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 28 Mar, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122998 Prefixes after maximum aggregation: 78122 Unique aggregates announced to Internet: 59135 Total ASes present in the Internet Routing Table: 14894 Origin-only ASes present in the Internet Routing Table: 12911 Origin ASes announcing only one prefix: 5837 Transit ASes present in the Internet Routing Table: 1983 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1220551781 Equivalent to 72 /8s, 192 /16s and 36 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 55.0 Total number of prefixes smaller than registry allocations: 57742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20725 Total APNIC prefixes after maximum aggregation: 12301 Prefixes being announced from the APNIC address blocks: 19182 Unique aggregates announced from the APNIC address blocks: 11850 APNIC Region origin ASes present in the Internet Routing Table: 1758 APNIC Region origin ASes announcing only one prefix: 516 APNIC Region transit ASes present in the Internet Routing Table: 288 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 108415488 Equivalent to 6 /8s, 118 /16s and 74 /24s Percentage of available APNIC address space announced: 64.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75705 Total ARIN prefixes after maximum aggregation: 47969 Prefixes being announced from the ARIN address blocks: 53900 Unique aggregates announced from the ARIN address blocks: 16821 ARIN Region origin ASes present in the Internet Routing Table: 8263 ARIN Region origin ASes announcing only one prefix: 2788 ARIN Region transit ASes present in the Internet Routing Table: 793 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 188991296 Equivalent to 11 /8s, 67 /16s and 199 /24s Percentage of available ARIN address space announced: 70.4 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, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21357 Total RIPE prefixes after maximum aggregation: 15641 Prefixes being announced from the RIPE address blocks: 17880 Unique aggregates announced from the RIPE address blocks: 11859 RIPE Region origin ASes present in the Internet Routing Table: 4470 RIPE Region origin ASes announcing only one prefix: 2446 RIPE Region transit ASes present in the Internet Routing Table: 808 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 128518400 Equivalent to 7 /8s, 169 /16s and 9 /24s Percentage of available RIPE address space announced: 76.6 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, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5209 Total LACNIC prefixes after maximum aggregation: 2211 Prefixes being announced from the LACNIC address blocks: 4635 Unique aggregates announced from the LACNIC address blocks: 2949 LACNIC Region origin ASes present in the Internet Routing Table: 331 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 12399872 Equivalent to 0 /8s, 189 /16s and 53 /24s Percentage of available LACNIC address space announced: 73.9 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 1104 1106 808 Telstra Pty Ltd 703 406 370 314 UUNET 2907 385 1975 364 SINET Japan 17557 375 28 141 Pakistan Telecom 2764 324 340 291 connect.com.au pty ltd 4134 314 2698 104 Data Communications Bureau 7474 307 276 208 Optus Communications Pty Ltd 4814 267 79 15 China Telecom (Group) 3786 251 772 212 DACOM Corporation 17676 237 3654 25 XTAGE CORPORATION 4755 229 133 74 Videsh Sanchar Nigam Ltd. Aut 9583 219 33 14 Satyam Infoway Ltd., 4766 211 2074 158 Korea Internet Exchange for " 9443 179 58 78 Primus Telecommunications 9800 174 221 46 CHINA UNICOM 9238 135 8 17 TATA ISP 4716 128 717 122 TTnet 9498 128 9 19 BHARTI BT INTERNET LTD. 4739 127 57 116 Commerical Internet eXchange 7539 127 166 121 TANet2, sponsored by NSC, TAI ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1576 8935 1116 UUNET Technologies, Inc. 7018 1350 7141 942 AT&T 3908 1073 1588 481 Supernet, Inc. 1239 978 3123 695 Sprint 1 690 8073 427 GENUITY 7132 674 5939 475 Southwestern Bell Internet Se 7843 602 400 169 Adelphia Corp. 3561 593 2352 345 Cable & Wireless USA 4151 585 691 60 USDA 4323 562 490 174 Time Warner Communications, I 852 553 1107 436 Telus Advanced Communications 18566 543 122 13 Covad Communications 705 535 208 269 UUNET Technologies, Inc. 209 532 2105 339 Qwest 690 503 73 316 Merit Network 7066 500 204 255 Virginia Polytechnic Institut 2386 499 481 247 AT&T Data