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 07 Sep, 2001 Analysis Summary ---------------- BGP routing table entries examined: 106500 Origin ASes present in the Internet Routing Table: 11598 Origin ASes announcing only one prefix: 4246 Transit ASes present in the Internet Routing Table: 1496 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: 56 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 16 Number of addresses announced to Internet: 1249301522 Equivalent to 74 /8s, 118 /16s and 212 /24s Percentage of available address space announced: 33.7 Percentage of allocated address space announced: 64.9 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 72451 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16244 Prefixes being announced from the APNIC address blocks: 14602 APNIC Region origin ASes present in the Internet Routing Table: 1364 APNIC Region origin ASes announcing only one prefix: 455 APNIC Region transit ASes present in the Internet Routing Table: 228 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 78064736 Equivalent to 4 /8s, 167 /16s and 44 /24s Percentage of available APNIC address space announced: 76.8 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: 72943 Prefixes being announced from the ARIN address blocks: 52482 ARIN Region origin ASes present in the Internet Routing Table: 6980 ARIN Region origin ASes announcing only one prefix: 2069 ARIN Region transit ASes present in the Internet Routing Table: 695 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 208005059 Equivalent to 12 /8s, 101 /16s and 231 /24s Percentage of available ARIN address space announced: 77.5 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: 17303 Prefixes being announced from the RIPE address blocks: 13699 RIPE Region origin ASes present in the Internet Routing Table: 3266 RIPE Region origin ASes announcing only one prefix: 1722 RIPE Region transit ASes present in the Internet Routing Table: 576 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 106868523 Equivalent to 6 /8s, 94 /16s and 175 /24s Percentage of available RIPE address space announced: 70.8 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 1619 1315 Telstra Pty Ltd 2764 433 378 connect.com.au pty ltd 703 429 383 UUNET Technologies, Inc. 2907 368 1816 SINET Japan 4755 291 161 Videsh Sanchar Nigam Ltd. Aut 4766 260 1335 Korea Internet Exchange for " 4134 245 1785 Data Communications Bureau 7474 240 289 Optus Communications Pty Ltd 7539 205 184 TANet2, sponsored by NSC, TAI 4740 188 22 OzEmail ISP 7545 145 25 TPG Internet Pty Ltd 9443 143 39 Primus Telecommunications 4786 129 17 NetConnect Communications Pty 9583 122 62 Satyam Infoway Ltd., 4763 120 69 Telstra New Zealand 17561 116 167 Internet service provision to 4713 115 868 NTT Communications Corporatio 17557 109 7 Pakistan Telecom 4808 108 192 CHINANET core WAN North 4812 108 277 China Telecom (Group) RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 755 1824 UUNET Technologies, Inc. 3301 434 918 TeliaNet Sweden 1257 279 522 SWIPnet Swedish IP Network 680 235 2292 DFN-IP service G-WiN 3215 223 512 France Telecom / &Equant 5515 194 688 Sonera Finland Autonomous Sys 3320 185 1940 Deutsche Telekom AG 786 184 1890 The JANET IP Service 15870 181 11 Global Center Frankfurt 719 180 291 LANLINK autonomous system 1270 177 772 UUNET Germany 8708 151 16 Romania Data Systems S.A. 15878 143 12 Global Center Paris 5400 135 64 Concert European Core Network 3303 132 576 Swisscom Ltd 2856 125 774 BTnet UK Regional network 5549 124 66 Nextra Deutschland GmbH + Co. 517 115 269 KPNQwest Germany GmbH 1267 104 1990 Infostrada S.p.A. 3269 100 785 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2261 8204 UUNET Technologies, Inc. 7018 1032 7146 AT&T 3908 910 634 Supernet, Inc. 1 877 8629 BBN