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 14 Sep, 2001 Analysis Summary ---------------- BGP routing table entries examined: 106686 Origin ASes present in the Internet Routing Table: 11640 Origin ASes announcing only one prefix: 4290 Transit ASes present in the Internet Routing Table: 1515 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 16 Illegal AS announcements present in the Routing Table: 73 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: 1252459404 Equivalent to 74 /8s, 167 /16s and 3 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 72574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16336 Prefixes being announced from the APNIC address blocks: 14731 APNIC Region origin ASes present in the Internet Routing Table: 1371 APNIC Region origin ASes announcing only one prefix: 457 APNIC Region transit ASes present in the Internet Routing Table: 225 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 80288845 Equivalent to 4 /8s, 201 /16s and 28 /24s Percentage of available APNIC address space announced: 78.9 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: 72955 Prefixes being announced from the ARIN address blocks: 52501 ARIN Region origin ASes present in the Internet Routing Table: 6991 ARIN Region origin ASes announcing only one prefix: 2093 ARIN Region transit ASes present in the Internet Routing Table: 704 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 208588806 Equivalent to 12 /8s, 110 /16s and 208 /24s Percentage of available ARIN address space announced: 77.7 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 - 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: 17389 Prefixes being announced from the RIPE address blocks: 13767 RIPE Region origin ASes present in the Internet Routing Table: 3297 RIPE Region origin ASes announcing only one prefix: 1740 RIPE Region transit ASes present in the Internet Routing Table: 586 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 107139931 Equivalent to 6 /8s, 98 /16s and 211 /24s Percentage of available RIPE address space announced: 71.0 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 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 1606 1314 Telstra Pty Ltd 703 426 376 UUNET Technologies, Inc. 2764 421 377 connect.com.au pty ltd 2907 367 1816 SINET Japan 4755 292 159 Videsh Sanchar Nigam Ltd. Aut 4134 242 1799 Data Communications Bureau 7474 241 274 Optus Communications Pty Ltd 7539 212 199 TANet2, sponsored by NSC, TAI 4740 188 23 OzEmail ISP 4766 180 1336 Korea Internet Exchange for " 7545 146 25 TPG Internet Pty Ltd 9443 144 39 Primus Telecommunications 4786 127 17 NetConnect Communications Pty 17557 122 8 Pakistan Telecom 9583 121 62 Satyam Infoway Ltd., 4763 120 69 Telstra New Zealand 9768 119 362 Korea Telecom 4713 116 884 NTT Communications Corporatio 17561 116 167 Internet service provision to 4812 115 297 China Telecom (Group) RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 799 1934 UUNET Technologies, Inc. 3301 439 919 TeliaNet Sweden 1257 279 522 SWIPnet Swedish IP Network 680 236 2292 DFN-IP service G-WiN 3215 227 515 France Telecom / &Equant 5515 194 688 Sonera Finland Autonomous Sys 3320 185 1940 Deutsche Telekom AG 786 184 1890 The JANET IP Service 15870 180 11 Global Center Frankfurt 8708 154 16 Romania Data Systems S.A. 1270 150 738 UUNET Germany 15878 138 12 Global Center Paris 719 137 288 LANLINK autonomous system 5400 136 64 Concert European Core Network 3303 132 576 Swisscom Ltd 2856 126 774 BTnet UK Regional network 5549 125 66 Nextra Deutschland GmbH + Co. 517 117 269 KPNQwest Germany GmbH 1267 104 1990 Infostrada S.p.A. 3269 100 784 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2217 8180 UUNET Technologies, Inc. 7018 1038 7162 AT&T 3908 922 625 Supernet, Inc. 1 874 8636 BBN Planet 7046 795 988 UUNET Technologies, Inc. 1239 725 3262 Sprint 3967 601 473 Exodus Communication 209 540 2248 Qwest 2914 493 2244 Verio, Inc. 690 483 94 Merit Network 4293 466 113 Cable & Wireless USA 3561 408 2326 Cable & Wireless USA 2548 371 973 Business Internet, Inc. 3549 370 835 Global Crossing 2149 367 263 Performance Systems, Inc. 577 360 634 Bell Advanced Communications 4323 357 360 Time Warner Communications, I 15290 346 338 AT&T Canada IES 705 333 54 UUNET Technologies, Inc. 6347 333 360 SAVVIS Communications Corpora Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2217 8180 UUNET Technologies, Inc. 1221 1606 1314 Telstra Pty Ltd 7018 1038 7162 AT&T 3908 922 625 Supernet, Inc. 1 