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 20:00 +10GMT Fri 20 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125820 Prefixes after maximum aggregation: 79010 Unique aggregates announced to Internet: 59502 Total ASes present in the Internet Routing Table: 15384 Origin-only ASes present in the Internet Routing Table: 13338 Origin ASes announcing only one prefix: 6045 Transit ASes present in the Internet Routing Table: 2046 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1252521120 Equivalent to 74 /8s, 167 /16s and 244 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 60.4 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55442 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21467 Total APNIC prefixes after maximum aggregation: 12556 Prefixes being announced from the APNIC address blocks: 19908 Unique aggregates announced from the APNIC address blocks: 12225 APNIC Region origin ASes present in the Internet Routing Table: 1823 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 115912352 Equivalent to 6 /8s, 232 /16s and 174 /24s Percentage of available APNIC address space announced: 62.5 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: 77230 Total ARIN prefixes after maximum aggregation: 48181 Prefixes being announced from the ARIN address blocks: 55477 Unique aggregates announced from the ARIN address blocks: 16498 ARIN Region origin ASes present in the Internet Routing Table: 8492 ARIN Region origin ASes announcing only one prefix: 2901 ARIN Region transit ASes present in the Internet Routing Table: 818 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 193233408 Equivalent to 11 /8s, 132 /16s and 130 /24s Percentage of available ARIN address space announced: 72.0 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: 21714 Total RIPE prefixes after maximum aggregation: 16015 Prefixes being announced from the RIPE address blocks: 18214 Unique aggregates announced from the RIPE address blocks: 12225 RIPE Region origin ASes present in the Internet Routing Table: 4659 RIPE Region origin ASes announcing only one prefix: 2531 RIPE Region transit ASes present in the Internet Routing Table: 831 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 132361024 Equivalent to 7 /8s, 227 /16s and 171 /24s Percentage of available RIPE address space announced: 71.7 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: 5408 Total LACNIC prefixes after maximum aggregation: 2258 Prefixes being announced from the LACNIC address blocks: 4804 Unique aggregates announced from the LACNIC address blocks: 3014 LACNIC Region origin ASes present in the Internet Routing Table: 336 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12777216 Equivalent to 0 /8s, 194 /16s and 247 /24s Percentage of available LACNIC address space announced: 38.1 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1058 1070 752 Telstra Pty Ltd 4755 400 133 67 Videsh Sanchar Nigam Ltd. Aut 2907 374 1895 350 SINET Japan 17557 346 24 151 Pakistan Telecom 703 335 371 268 UUNET 2764 307 325 274 connect.com.au pty ltd 7474 271 306 204 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 244 773 211 DACOM Corporation 9583 230 37 21 Satyam Infoway Ltd., 4134 222 1915 112 Data Communications Bureau 4766 212 2475 159 Korea Internet Exchange for " 9800 186 302 61 CHINA UNICOM 9443 182 58 82 Primus Telecommunications 9498 166 11 28 BHARTI BT INTERNET LTD. 4739 139 58 127 Commerical Internet eXchange 9929 139 169 34 China Netcom Corp. 4716 128 745 122 TTnet 9238 127 8 21 TATA ISP 7539 126 154 100 TANet2, sponsored by NSC, TAI ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1543 8833 1088 UUNET Technologies, Inc. 7018 1337 7180 922 AT&T 1239 952 3020 670 Sprint 7132 923 6573 229 Southwestern Bell Internet Se 3908 906 1548 477 Supernet, Inc. 189 683 340 296 Genuity 11305 647 170 72 Interland Incorporated 7843 614 360 173 Adelphia Corp. 1 610 2602 412 GENUITY 4323 601 525 175 Time Warner Communications, I 18566 601 160 8 Covad Communications 852 527 1124 416 Telus Advanced Communications 6197 518 350 212 BellSouth Network Solutions, 705 510 273 333 UUNET Technologies, Inc. 209 501 2108 303 Qwest 7066 488 204 261 Virginia Polytechnic Institut 6198 473 231 182 BellSouth Network Solutions, 20115 463 