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 Jun, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113461 Prefixes after maximum aggregation: 73552 Unique aggregates announced to Internet: 54191 Total ASes present in the Internet Routing Table: 13300 Origin-only ASes present in the Internet Routing Table: 11517 Origin ASes announcing only one prefix: 5099 Transit ASes present in the Internet Routing Table: 1783 Transit-only ASes present in the Internet Routing Table: 49 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: 3 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: 1195266012 Equivalent to 71 /8s, 62 /16s and 79 /24s Percentage of available address space announced: 32.2 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 45931 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18539 Total APNIC prefixes after maximum aggregation: 11056 Prefixes being announced from the APNIC address blocks: 17010 Unique aggregates announced from the APNIC address blocks: 10442 APNIC Region origin ASes present in the Internet Routing Table: 1544 APNIC Region origin ASes announcing only one prefix: 501 APNIC Region transit ASes present in the Internet Routing Table: 275 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 87593312 Equivalent to 5 /8s, 56 /16s and 145 /24s Percentage of available APNIC address space announced: 64.8 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 220/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75682 Total ARIN prefixes after maximum aggregation: 47908 Prefixes being announced from the ARIN address blocks: 53850 Unique aggregates announced from the ARIN address blocks: 17635 ARIN Region origin ASes present in the Internet Routing Table: 7832 ARIN Region origin ASes announcing only one prefix: 2510 ARIN Region transit ASes present in the Internet Routing Table: 771 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 192501588 Equivalent to 11 /8s, 121 /16s and 87 /24s Percentage of available ARIN address space announced: 71.7 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: 19238 Total RIPE prefixes after maximum aggregation: 14588 Prefixes being announced from the RIPE address blocks: 15939 Unique aggregates announced from the RIPE address blocks: 10568 RIPE Region origin ASes present in the Internet Routing Table: 3876 RIPE Region origin ASes announcing only one prefix: 2088 RIPE Region transit ASes present in the Internet Routing Table: 722 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 111988256 Equivalent to 6 /8s, 172 /16s and 206 /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 1265 1223 905 Telstra Pty Ltd 4538 424 1194 16 China Education and Research 703 400 357 318 UUNET Technologies, Inc. 2764 369 359 338 connect.com.au pty ltd 2907 366 1864 340 SINET Japan 7474 313 292 208 Optus Communications Pty Ltd 17557 302 20 114 Pakistan Telecom 4755 296 117 82 Videsh Sanchar Nigam Ltd. Aut 4134 289 2114 105 Data Communications Bureau 9443 252 45 66 Primus Telecommunications 4713 226 1009 106 NTT Communications Corporatio 4766 216 1504 154 Korea Internet Exchange for " 4814 201 79 14 China Telecom (Group) - Beiji 9583 177 32 5 Satyam Infoway Ltd., 7539 155 219 149 TANet2, sponsored by NSC, TAI 17676 152 2354 23 XTAGE CORPORATION 9768 145 386 74 Korea Telecom 7657 139 22 88 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4621 112 11 61 UNINET-TH RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1023 2615 846 UUNET Technologies, Inc. 3301 402 925 351 TeliaNet Sweden 3352 277 535 26 Ibernet, Internet Access Netw 3215 266 598 165 France Telecom / &Equant 3320 241 1947 193 Deutsche Telekom AG 680 233 2149 230 DFN-IP service G-WiN 5515 206 783 172 Sonera Finland Autonomous Sys 5400 205 83 94 Concert European Core Network 1257 204 