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 31 Aug, 2001 Analysis Summary ---------------- BGP routing table entries examined: 106542 Origin ASes present in the Internet Routing Table: 11578 Origin ASes announcing only one prefix: 4257 Transit ASes present in the Internet Routing Table: 1505 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 44 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1214981193 Equivalent to 72 /8s, 107 /16s and 36 /24s Percentage of available address space announced: 32.8 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 72523 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16099 Prefixes being announced from the APNIC address blocks: 14490 APNIC Region origin ASes present in the Internet Routing Table: 1359 APNIC Region origin ASes announcing only one prefix: 453 APNIC Region transit ASes present in the Internet Routing Table: 224 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 77770730 Equivalent to 4 /8s, 162 /16s and 175 /24s Percentage of available APNIC address space announced: 76.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 73197 Prefixes being announced from the ARIN address blocks: 52681 ARIN Region origin ASes present in the Internet Routing Table: 6965 ARIN Region origin ASes announcing only one prefix: 2075 ARIN Region transit ASes present in the Internet Routing Table: 700 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 207690849 Equivalent to 12 /8s, 97 /16s and 28 /24s Percentage of available ARIN address space announced: 77.4 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 - 22527 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: 17238 Prefixes being announced from the RIPE address blocks: 13646 RIPE Region origin ASes present in the Internet Routing Table: 3260 RIPE Region origin ASes announcing only one prefix: 1729 RIPE Region transit ASes present in the Internet Routing Table: 583 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 106320124 Equivalent to 6 /8s, 86 /16s and 80 /24s Percentage of available RIPE address space announced: 70.4 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 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 Description 1221 1594 1315 Telstra Pty Ltd 2764 430 378 connect.com.au pty ltd 703 427 368 UUNET Technologies, Inc. 2907 367 1816 SINET Japan 4755 297 163 Videsh Sanchar Nigam Ltd. Aut 4134 243 1761 Data Communications Bureau 7474 236 289 Optus Communications Pty Ltd 7539 210 191 TANet2, sponsored by NSC, TAI 4740 190 22 OzEmail ISP 4766 179 1320 Korea Internet Exchange for " 7545 146 25 TPG Internet Pty Ltd 9443 143 39 Primus Telecommunications 4786 131 17 NetConnect Communications Pty 9583 123 62 Satyam Infoway Ltd., 4763 120 69 Telstra New Zealand 4713 116 870 NTT Communications Corporatio 17561 116 167 Internet service provision to 7586 109 17 Paradox Digital Pty Ltd 4812 108 277 China Telecom (Group) 17557 106 7 Pakistan Telecom RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 725 1782 UUNET Technologies, Inc. 3301 431 917 TeliaNet Sweden 1257 278 522 SWIPnet Swedish IP Network 680 232 2261 DFN-IP service G-WiN 3215 221 512 France Telecom / &Equant 1270 203 826 UUNET Germany 5515 194 688 Sonera Finland Autonomous Sys 786 184 1890 The JANET IP Service 3320 183 1940 Deutsche Telekom AG 15870 182 11 Global Center Frankfurt 719 180 291 LANLINK autonomous system 8708 151 19 Romania Data Systems S.A. 15878 143 12 Global Center Paris 5400 136 66 Concert European Core Network 3303 132 576 Swisscom Ltd 2856 125 774 BTnet UK Regional network 5549 124 66 Nextra Deutschland GmbH + Co. 517 116 269 KPNQwest Germany GmbH 1267 103 1989 Infostrada S.p.A. 3269 100 780 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2260 8188 UUNET Technologies, Inc. 7018 1030 7164 AT&T 3908 905 649 Supernet, Inc. 1 877 8660 BBN Planet 7046 790 1024 UUNET Technologies, Inc. 1239 722 3284 Sprint 3967 602 487 Exodus Communication 690 516 80 Merit Network 209 508 2135 Qwest 2914 500 2292 Verio, Inc. 4293 473 114 Cable & Wireless USA 3561 423 2373 Cable & Wireless USA 2548 384 997 Business Internet, Inc. 2149 375 311 Performance Systems, Inc. 3549 367 835 Global Crossing 577 365 634 Bell Advanced Communications 4323 349 341 Time Warner Communications, I 15290 346 338 AT&T Canada IES 6347 337 360 SAVVIS Communications Corpora 4151 332 1234 USDA Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2260 8188 UUNET Technologies, Inc. 1221 1594 1315 Telstra Pty Ltd 7018 1030 7164 AT&T 3908 905 649 Supernet, Inc. 1 877 8660 BBN Planet 7046 790 1024 UUNET Technologies, Inc. 702 725 1782 UUNET Technologies, Inc. 1239 722 3284 Sprint 3967 602 487 Exodus Communication 690 516 80 Merit Network 209 508 2135 Qwest 2914 500 2292 Verio, Inc. 4293 473 114 Cable & Wireless USA 3301 431 917 TeliaNet Sweden 2764 430 378 connect.com.au pty ltd 703 427 368 UUNET Technologies, Inc. 3561 423 2373 Cable & Wireless USA 2548 384 997 Business Internet, Inc. 2149 375 311 Performance Systems, Inc. 2907 367 1816 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati 65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati 6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw 65000 PRIVATE 138.163.4.0/24 665 Department of Navy 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw 1877 UNALLOCATED 192.108.199.0/24 1755 Ebone Transit Core 65460 PRIVATE 192.231.11.0/24 7018 AT&T 65002 PRIVATE 193.77.3.0/24 5603 SiOL Internet d.o.o. 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q 6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc. 6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies, 65000 PRIVATE 212.30.88.0/24 5603 SiOL Internet d.o.o. 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS 6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.202.0/23 2914 Verio, Inc. 6971 UNALLOCATED 216.174.204.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.174.240.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 82.105.0.0/16 3269 TELECOM ITALIA 82.105.128.0/17 3269 TELECOM ITALIA 128.65.0.0/16 3463 ACES Research Inc 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 400 Headquarters Standard Systems 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 BBN Planet 144.7.0.0/16 701 UUNET Technologies, Inc. 153.34.0.0/15 701 UUNET Technologies, Inc. 153.36.0.0/14 701 UUNET Technologies, Inc. 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 201.115.100.0/24 7018 AT&T Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:5 /10:6 /11:12 /12:32 /13:84 /14:226 /15:380 /16:6957 /17:1224 /18:2324 /19:6913 /20:5701 /21:4676 /22:6904 /23:8783 /24:60638 /25:337 /26:339 /27:270 /28:269 /29:160 /30:201 /31:1 /32:83 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1445 1594 Telstra Pty Ltd 701 1425 2260 UUNET Technologies, Inc. 3908 752 905 Supernet, Inc. 7046 612 790 UUNET Technologies, Inc. 7018 527 1030 AT&T 690 513 516 Merit Network 702 470 725 UUNET Technologies, Inc. 4293 456 473 Cable & Wireless USA 3967 422 602 Exodus Communication 1 413 877 BBN Planet 1239 399 722 Sprint 2764 383 430 connect.com.au pty ltd 209 361 508 Qwest 703 357 427 UUNET Technologies, Inc. 11371 309 322 Rhythms NetConnections 4323 294 349 Time Warner Communications, I 4151 290 332 USDA 2548 276 384 Business Internet, Inc. 6995 275 289 Bell Atlantic Internet Soluti 705 273 315 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 9:1 12:408 13:10 15:1 17:6 20:1 24:766 26:1 32:70 38:8 43:4 44:2 53:2 55:1 57:15 61:68 62:137 63:1916 64:1341 65:640 66:451 80:36 128:44 129:114 130:17 131:42 132:12 133:1 134:151 135:8 136:22 137:142 138:200 139:46 140:195 141:161 142:63 143:39 144:140 145:11 146:145 147:130 148:180 149:89 150:37 151:209 152:390 153:32 154:23 155:79 156:84 157:121 158:72 159:64 160:46 161:59 162:67 163:158 164:108 165:95 166:187 167:142 168:119 169:36 170:286 171:2 192:5443 193:1944 194:2041 195:820 196:416 198:3670 199:3321 200:2491 201:1 202:2741 203:4607 204:3349 205:2263 206:2914 207:2639 208:3066 209:3229 210:529 211:126 212:824 213:468 214:8 215:13 216:3071 217:387 218:2 End of report
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Routing Analysis