Communications Serv 6197 476 338 196 BellSouth Network Solutions, 6198 448 222 175 BellSouth Network Solutions, 20115 419 173 275 Charter Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 783 2236 649 UUNET - Commercial IP service 3301 311 1174 301 TeliaNet Sweden 3215 308 835 173 France Telecom Transpac 3320 267 1996 230 Deutsche Telekom AG 680 232 2053 229 DFN-IP service G-WiN 5400 223 77 106 BT Ignite European Backbone 1257 217 328 191 SWIPnet Swedish IP Network 719 202 307 125 LANLINK autonomous system 5515 187 779 161 Sonera Solution Autonomous Sy 786 180 1874 180 The JANET IP Service 20858 153 17 3 This AS will be used to conne 8708 150 42 146 Romania Data Systems S.A. 3303 145 517 144 Swisscom Ltd 8220 136 215 128 COLT Internet - International 12302 123 18 30 MobiFon S.A. 2856 119 1298 109 BTnet UK Regional network 3269 112 753 62 TELECOM ITALIA 3246 110 384 107 Song Networks 3233 107 11 12 RNC - Romanian Natioanal R&D 3352 106 734 32 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 290 98 107 ImpSat 7303 241 36 59 Telecom Argentina Stet-France 8151 216 349 116 UniNet S.A. de C.V. 11172 165 66 33 Servicios Alestra S.A de C.V 6503 155 191 109 AVANTEL, S.A. 16814 139 9 18 NSS, S.A. 11340 109 3 37 Red Universitaria Nacional 10620 107 7 31 TVCABLE BOGOTA 6147 76 62 20 Telefonica Del Peru 1916 75 306 45 Fundacao de Amparo a Pesquisa 11992 74 8 36 Integrated Systems 6535 73 5 21 Chilesat Servicios Empresari 8065 73 6 18 Empresas Publicas de Medellin 15311 71 27 36 Telefonica Empresas 4270 69 18 10 Red de Interconexion Universi 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 11830 64 4 25 Instituto Costarricense de El 7984 61 11 40 Global One Colombia 15034 59 5 31 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1073 592 Supernet, Inc. 18566 543 530 Covad Communications 4151 585 525 USDA 7843 602 433 Adelphia Corp. 7018 1350 408 AT&T 4323 562 388 Time Warner Communications, I 1221 1104 296 Telstra Pty Ltd 6347 375 293 SAVVIS Communications Corpora 1239 978 283 Sprint 6197 476 280 BellSouth Network Solutions, 4355 387 278 EarthLink, Inc. 6198 448 273 BellSouth Network Solutions, 22927 286 272 TELEFONICA DE ARGENTINA 705 535 266 UUNET Technologies, Inc. 1 690 263 GENUITY 2386 499 252 AT&T Data Communications Serv 4814 267 252 China Telecom (Group) 3561 593 248 Cable & Wireless USA 27364 265 247 Armstrong Cable Services 7066 500 245 Virginia Polytechnic Institut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 135.0.0.0/13 10455 Lucent Technologies 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 192.136.135.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.158.249.0/24 27319 INTERNET SOFTWARE CONSORTIUM, 192.172.0.0/19 568 DISO-UNRRA 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 /8:18 /9:3 /10:8 /11:13 /12:47 /13:91 /14:243 /15:455 /16:7365 /17:1636 /18:2939 /19:8272 /20:8227 /21:5866 /22:8858 /23:10655 /24:67415 /25:194 /26:198 /27:129 /28:125 /29:79 /30:90 /31:4 /32:68 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 671 1073 Supernet, Inc. 18566 538 543 Covad Communications 702 486 783 UUNET - Commercial IP service 7018 465 1350 AT&T 701 459 1576 UUNET Technologies, Inc. 690 452 503 Merit Network 7066 399 500 Virginia Polytechnic Institut 1239 374 978 Sprint 6197 355 476 BellSouth Network Solutions, 6198 355 448 BellSouth Network Solutions, 7843 355 602 Adelphia Corp. 2386 299 499 AT&T Data Communications Serv 20115 292 419 Charter Communications 22927 285 286 TELEFONICA DE ARGENTINA 705 281 535 UUNET Technologies, Inc. 6140 277 290 ImpSat 27364 258 265 Armstrong Cable Services 7303 240 241 Telecom Argentina Stet-France 3215 232 308 France Telecom Transpac 209 225 532 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:664 13:1 15:4 17:2 20:10 24:770 25:1 32:93 38:63 40:18 44:2 55:1 57:16 61:462 62:515 63:1947 64:1475 65:1902 66:1606 67:202 68:301 69:70 80:335 81:109 128:149 129:210 130:45 131:83 132:11 133:11 134:146 135:4 136:113 137:111 138:106 139:67 140:149 141:85 142:97 143:47 144:95 145:16 146:266 147:90 148:274 149:74 150:42 151:66 152:248 153:52 154:2 155:112 156:45 157:44 158:123 159:140 160:33 161:61 162:127 163:81 164:307 165:145 166:74 167:322 168:397 169:56 170:316 171:6 192:5303 193:2392 194:1989 195:977 196:478 198:3570 199:3276 200:2883 202:3649 203:5050 204:3053 205:2025 206:2393 207:2407 208:2681 209:2816 210:733 211:332 212:988 213:773 214:20 215:22 216:3234 217:605 218:82 219:11 220:54 End of report