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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 20:00 +10GMT Fri 27 Dec, 2002 Analysis Summary ---------------- BGP routing table entries examined: 118465 Prefixes after maximum aggregation: 75915 Unique aggregates announced to Internet: 56952 Total ASes present in the Internet Routing Table: 14289 Origin-only ASes present in the Internet Routing Table: 12406 Origin ASes announcing only one prefix: 5605 Transit ASes present in the Internet Routing Table: 1883 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 34 Number of addresses announced to Internet: 1187306841 Equivalent to 70 /8s, 196 /16s and 221 /24s Percentage of available address space announced: 32.0 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 54707 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19546 Total APNIC prefixes after maximum aggregation: 11595 Prefixes being announced from the APNIC address blocks: 18092 Unique aggregates announced from the APNIC address blocks: 11181 APNIC Region origin ASes present in the Internet Routing Table: 1671 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 289 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 102423456 Equivalent to 6 /8s, 26 /16s and 219 /24s Percentage of available APNIC address space announced: 67.4 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 73510 Total ARIN prefixes after maximum aggregation: 46945 Prefixes being announced from the ARIN address blocks: 51315 Unique aggregates announced from the ARIN address blocks: 15977 ARIN Region origin ASes present in the Internet Routing Table: 8012 ARIN Region origin ASes announcing only one prefix: 2710 ARIN Region transit ASes present in the Internet Routing Table: 750 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 184600816 Equivalent to 11 /8s, 0 /16s and 200 /24s Percentage of available ARIN address space announced: 68.8 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 20335 Total RIPE prefixes after maximum aggregation: 15195 Prefixes being announced from the RIPE address blocks: 16946 Unique aggregates announced from the RIPE address blocks: 11293 RIPE Region origin ASes present in the Internet Routing Table: 4225 RIPE Region origin ASes announcing only one prefix: 2292 RIPE Region transit ASes present in the Internet Routing Table: 766 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 14 Number of RIPE addresses announced to Internet: 121739904 Equivalent to 7 /8s, 65 /16s and 154 /24s Percentage of available RIPE address space announced: 80.6 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 RIPE Address Blocks 62/8, 80/7, 82/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5068 Total LACNIC prefixes after maximum aggregation: 2180 Prefixes being announced from the LACNIC address blocks: 4419 Unique aggregates announced from the LACNIC address blocks: 2855 LACNIC Region origin ASes present in the Internet Routing Table: 322 LACNIC Region origin ASes announcing only one prefix: 80 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 11 Number of LACNIC addresses announced to Internet: 11707392 Equivalent to 0 /8s, 178 /16s and 164 /24s Percentage of available LACNIC address space announced: 69.8 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1138 1167 823 Telstra Pty Ltd 703 398 364 314 UUNET 2907 360 1785 336 SINET Japan 2764 341 341 310 connect.com.au pty ltd 17557 323 23 129 Pakistan Telecom 7474 311 281 205 Optus Communications Pty Ltd 4134 289 2408 91 Data Communications Bureau 4755 274 134 75 Videsh Sanchar Nigam Ltd. Aut 4814 249 79 15 China Telecom (Group) 17676 231 3618 24 XTAGE CORPORATION 4766 197 1800 152 Korea Internet Exchange for " 9583 192 33 12 Satyam Infoway Ltd., 9443 186 57 76 Primus Telecommunications 9800 165 203 42 CHINA UNICOM 3786 159 758 135 DACOM Corporation 4716 130 724 124 TTnet 9768 128 384 63 Korea Telecom 7657 124 26 87 The Internet Group Limited 4621 122 11 65 UNINET-TH 4739 120 56 110 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1644 9040 1213 UUNET Technologies, Inc. 7018 1424 7680 955 AT&T 3908 1187 1635 498 Supernet, Inc. 1239 949 3151 681 Sprint 1 665 8107 438 GENUITY 7843 630 406 266 Adelphia Corp. 852 618 1140 444 Telus Advanced Communications 7046 581 861 279 UUNET Technologies, Inc. 4323 532 487 168 Time Warner Communications, I 209 522 2048 336 Qwest 690 513 75 319 Merit Network 7066 489 204 257 Virginia Polytechnic Institut 6197 454 561 104 BellSouth Network Solutions, 705 423 133 188 UUNET Technologies, Inc. 6198 420 182 196 BellSouth Network Solutions, 3561 416 2228 347 Cable & Wireless USA 18566 414 96 5 Covad