194 284 Charter Communications 690 450 65 293 Merit Network 2386 407 542 235 AT&T Data Communications Serv RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 746 2172 633 UUNET - Commercial IP service 3301 303 1171 290 TeliaNet Sweden 3320 266 2004 228 Deutsche Telekom AG 719 264 307 125 LANLINK autonomous system 3215 261 834 150 France Telecom Transpac 680 232 2053 229 DFN-IP service G-WiN 8220 225 384 213 COLT Internet - International 1257 223 311 185 SWIPnet Swedish IP Network 5400 204 143 123 BT Ignite European Backbone 786 179 1874 179 The JANET IP Service 5515 179 795 150 Sonera Solution Autonomous Sy 8708 153 44 150 Romania Data Systems S.A. 3303 140 549 137 Swisscom Ltd 12302 127 18 34 MobiFon S.A. 2856 124 1315 114 BTnet UK Regional network 3246 120 384 116 Song Networks 3269 118 823 65 TELECOM ITALIA 3352 109 780 32 Ibernet, Internet Access Netw 5511 101 178 81 France Telecom 2647 97 4129 39 SITA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 98 107 ImpSat 7303 237 37 58 Telecom Argentina Stet-France 8151 215 350 117 UniNet S.A. de C.V. 11172 170 66 40 Servicios Alestra S.A de C.V 16814 135 9 17 NSS, S.A. 6503 130 189 93 AVANTEL, S.A. 10620 115 7 32 TVCABLE BOGOTA 11340 105 3 33 Red Universitaria Nacional 6147 99 70 21 Telefonica Del Peru 11992 89 8 38 Integrated Systems 13999 86 36 8 Mega Cable S.A. de C.V. 8065 80 9 16 Empresas Publicas de Medellin 6535 75 5 18 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 72 12 36 Telefonica Empresas 11311 69 7 13 Sinectis S.A. 4270 68 18 9 Red de Interconexion Universi 11830 67 5 27 Instituto Costarricense de El 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 923 694 Southwestern Bell Internet Se 18566 601 593 Covad Communications 11305 647 575 Interland Incorporated 7843 614 441 Adelphia Corp. 3908 906 429 Supernet, Inc. 4323 601 426 Time Warner Communications, I 7018 1337 415 AT&T 189 683 387 Genuity 4755 400 333 Videsh Sanchar Nigam Ltd. Aut 1221 1058 306 Telstra Pty Ltd 6197 518 306 BellSouth Network Solutions, 27364 319 301 Armstrong Cable Services 4355 397 294 EarthLink, Inc. 6198 473 291 BellSouth Network Solutions, 6347 368 288 SAVVIS Communications Corpora 1239 952 282 Sprint 376 383 267 Reseau Interordinateurs Scien 22909 277 265 Comcast Cable Corporation 17676 250 231 XTAGE CORPORATION 7066 488 227 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 Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 172.208.0.0/14 1668 GNN Hosting Service 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 192.158.254.0/24 705 UUNET Technologies, Inc. 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 /8:20 /9:5 /10:8 /11:13 /12:53 /13:99 /14:257 /15:470 /16:7428 /17:1699 /18:3003 /19:8483 /20:8532 /21:6169 /22:9086 /23:10664 /24:69249 /25:157 /26:252 /27:57 /28:42 /29:26 /30:21 /31:0 /32:27 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 606 683 Genuity 18566 595 601 Covad Communications 11305 573 647 Interland Incorporated 3908 570 906 Supernet, Inc. 7018 469 1337 AT&T 702 456 746 UUNET - Commercial IP service 701 432 1543 UUNET Technologies, Inc. 690 408 450 Merit Network 6197 390 518 BellSouth Network Solutions, 7066 384 488 Virginia Polytechnic Institut 7843 373 614 Adelphia Corp. 6198 370 473 BellSouth Network Solutions, 1239 358 952 Sprint 20115 323 463 Charter Communications 27364 313 319 Armstrong Cable Services 19262 227 268 Verizon Global Networks 1 223 610 GENUITY 4355 217 397 EarthLink, Inc. 3320 207 266 Deutsche Telekom AG 705 203 510 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:707 13:1 15:4 16:1 17:3 20:7 24:856 25:1 32:95 38:40 40:21 44:2 57:17 61:254 62:362 63:1869 64:1941 65:1971 66:2585 67:177 68:371 69:178 80:366 81:123 128:135 129:172 130:47 131:79 132:26 134:174 135:4 136:116 137:107 138:108 139:64 140:168 141:122 142:94 143:42 144:105 145:14 146:272 147:97 148:291 149:60 150:69 151:69 152:231 153:61 154:7 155:116 156:53 157:45 158:123 159:139 160:43 161:75 162:130 163:77 164:312 165:142 166:95 167:320 168:171 169:73 170:315 171:8 192:5321 193:2450 194:1953 195:1061 196:479 198:3586 199:2718 200:2964 202:3805 203:5211 204:3003 205:2048 206:2338 207:2434 208:2600 209:2893 210:835 211:353 212:971 213:822 214:19 215:23 216:3566 217:639 218:89 219:45 220:95 221:3 End of report