874 8636 BBN Planet 702 799 1934 UUNET Technologies, Inc. 7046 795 988 UUNET Technologies, Inc. 1239 725 3262 Sprint 3967 601 473 Exodus Communication 209 540 2248 Qwest 2914 493 2244 Verio, Inc. 690 483 94 Merit Network 4293 466 113 Cable & Wireless USA 3301 439 919 TeliaNet Sweden 703 426 376 UUNET Technologies, Inc. 2764 421 377 connect.com.au pty ltd 3561 408 2326 Cable & Wireless USA 2548 371 973 Business Internet, Inc. 3549 370 835 Global Crossing 2149 367 263 Performance Systems, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 22130 UNALLOCATED 4.18.195.0/24 3561 Cable & Wireless USA 22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In 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 578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun 22091 UNALLOCATED 65.113.20.0/24 209 Qwest 22195 UNALLOCATED 65.116.137.0/24 209 Qwest 22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies, 22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies, 22326 UNALLOCATED 65.170.47.0/24 1239 Sprint 22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela 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 192.108.201.0/24 1880 Stupi, house man's p 65460 PRIVATE 192.231.11.0/24 7018 AT&T 22313 UNALLOCATED 196.27.8.0/22 7927 Global One Venezuela 22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies, 22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo 65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo 22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela 22303 UNALLOCATED 204.62.219.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.222.0/24 2914 Verio, Inc. 22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies, 22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies, 22130 UNALLOCATED 205.180.228.0/24 3561 Cable & Wireless USA 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, 22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet 6971 UNALLOCATED 207.189.143.0/24 2516 Kokusai Denshin Denw 22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing 22326 UNALLOCATED 208.44.54.0/24 1239 Sprint 22091 UNALLOCATED 208.46.178.0/24 209 Qwest 22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA 22195 UNALLOCATED 208.252.244.0/24 209 Qwest 22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies, 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS 21040 UNALLOCATED 213.196.128.0/18 702 UUNET Technologies, 22313 UNALLOCATED 216.72.155.0/24 7927 Global One Venezuela 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. 22326 UNALLOCATED 216.207.88.0/24 1239 Sprint 22326 UNALLOCATED 216.207.89.0/24 1239 Sprint 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 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 164.235.0.0/16 6025 US DOD NIC Unregistered 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 /8:18 /9:7 /10:6 /11:12 /12:33 /13:85 /14:226 /15:381 /16:6972 /17:1234 /18:2343 /19:6927 /20:5778 /21:4725 /22:6972 /23:8884 /24:60424 /25:336 /26:358 /27:266 /28:264 /29:158 /30:194 /31:1 /32:82 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1457 1606 Telstra Pty Ltd 701 1394 2217 UUNET Technologies, Inc. 3908 772 922 Supernet, Inc. 7046 623 795 UUNET Technologies, Inc. 7018 541 1038 AT&T 702 529 799 UUNET Technologies, Inc. 690 479 483 Merit Network 4293 449 466 Cable & Wireless USA 3967 421 601 Exodus Communication 1 417 874 BBN Planet 1239 405 725 Sprint 209 376 540 Qwest 2764 374 421 connect.com.au pty ltd 703 355 426 UUNET Technologies, Inc. 6995 307 321 Bell Atlantic Internet Soluti 4323 299 357 Time Warner Communications, I 11371 292 305 Rhythms NetConnections 705 290 333 UUNET Technologies, Inc. 4151 288 330 USDA 5106 284 301 Ameritech Advanced Data Servi Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:405 13:10 15:1 17:6 20:1 24:782 25:1 26:1 32:72 38:10 43:3 44:2 53:2 55:1 57:15 61:70 62:135 63:1907 64:1343 65:699 66:473 67:2 80:45 128:50 129:119 130:19 131:42 132:11 133:1 134:139 135:10 136:21 137:93 138:203 139:46 140:194 141:198 142:56 143:39 144:140 145:12 146:142 147:130 148:231 149:89 150:37 151:208 152:379 153:33 154:19 155:76 156:89 157:119 158:72 159:66 160:46 161:59 162:63 163:145 164:93 165:96 166:186 167:142 168:116 169:37 170:283 171:2 192:5409 193:1955 194:2008 195:836 196:415 198:3650 199:3256 200:2522 201:1 202:2774 203:4615 204:3305 205:2223 206:2838 207:2556 208:3085 209:3142 210:550 211:133 212:836 213:494 214:8 215:13 216:3065 217:389 218:2 End of report
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Routing Analysis