430 201 SWIPnet Swedish IP Network 719 192 306 130 LANLINK autonomous system 786 177 1857 176 The JANET IP Service 8708 141 23 138 Romania Data Systems S.A. 3303 136 546 135 Swisscom Ltd 12302 128 18 35 MobiFon S.A. 2856 126 786 116 BTnet UK Regional network 3269 111 690 68 TELECOM ITALIA 3246 110 301 105 Song Networks / Clinet 8297 105 52 58 Teleglobe Autonomous System i 2874 103 85 39 Global One Services AB 3233 102 6 56 RNC - Romanian Natioanal R&D ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1862 9258 1387 UUNET Technologies, Inc. 7018 1296 7469 933 AT&T 3908 916 1642 496 Supernet, Inc. 1239 820 3360 645 Sprint 1 699 8131 450 GENUITY 852 678 1173 448 Telus Advanced Communications 4323 632 438 259 Time Warner Communications, I 209 613 2003 350 Qwest 7843 608 354 242 Adelphia Corp. 7046 590 876 377 UUNET Technologies, Inc. 7132 579 659 133 Southwestern Bell Internet Se 690 511 75 317 Merit Network 7029 478 167 58 Alltel Information Services, 7066 468 202 250 Virginia Polytechnic Institut 3549 439 836 314 Global Crossing 2149 422 195 320 Performance Systems, Inc. 2914 389 2100 382 Verio, Inc. 15290 381 297 196 AT&T Canada IES 6197 347 248 169 BellSouth Network Solutions, 6347 342 370 80 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 579 446 Southwestern Bell Internet Se 3908 916 420 Supernet, Inc. 7029 478 420 Alltel Information Services, 4538 424 408 China Education and Research 4323 632 373 Time Warner Communications, I 7843 608 366 Adelphia Corp. 7018 1296 363 AT&T 1221 1265 360 Telstra Pty Ltd 11371 292 286 Rhythms NetConnections 4151 289 273 USDA 209 613 263 Qwest 6347 342 262 SAVVIS Communications Corpora 4355 306 253 EarthLink, Inc. 3352 277 251 Ibernet, Internet Access Netw 1 699 249 GENUITY 852 678 230 Telus Advanced Communications 4454 248 225 OIR Telecommunications, State 18566 228 224 Covad Communications 7066 468 218 Virginia Polytechnic Institut 6198 322 217 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65111 PRIVATE 64.200.152.0/23 7911 Williams Communicati 65111 PRIVATE 64.200.154.0/23 7911 Williams Communicati 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 /8:20 /9:6 /10:7 /11:12 /12:36 /13:87 /14:232 /15:417 /16:7241 /17:1449 /18:2640 /19:7692 /20:7306 /21:5130 /22:7870 /23:9605 /24:63043 /25:188 /26:168 /27:78 /28:83 /29:44 /30:83 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 631 1023 UUNET Technologies, Inc. 701 514 1862 UUNET Technologies, Inc. 3908 504 916 Supernet, Inc. 690 452 511 Merit Network 7843 418 608 Adelphia Corp. 7029 376 478 Alltel Information Services, 7066 373 468 Virginia Polytechnic Institut 7018 353 1296 AT&T 209 270 613 Qwest 6197 249 347 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 3301 238 402 TeliaNet Sweden 6198 235 322 BellSouth Network Solutions, 7046 232 590 UUNET Technologies, Inc. 18566 224 228 Covad Communications 6517 213 235 Yipes Communications, Inc. 1239 203 820 Sprint 1580 203 233 HQ, 5th Signal Command 3352 201 277 Ibernet, Internet Access Netw 3215 200 266 France Telecom / &Equant Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:502 13:10 15:2 17:6 20:2 24:799 25:1 32:41 38:9 40:6 44:1 57:13 61:269 62:217 63:1905 64:1244 65:1405 66:998 67:89 68:47 80:259 81:30 128:60 129:133 130:22 131:47 132:11 133:3 134:121 135:8 136:244 137:92 138:145 139:69 140:175 141:121 142:83 143:40 144:153 145:14 146:180 147:138 148:223 149:89 150:40 151:67 152:261 153:33 154:14 155:106 156:77 157:127 158:69 159:128 160:18 161:69 162:214 163:100 164:261 165:134 166:223 167:172 168:131 169:60 170:358 171:3 192:5482 193:2360 194:2072 195:938 196:397 198:3649 199:3193 200:2555 202:3235 203:4654 204:3249 205:2160 206:2690 207:2602 208:2674 209:2647 210:585 211:226 212:897 213:646 214:9 215:19 216:2826 217:458 218:44 219:81 End of report