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 06 Sep, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114501 Prefixes after maximum aggregation: 74294 Unique aggregates announced to Internet: 54850 Total ASes present in the Internet Routing Table: 13650 Origin-only ASes present in the Internet Routing Table: 11815 Origin ASes announcing only one prefix: 5300 Transit ASes present in the Internet Routing Table: 1835 Transit-only ASes present in the Internet Routing Table: 56 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 18 Illegal AS announcements present in the Routing Table: 2 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: 1207827004 Equivalent to 71 /8s, 253 /16s and 250 /24s Percentage of available address space announced: 32.6 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 46777 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18510 Total APNIC prefixes after maximum aggregation: 11375 Prefixes being announced from the APNIC address blocks: 17011 Unique aggregates announced from the APNIC address blocks: 10830 APNIC Region origin ASes present in the Internet Routing Table: 1601 APNIC Region origin ASes announcing only one prefix: 521 APNIC Region transit ASes present in the Internet Routing Table: 273 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 96131296 Equivalent to 5 /8s, 186 /16s and 216 /24s Percentage of available APNIC address space announced: 63.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 71511 Total ARIN prefixes after maximum aggregation: 45997 Prefixes being announced from the ARIN address blocks: 50144 Unique aggregates announced from the ARIN address blocks: 15874 ARIN Region origin ASes present in the Internet Routing Table: 7692 ARIN Region origin ASes announcing only one prefix: 2537 ARIN Region transit ASes present in the Internet Routing Table: 731 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 180457168 Equivalent to 10 /8s, 193 /16s and 142 /24s Percentage of available ARIN address space announced: 67.2 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 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: 19595 Total RIPE prefixes after maximum aggregation: 14791 Prefixes being announced from the RIPE address blocks: 16186 Unique aggregates announced from the RIPE address blocks: 9942 RIPE Region origin ASes present in the Internet Routing Table: 3987 RIPE Region origin ASes announcing only one prefix: 2160 RIPE Region transit ASes present in the Internet Routing Table: 742 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 117451392 Equivalent to 7 /8s, 0 /16s and 42 /24s Percentage of available RIPE address space announced: 77.8 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 4884 Total LACNIC prefixes after maximum aggregation: 2131 Prefixes being announced from the LACNIC address blocks: 4200 Unique aggregates announced from the LACNIC address blocks: 2636 LACNIC Region origin ASes present in the Internet Routing Table: 315 LACNIC Region origin ASes announcing only one prefix: 82 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11193600 Equivalent to 0 /8s, 170 /16s and 205 /24s Percentage of available LACNIC address space announced: 66.7 LACNIC AS Blocks 26592 - 26623 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1206 1188 885 Telstra Pty Ltd 703 393 368 306 UUNET 2907 359 1800 338 SINET Japan 2764 354 357 325 connect.com.au pty ltd 7474 316 292 212 Optus Communications Pty Ltd 4134 290 2220 95 Data Communications Bureau 17557 281 21 111 Pakistan Telecom 4766 253 1827 160 Korea Internet Exchange for " 4755 241 142 73 Videsh Sanchar Nigam Ltd. Aut 4814 214 79 14 China Telecom (Group) 17676 212 3314 34 XTAGE CORPORATION 9443 183 57 69 Primus Telecommunications 9583 175 32 5 Satyam Infoway Ltd., 9768 145 385 74 Korea Telecom 4515 139 102 80 Star Internet Services Ltd. 7657 129 22 89 The Internet Group Limited 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 115 1001 106 NTT Communications Corporatio 9498 101 8 22 BHARTI BT INTERNET LTD. