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 07 Jun, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113547 Prefixes after maximum aggregation: 73217 Unique aggregates announced to Internet: 52497 Total ASes present in the Internet Routing Table: 13200 Origin-only ASes present in the Internet Routing Table: 11438 Origin ASes announcing only one prefix: 5038 Transit ASes present in the Internet Routing Table: 1762 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: 1 Non-routable prefixes present in the Routing Table: 1 Prefixes being announced from the IANA Reserved Address blocks: 38 Number of addresses announced to Internet: 1196851020 Equivalent to 71 /8s, 86 /16s and 127 /24s Percentage of available address space announced: 32.3 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 46204 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18312 Total APNIC prefixes after maximum aggregation: 10989 Prefixes being announced from the APNIC address blocks: 16771 Unique aggregates announced from the APNIC address blocks: 9812 APNIC Region origin ASes present in the Internet Routing Table: 1528 APNIC Region origin ASes announcing only one prefix: 503 APNIC Region transit ASes present in the Internet Routing Table: 269 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 90167136 Equivalent to 5 /8s, 95 /16s and 215 /24s Percentage of available APNIC address space announced: 66.7 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: 76027 Total ARIN prefixes after maximum aggregation: 47739 Prefixes being announced from the ARIN address blocks: 54204 Unique aggregates announced from the ARIN address blocks: 16626 ARIN Region origin ASes present in the Internet Routing Table: 7785 ARIN Region origin ASes announcing only one prefix: 2482 ARIN Region transit ASes present in the Internet Routing Table: 768 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 193158852 Equivalent to 11 /8s, 131 /16s and 94 /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 - 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: 19208 Total RIPE prefixes after maximum aggregation: 14489 Prefixes being announced from the RIPE address blocks: 15904 Unique aggregates announced from the RIPE address blocks: 10511 RIPE Region origin ASes present in the Internet Routing Table: 3831 RIPE Region origin ASes announcing only one prefix: 2053 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 110206496 Equivalent to 6 /8s, 145 /16s and 158 /24s Percentage of available RIPE address space announced: 73.0 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 1261 1206 904 Telstra Pty Ltd 4538 490 1258 18 China Education and Research 703 403 349 323 UUNET Technologies, Inc. 2907 387 1876 360 SINET Japan 2764 378 359 344 connect.com.au pty ltd 7474 310 291 203 Optus Communications Pty Ltd 17557 296 20 107 Pakistan Telecom 4134 289 2132 102 Data Communications Bureau 4755 270 114 77 Videsh Sanchar Nigam Ltd. Aut 9443 269 45 65 Primus Telecommunications 4766 225 1516 156 Korea Internet Exchange for " 4814 184 71 14 China Telecom (Group) - Beiji 4713 183 1009 106 NTT Communications Corporatio 9583 171 32 5 Satyam Infoway Ltd., 7539 151 202 146 TANet2, sponsored by NSC, TAI 9768 147 387 76 Korea Telecom 17676 146 2258 23 XTAGE CORPORATION 7657 136 22 86 The Internet Group Limited 4780 116 186 39 Digital United Inc. 9800 115 187 23 CHINA UNICOM RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1021 2621 845 UUNET Technologies, Inc. 3301 397 908 348 TeliaNet Sweden 5515 286 783 176 Sonera Finland Autonomous Sys 3352 278 537 27 Ibernet, Internet Access Netw 3215 263 598 162 France Telecom / &Equant 680 233 2149 230 DFN-IP service G-WiN 3320 233 1948 186 Deutsche Telekom AG 1257 206 430 203 SWIPnet Swedish IP Network 5400 203 83 94 Concert European Core Network 719 190 290 128 LANLINK autonomous system 786 179 1873 178 