 146:278 147:67 148:304 149:79 150:121 151:64 152:211 153:59 154:8 155:130 156:58 157:53 158:139 159:141 160:46 161:68 162:361 163:66 164:317 165:150 166:100 167:309 168:178 169:96 170:314 171:9 192:5437 193:2418 194:2018 195:1290 196:483 198:3577 199:2820 200:3073 201:3 202:4055 203:5324 204:2999 205:2043 206:2284 207:2608 208:2514 209:2789 210:938 211:394 212:922 213:952 214:17 215:21 216:3285 217:776 218:116 219:42 220:114 221:13 222:1 End of report