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 05 Jul, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113313 Prefixes after maximum aggregation: 73541 Unique aggregates announced to Internet: 53461 Total ASes present in the Internet Routing Table: 13292 Origin-only ASes present in the Internet Routing Table: 11513 Origin ASes announcing only one prefix: 5092 Transit ASes present in the Internet Routing Table: 1779 Transit-only ASes present in the Internet Routing Table: 48 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 16 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: 36 Number of addresses announced to Internet: 1201977052 Equivalent to 71 /8s, 164 /16s and 182 /24s Percentage of available address space announced: 32.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 54.1 Total number of prefixes smaller than registry allocations: 45809 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18535 Total APNIC prefixes after maximum aggregation: 11071 Prefixes being announced from the APNIC address blocks: 17032 Unique aggregates announced from the APNIC address blocks: 10457 APNIC Region origin ASes present in the Internet Routing Table: 1553 APNIC Region origin ASes announcing only one prefix: 510 APNIC Region transit ASes present in the Internet Routing Table: 276 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 88121440 Equivalent to 5 /8s, 64 /16s and 160 /24s Percentage of available APNIC address space announced: 58.0 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: 75527 Total ARIN prefixes after maximum aggregation: 47967 Prefixes being announced from the ARIN address blocks: 53813 Unique aggregates announced from the ARIN address blocks: 17014 ARIN Region origin ASes present in the Internet Routing Table: 7823 ARIN Region origin ASes announcing only one prefix: 2505 ARIN Region transit ASes present in the Internet Routing Table: 763 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 199664468 Equivalent to 11 /8s, 230 /16s and 163 /24s Percentage of available ARIN address space announced: 74.4 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19250 Total RIPE prefixes after maximum aggregation: 14503 Prefixes being announced from the RIPE address blocks: 15987 Unique aggregates announced from the RIPE address blocks: 10429 RIPE Region origin ASes present in the Internet Routing Table: 3868 RIPE Region origin ASes announcing only one prefix: 2077 RIPE Region transit ASes present in the Internet Routing Table: 718 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 111972128 Equivalent to 6 /8s, 172 /16s and 143 /24s Percentage of available RIPE address space announced: 74.2 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 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1269 1223 906 Telstra Pty Ltd 4538 448 1258 18 China Education and Research 703 401 358 319 UUNET Technologies, Inc. 2764 367 358 337 connect.com.au pty ltd 2907 366 1864 341 SINET Japan 7474 313 292 212 Optus Communications Pty Ltd 17557 308 21 110 Pakistan Telecom 4755 303 120 82 Videsh Sanchar Nigam Ltd. Aut 4134 291 2114 107 Data Communications Bureau 9443 254 45 66 Primus Telecommunications 4766 217 1506 155 Korea Internet Exchange for " 4814 210 79 14 China Telecom (Group) - Beiji 9583 174 32 5 Satyam Infoway Ltd., 17676 154 2386 25 XTAGE CORPORATION 7539 153 202 148 TANet2, sponsored by NSC, TAI 9768 144 385 74 Korea Telecom 7657 130 22 88 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4713 115 1009 106 NTT Communications Corporatio 4621 111 11 61 UNINET-TH RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 950 2461 783 UUNET Technologies, Inc. 3301 396 924 346 TeliaNet Sweden 3352 280 535 29 Ibernet, Internet Access Netw 3215 266 628 166 France Telecom / &Equant 3320 241 1947 193 Deutsche Telekom AG 680 233 2149 230 DFN-IP service G-WiN 5515 216 783 172 Sonera Finland Autonomous Sys 1257 205 430 202 SWIPnet Swedish IP Network 5400 205 83 94 Concert European Core Network 719 189 306 128 LANLINK autonomous system 786 178 1873 177 The JANET IP Service 8708 140 23 137 Romania Data Systems