The JANET IP Service 8708 139 23 132 Romania Data Systems S.A. 12302 128 10 40 MobiFon S.A. 2856 125 789 115 BTnet UK Regional network 3303 117 546 116 Swisscom Ltd 8297 114 57 65 Teleglobe Autonomous System i 3269 113 692 70 TELECOM ITALIA 3246 107 300 101 Song Networks / Clinet 3233 103 7 56 RNC - Romanian Natioanal R&D 2830 98 251 73 UUNET Dual-Homed customers ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2017 9086 1423 UUNET Technologies, Inc. 7018 1290 7548 937 AT&T 3908 900 1642 490 Supernet, Inc. 1239 818 3430 652 Sprint 852 803 1192 451 Telus Advanced Communications 1 801 8148 449 GENUITY 705 797 180 274 UUNET Technologies, Inc. 7046 631 901 424 UUNET Technologies, Inc. 4323 628 436 258 Time Warner Communications, I 209 602 1973 336 Qwest 690 584 80 372 Merit Network 7132 572 609 136 Southwestern Bell Internet Se 7843 510 361 78 Adelphia Corp. 3549 498 857 323 Global Crossing 7066 476 202 249 Virginia Polytechnic Institut 2914 394 2108 387 Verio, Inc. 15290 387 299 201 AT&T Canada IES 3741 344 731 236 The Internet Solution 6197 344 246 169 BellSouth Network Solutions, 6347 341 370 79 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 705 797 523 UUNET Technologies, Inc. 4538 490 472 China Education and Research 7132 572 436 Southwestern Bell Internet Se 7843 510 432 Adelphia Corp. 3908 900 410 Supernet, Inc. 4323 628 370 Time Warner Communications, I 1221 1261 357 Telstra Pty Ltd 7018 1290 353 AT&T 852 803 352 Telus Advanced Communications 1 801 352 GENUITY 11371 292 286 Rhythms NetConnections 4151 286 270 USDA 209 602 266 Qwest 6347 341 262 SAVVIS Communications Corpora 3352 278 251 Ibernet, Internet Access Netw 7029 263 248 Alltel Information Services, 4355 284 242 EarthLink, Inc. 7066 476 227 Virginia Polytechnic Institut 18566 223 219 Covad Communications 4454 239 216 OIR Telecommunications, State List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.0.2.0/24 1103 SURFnet BV 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 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 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. 192.83.14.0/24 5515 Sonera Finland Autonomous Sys 192.83.16.0/20 5515 Sonera Finland Autonomous Sys 192.83.25.0/24 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 /12:34 /13:86 /14:233 /15:415 /16:7236 /17:1447 /18:2604 /19:7604 /20:7216 /21:5094 /22:7825 /23:9512 /24:63462 /25:213 /26:189 /27:79 /28:88 /29:47 /30:83 /31:1 /32:33 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 624 1021 UUNET Technologies, Inc. 705 593 797 UUNET Technologies, Inc. 701 566 2017 UUNET Technologies, Inc. 3908 489 900 Supernet, Inc. 690 462 584 Merit Network 7066 381 476 Virginia Polytechnic Institut 7018 338 1290 AT&T 7843 309 510 Adelphia Corp. 7046 271 631 UUNET Technologies, Inc. 209 270 602 Qwest 1 259 801 GENUITY 7029 248 263 Alltel Information Services, 6197 247 344 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 3301 238 397 TeliaNet Sweden 6198 233 320 BellSouth Network Solutions, 18566 219 223 Covad Communications 6517 218 240 Yipes Communications, Inc. 1239 209 818 Sprint 1580 203 233 HQ, 5th Signal Command Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:510 13:10 15:2 17:6 20:2 24:777 25:1 32:41 38:8 40:6 44:1 57:13 61:251 62:191 63:1942 64:1246 65:1618 66:939 67:85 68:163 80:237 81:28 128:61 129:136 130:23 131:51 132:11 133:3 134:118 135:8 136:245 137:91 138:150 139:58 140:174 141:120 142:82 143:37 144:151 145:13 146:174 147:138 148:201 149:91 150:40 151:97 152:270 153:34 154:14 155:99 156:76 157:125 158:69 159:127 160:18 161:69 162:154 163:99 164:275 165:130 166:229 167:172 168:123 169:57 170:360 171:2 192:5492 193:2372 194:2107 195:949 196:434 198:3705 199:3222 200:2526 202:3144 203:4570 204:3251 205:2176 206:2570 207:2725 208:2667 209:2749 210:587 211:224 212:918 213:638 214:9 215:19 216:3013 217:458 218:40 219:41 End of report