Communications 4355 407 313 118 EarthLink, Inc. 3549 403 709 295 Global Crossing 15290 393 215 176 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 808 2291 672 UUNET - Commercial IP service 3301 344 1142 300 TeliaNet Sweden 3215 313 819 174 France Telecom Transpac 3320 251 1962 224 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 5515 213 783 174 Sonera Solution Autonomous Sy 1257 212 416 201 SWIPnet Swedish IP Network 719 199 306 129 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 5400 162 70 98 BT Ignite European Backbone 8708 156 42 147 Romania Data Systems S.A. 20858 148 17 4 This AS will be used to conne 3303 145 517 144 Swisscom Ltd 2856 130 1300 118 BTnet UK Regional network 8220 123 174 114 COLT Internet - International 12302 123 18 30 MobiFon S.A. 3246 118 378 115 Song Networks 3269 111 754 63 TELECOM ITALIA 5511 108 193 83 France Telecom 3233 104 10 8 RNC - Romanian Natioanal R&D LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 315 98 104 ImpSat USA, Inc. 7303 222 36 49 Telecom Argentina Stet-France 8151 208 331 113 UniNet S.A. de C.V. 11172 171 87 34 Servicios Alestra S.A de C.V 6503 156 191 109 AVANTEL, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 16814 108 7 13 NSS, S.A. 10620 98 6 32 TVCABLE BOGOTA 11340 83 2 34 Red Universitaria Nacional 6147 76 58 24 Telefonica Del Peru 1916 74 306 44 Fundacao de Amparo a Pesquisa 15311 73 27 37 Telefonica Empresas 6535 72 5 16 Chilesat Servicios Empresari 4270 68 18 10 Red de Interconexion Universi 11992 68 7 31 Integrated Systems 8065 67 6 14 Empresas Publicas de Medellin 7984 63 11 40 Global One Colombia 4926 59 4 49 Telintar S.A. 7927 57 5 40 Global One Venezuela 15034 57 5 33 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1187 689 Supernet, Inc. 7018 1424 469 AT&T 18566 414 409 Covad Communications 7843 630 364 Adelphia Corp. 4323 532 364 Time Warner Communications, I 6197 454 350 BellSouth Network Solutions, 1221 1138 315 Telstra Pty Ltd 1580 317 303 ANOSCEUR 7046 581 302 UUNET Technologies, Inc. 4355 407 289 EarthLink, Inc. 6347 361 282 SAVVIS Communications Corpora 1239 949 268 Sprint 4151 325 267 USDA 22927 289 267 TELEFONICA DE ARGENTINA 11492 279 256 Cable One 376 344 241 Reseau Interordinateurs Scien 705 423 235 UUNET Technologies, Inc. 4814 249 234 China Telecom (Group) 7066 489 232 Virginia Polytechnic Institut 1 665 227 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64516 PRIVATE 137.164.227.0/24 2150 California State Uni 64516 PRIVATE 137.164.228.0/22 2150 California State Uni 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 65000 PRIVATE 203.21.203.0/24 1221 Telstra Pty Ltd 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 158.255.3.0/24 702 UUNET - Commercial IP service 164.236.0.0/16 568 DISO-UNRRA 178.54.59.0/24 7018 AT&T 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.68.128.0/22 1239 Sprint 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 2044 AUSNet, Inc. Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:3 /10:8 /11:12 /12:46 /13:92 /14:238 /15:438 /16:7315 /17:1543 /18:2805 /19:7985 /20:7711 /21:5563 /22:8408 /23:10128 /24:65474 /25:137 /26:174 /27:91 /28:73 /29:58 /30:107 /31:0 /32:39 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 755 1187 Supernet, Inc. 702 496 808 UUNET - Commercial IP service 7018 485 1424 AT&T 690 462 513 Merit Network 701 446 1644 UUNET Technologies, Inc. 7843 409 630 Adelphia Corp. 18566 409 414 Covad Communications 7066 386 489 Virginia Polytechnic Institut 6198 336 420 BellSouth Network Solutions, 1239 333 949 Sprint 6197 331 454 BellSouth Network Solutions, 6140 303 315 ImpSat USA, Inc. 1580 302 317 ANOSCEUR 22927 288 289 TELEFONICA DE ARGENTINA 11492 279 279 Cable One 7046 273 581 UUNET Technologies, Inc. 3215 239 313 France Telecom Transpac 4355 225 407 EarthLink, Inc. 7303 221 222 Telecom Argentina Stet-France 209 213 522 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:616 13:1 15:6 17:3 20:7 24:802 25:1 32:45 38:32 40:17 44:1 55:1 57:16 61:404 62:428 63:1869 64:1321 65:1697 66:1276 67:192 68:212 69:45 80:316 81:87 128:124 129:182 130:20 131:71 132:9 133:2 134:147 135:6 136:488 137:109 138:213 139:84 140:153 141:99 142:93 143:44 144:148 145:18 146:247 147:249 148:278 149:78 150:43 151:89 152:291 153:36 154:7 155:103 156:44 157:58 158:120 159:138 160:21 161:63 162:143 163:91 164:256 165:133 166:83 167:301 168:383 169:58 170:289 171:8 178:1 192:5423 193:2375 194:2016 195:893 196:455 198:3568 199:3058 200:2741 202:3608 203:4860 204:3002 205:2118 206:2328 207:2415 208:2587 209:2681 210:647 211:301 212:880 213:730 214:12 215:21 216:3104 217:537 218:69 219:14 220:15 End of report