Planet 7046 798 1007 UUNET Technologies, Inc. 1239 721 3283 Sprint 3967 603 471 Exodus Communication 209 522 2201 Qwest 690 509 81 Merit Network 2914 496 2244 Verio, Inc. 4293 475 114 Cable & Wireless USA 3561 414 2328 Cable & Wireless USA 2548 384 982 Business Internet, Inc. 2149 371 311 Performance Systems, Inc. 3549 366 834 Global Crossing 577 364 634 Bell Advanced Communications 4323 351 343 Time Warner Communications, I 15290 344 338 AT&T Canada IES 6347 333 360 SAVVIS Communications Corpora 4151 332 1234 USDA Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2261 8204 UUNET Technologies, Inc. 1221 1619 1315 Telstra Pty Ltd 7018 1032 7146 AT&T 3908 910 634 Supernet, Inc. 1 877 8629 BBN Planet 7046 798 1007 UUNET Technologies, Inc. 702 755 1824 UUNET Technologies, Inc. 1239 721 3283 Sprint 3967 603 471 Exodus Communication 209 522 2201 Qwest 690 509 81 Merit Network 2914 496 2244 Verio, Inc. 4293 475 114 Cable & Wireless USA 3301 434 918 TeliaNet Sweden 2764 433 378 connect.com.au pty ltd 703 429 383 UUNET Technologies, Inc. 3561 414 2328 Cable & Wireless USA 2548 384 982 Business Internet, Inc. 2149 371 311 Performance Systems, Inc. 2907 368 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 64512 PRIVATE 63.109.70.0/24 20363 Impsat Peru 64512 PRIVATE 63.109.74.0/24 20363 Impsat Peru 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 22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies, 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 192.108.201.0/24 1880 Stupi, house man's p 65460 PRIVATE 192.231.11.0/24 7018 AT&T 22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies, 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 64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q 22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies, 22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies, 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 22091 UNALLOCATED 208.46.178.0/24 209 Qwest 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 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 160.89.0.0/16 1800 SPRINT 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 /8:18 /9:7 /10:6 /11:12 /12:32 /13:85 /14:226 /15:380 /16:6951 /17:1232 /18:2330 /19:6913 /20:5759 /21:4697 /22:6939 /23:8827 /24:60379 /25:332 /26:356 /27:305 /28:280 /29:164 /30:193 /31:1 /32:76 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1470 1619 Telstra Pty Ltd 701 1424 2261 UUNET Technologies, Inc. 3908 761 910 Supernet, Inc. 7046 622 798 UUNET Technologies, Inc. 7018 538 1032 AT&T 690 506 509 Merit Network 702 493 755 UUNET Technologies, Inc. 4293 458 475 Cable & Wireless USA 3967 423 603 Exodus Communication 1 417 877 BBN Planet 1239 397 721 Sprint 2764 386 433 connect.com.au pty ltd 209 364 522 Qwest 703 357 429 UUNET Technologies, Inc. 6995 308 322 Bell Atlantic Internet Soluti 11371 307 320 Rhythms NetConnections 4323 294 351 Time Warner Communications, I 4151 290 332 USDA 2548 278 384 Business Internet, Inc. 705 276 318 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:1 12:407 13:10 15:1 17:6 20:1 24:775 26:1 32:72 38:8 43:3 44:2 53:2 55:1 57:15 61:70 62:134 63:1904 64:1339 65:660 66:468 80:42 128:47 129:116 130:16 131:42 132:12 133:1 134:137 135:9 136:22 137:86 138:204 139:45 140:196 141:194 142:62 143:39 144:139 145:11 146:145 147:116 148:230 149:90 150:36 151:209 152:387 153:31 154:21 155:80 156:85 157:117 158:73 159:66 160:44 161:59 162:66 163:143 164:126 165:96 166:188 167:141 168:117 169:37 170:287 171:2 192:5408 193:1946 194:2038 195:831 196:413 198:3670 199:3269 200:2504 201:1 202:2713 203:4618 204:3314 205:2246 206:2856 207:2550 208:3087 209:3201 210:528 211:128 212:821 213:478 214:6 215:14 216:3051 217:394 218:2 End of report
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Routing Analysis