S.A. 3303 135 546 134 Swisscom Ltd 2856 126 786 116 BTnet UK Regional network 12302 118 7 31 MobiFon S.A. 3246 112 301 107 Song Networks / Clinet 3269 111 690 68 TELECOM ITALIA 5511 108 192 87 France Telecom 3233 104 10 9 RNC - Romanian Natioanal R&D 2874 102 85 39 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1854 9256 1381 UUNET Technologies, Inc. 7018 1284 7406 933 AT&T 3908 920 1643 500 Supernet, Inc. 1239 824 3328 647 Sprint 1 693 8075 446 GENUITY 852 681 1173 447 Telus Advanced Communications 4323 631 438 258 Time Warner Communications, I 7843 616 358 234 Adelphia Corp. 209 611 2011 351 Qwest 7132 579 659 133 Southwestern Bell Internet Se 7046 565 889 362 UUNET Technologies, Inc. 690 513 75 315 Merit Network 7066 477 202 252 Virginia Polytechnic Institut 7029 475 167 58 Alltel Information Services, 2149 444 180 337 Performance Systems, Inc. 3549 441 839 317 Global Crossing 2914 407 2100 384 Verio, Inc. 15290 381 297 196 AT&T Canada IES 6197 347 248 169 BellSouth Network Solutions, 6347 339 370 77 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 579 446 Southwestern Bell Internet Se 4538 448 430 China Education and Research 3908 920 420 Supernet, Inc. 7029 475 417 Alltel Information Services, 7843 616 382 Adelphia Corp. 4323 631 373 Time Warner Communications, I 1221 1269 363 Telstra Pty Ltd 7018 1284 351 AT&T 11371 292 286 Rhythms NetConnections 4151 289 273 USDA 6347 339 262 SAVVIS Communications Corpora 209 611 260 Qwest 3352 280 251 Ibernet, Internet Access Netw 4355 301 249 EarthLink, Inc. 1 693 247 GENUITY 852 681 234 Telus Advanced Communications 7066 477 225 Virginia Polytechnic Institut 18566 228 224 Covad Communications 4755 303 221 Videsh Sanchar Nigam Ltd. Aut 6198 324 219 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 145.8.176.0/24 12469 Infonet Netherlands 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 192.5.154.0/24 16588 Spider Web Hosting Solutions 192.26.98.0/24 1239 Sprint 192.44.0.0/19 702 UUNET Technologies, Inc. 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 Finland Autonomous Sys 192.83.32.0/19 5515 Sonera Finland Autonomous Sys 192.83.96.0/22 5515 Sonera Finland Autonomous Sys 192.83.100.0/24 5515 Sonera Finland Autonomous Sys 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.135.248.0/23 109 Cisco Systems, Inc. 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 192.152.213.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 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 /8:21 /9:6 /10:7 /11:12 /12:36 /13:87 /14:233 /15:418 /16:7226 /17:1449 /18:2647 /19:7662 /20:7330 /21:5138 /22:7922 /23:9614 /24:62853 /25:198 /26:162 /27:74 /28:72 /29:51 /30:74 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 588 950 UUNET Technologies, Inc. 701 509 1854 UUNET Technologies, Inc. 3908 509 920 Supernet, Inc. 690 454 513 Merit Network 7843 424 616 Adelphia Corp. 7066 382 477 Virginia Polytechnic Institut 7029 373 475 Alltel Information Services, 7018 342 1284 AT&T 209 274 611 Qwest 6197 249 347 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 6198 237 324 BellSouth Network Solutions, 3301 234 396 TeliaNet Sweden 18566 224 228 Covad Communications 7046 218 565 UUNET Technologies, Inc. 1239 209 824 Sprint 3352 204 280 Ibernet, Internet Access Netw 1580 203 233 HQ, 5th Signal Command 3215 199 266 France Telecom / &Equant 1 193 693 GENUITY Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:501 13:10 15:2 17:6 20:2 24:794 25:1 32:41 38:9 40:6 44:1 57:13 61:269 62:209 63:1885 64:1255 65:1419 66:994 67:89 68:45 80:253 81:32 128:62 129:135 130:22 131:48 132:11 133:2 134:123 135:8 136:243 137:92 138:149 139:69 140:175 141:122 142:81 143:40 144:153 145:14 146:182 147:136 148:222 149:89 150:40 151:67 152:261 153:34 154:14 155:106 156:77 157:128 158:70 159:179 160:18 161:68 162:213 163:99 164:265 165:133 166:220 167:170 168:126 169:61 170:250 171:3 192:5444 193:2360 194:2091 195:921 196:395 198:3625 199:3185 200:2581 202:3261 203:4657 204:3255 205:2183 206:2670 207:2547 208:2650 209:2649 210:592 211:226 212:913 213:655 214:9 215:19 216:2852 217:465 218:28 End of report