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1755 9109 1347 UUNET Technologies, Inc. 7018 1307 7204 930 AT&T 3908 1047 1665 502 Supernet, Inc. 1239 834 3225 647 Sprint 852 731 1175 452 Telus Advanced Communications 1 674 8057 438 GENUITY 7843 653 372 251 Adelphia Corp. 7046 603 865 310 UUNET Technologies, Inc. 7132 602 664 143 Southwestern Bell Internet Se 4323 555 435 171 Time Warner Communications, I 209 520 2066 349 Qwest 690 519 75 326 Merit Network 7066 498 204 258 Virginia Polytechnic Institut 2548 442 1113 271 Business Internet, Inc. 3549 418 726 300 Global Crossing 6197 381 613 39 BellSouth Network Solutions, 15290 363 230 179 AT&T Canada IES 4355 358 287 84 EarthLink, Inc. 2914 356 2024 356 Verio, Inc. 6347 345 371 77 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 886 2427 743 UUNET - Commercial IP service 3301 391 907 344 TeliaNet Sweden 5515 319 783 179 Sonera Solution Autonomous Sy 3215 291 641 179 France Telecom Transpac 3320 247 1964 213 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5400 213 85 101 BT Ignite European Backbone 1257 205 444 202 SWIPnet Swedish IP Network 719 191 306 130 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 147 41 142 Romania Data Systems S.A. 3303 143 546 142 Swisscom Ltd 2856 126 786 116 BTnet UK Regional network 12302 122 17 29 MobiFon S.A. 3246 121 373 114 Song Networks 5511 110 192 88 France Telecom 3233 107 10 9 RNC - Romanian Natioanal R&D 3269 106 658 63 TELECOM ITALIA 8220 103 167 97 COLT Internet - International 2874 102 85 39 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 194 306 110 UniNet S.A. de C.V. 11340 178 7 69 Red Universitaria Nacional 7303 171 27 49 Telecom Argentina Stet-France 6503 165 191 115 AVANTEL, S.A. 11172 164 72 33 Servicios Alestra S.A de C.V 10834 146 91 35 ADVANCE TELECOMUNICACIONES S. 16814 107 7 13 NSS, S.A. 13999 103 19 8 Mega Cable S.A. de C.V. 10620 85 5 25 TVCABLE BOGOTA 1916 74 425 41 Fundacao de Amparo a Pesquisa 4270 73 18 10 Red de Interconexion Universi 15034 72 6 29 TIBA SA 11992 71 23 29 Integrated Systems 2277 69 16 3 ECUANET - CORPORACION ECUATOR 7984 69 27 43 Global One Colombia 15311 69 25 32 Telefonica Empresas 6535 67 4 14 Chilesat Servicios Empresari 4926 65 4 53 Telintar S.A. 7993 59 9 30 Global One Chile 16528 59 5 32 ImpSat S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1047 545 Supernet, Inc. 7132 602 459 Southwestern Bell Internet Se 7843 653 402 Adelphia Corp. 4323 555 384 Time Warner Communications, I 7018 1307 377 AT&T 6197 381 342 BellSouth Network Solutions, 1221 1206 321 Telstra Pty Ltd 7046 603 293 UUNET Technologies, Inc. 4151 303 288 USDA 852 731 279 Telus Advanced Communications 4355 358 274 EarthLink, Inc. 6347 345 268 SAVVIS Communications Corpora 18566 266 262 Covad Communications 7066 498 240 Virginia Polytechnic Institut 1 674 236 GENUITY 376 341 230 Reseau Interordinateurs Scien 4814 214 200 China Telecom (Group) 1580 210 199 ANOSCEUR 4134 290 195 Data Communications Bureau 690 519 193 Merit Network List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65004 PRIVATE 192.231.93.0/24 5786 University of Puerto 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 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 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 192.91.198.0/24 2568 CTS Network Services 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 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 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 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:8 /10:7 /11:12 /12:37 /13:88 /14:235 /15:423 /16:7251 /17:1484 /18:2680 /19:7816 /20:7478 /21:5213 /22:8023 /23:9743 /24:63123 /25:202 /26:231 /27:135 /28:81 /29:45 /30:103 /31:1 /32:62 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 617 1047 Supernet, Inc. 702 540 886 UUNET - Commercial IP service 701 493 1755 UUNET Technologies, Inc. 690 465 519 Merit Network 7843 452 653 Adelphia Corp. 7018 388 1307 AT&T 7066 388 498 Virginia Polytechnic Institut 7046 288 603 UUNET Technologies, Inc. 6197 265 381 BellSouth Network Solutions, 18566 262 266 Covad Communications 6198 242 312 BellSouth Network Solutions, 1239 232 834 Sprint 3301 232 391 TeliaNet Sweden 3215 224 291 France Telecom Transpac 4355 206 358 EarthLink, Inc. 1580 198 210 ANOSCEUR 11492 194 198 Cable One 209 193 520 Qwest 5400 187 213 BT Ignite European Backbone 4323 185 555 Time Warner Communications, I Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:1 12:549 13:10 15:2 17:7 20:4 24:802 25:1 32:41 38:7 40:6 44:1 55:1 57:14 61:324 62:244 63:1831 64:1225 65:1476 66:1106 67:99 68:91 80:270 81:54 128:67 129:159 130:21 131:55 132:11 133:2 134:124 135:9 136:578 137:95 138:148 139:69 140:160 141:71 142:70 143:50 144:139 145:17 146:256 147:142 148:248 149:77 150:41 151:59 152:265 153:36 154:11 155:107 156:70 157:112 158:65 159:140 160:45 161:73 162:124 163:89 164:255 165:124 166:104 167:267 168:120 169:61 170:182 171:3 192:5476 193:2375 194:2068 195:821 196:418 198:3684 199:3107 200:2623 202:3289 203:4754 204:3275 205:2126 206:2498 207:2471 208:2567 209:2608 210:622 211:242 212:887 213:705 214:8 215:19 216:2872 217:480 218:40 219:1 End of report