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 19 Oct, 2001 Analysis Summary ---------------- BGP routing table entries examined: 110006 Origin ASes present in the Internet Routing Table: 11920 Origin ASes announcing only one prefix: 4395 Transit ASes present in the Internet Routing Table: 1551 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 61 Non-routable prefixes present in the Routing Table: 1 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1298884804 Equivalent to 77 /8s, 107 /16s and 104 /24s Percentage of available address space announced: 35.0 Percentage of allocated address space announced: 66.9 Percentage of available address space allocated: 52.4 Total number of prefixes smaller than registry allocations: 74537 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16475 Prefixes being announced from the APNIC address blocks: 15087 APNIC Region origin ASes present in the Internet Routing Table: 1382 APNIC Region origin ASes announcing only one prefix: 461 APNIC Region transit ASes present in the Internet Routing Table: 229 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 82749745 Equivalent to 4 /8s, 238 /16s and 169 /24s Percentage of available APNIC address space announced: 69.8 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75759 Prefixes being announced from the ARIN address blocks: 53844 ARIN Region origin ASes present in the Internet Routing Table: 7176 ARIN Region origin ASes announcing only one prefix: 2146 ARIN Region transit ASes present in the Internet Routing Table: 717 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 219103009 Equivalent to 13 /8s, 15 /16s and 63 /24s Percentage of available ARIN address space announced: 81.6 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: 17768 Prefixes being announced from the RIPE address blocks: 14148 RIPE Region origin ASes present in the Internet Routing Table: 3369 RIPE Region origin ASes announcing only one prefix: 1788 RIPE Region transit ASes present in the Internet Routing Table: 605 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 109171596 Equivalent to 6 /8s, 129 /16s and 211 /24s Percentage of available RIPE address space announced: 72.3 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 1577 1291 Telstra Pty Ltd 2764 410 358 connect.com.au pty ltd 703 373 336 UUNET Technologies, Inc. 2907 373 1880 SINET Japan 4755 290 164 Videsh Sanchar Nigam Ltd. Aut 7474 251 274 Optus Communications Pty Ltd 4134 242 1862 Data Communications Bureau 4766 185 1466 Korea Internet Exchange for " 4740 184 27 OzEmail ISP 7539 174 230 TANet2, sponsored by NSC, TAI 9443 160 54 Primus Telecommunications 2521 139 171 PSINet Japan 17557 132 8 Pakistan Telecom 9768 131 363 Korea Telecom 4786 122 14 NetConnect Communications Pty 4763 120 69 Telstra New Zealand 9583 119 61 Satyam Infoway Ltd., 4713 118 901 NTT Communications Corporatio 17561 114 167 Internet service provision to 7657 107 22 The Internet Group Limited RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 912 1948 UUNET Technologies, Inc. 3301 434 950 TeliaNet Sweden 1257 273 512 SWIPnet Swedish IP Network 680 241 2309 DFN-IP service G-WiN 3215 236 523 France Telecom / &Equant 5515 195 688 Sonera Finland Autonomous Sys 3320 190 1940 Deutsche Telekom AG 786 185 1890 The JANET IP Service 8708 163 17 Romania Data Systems S.A. 1103 144 4089 SURFnet BV 15870 141 10 Global Center Frankfurt 5400 139 64 Concert European Core Network 719 133 289 LANLINK autonomous system 2856 130 8968 BTnet UK Regional network 3303 130 560 Swisscom Ltd 1270 129 732 UUNET Germany 5549 129 83 Nextra Deutschland GmbH + Co. 15878 118 9 Global Center Paris 517 112 252 KPNQwest Germany GmbH 12302 109 7 MobiFon S.A. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2282 9083 UUNET Technologies, Inc. 3908 1152 1638 Supernet, Inc. 7018 1074 7309 AT&T 1 859 8587 BBN Planet 7046 815 1021 UUNET Technologies, Inc. 1239 743 3389 Sprint 209 584 2238 Qwest 3967 581 471 Exodus Communication 690 498 75 Merit Network 2914 475 2267 Verio, Inc. 4293 454 112 Cable & Wireless USA 3561 434 2384 Cable & Wireless USA 2149 433 331 Performance Systems, Inc. 3549 378 843 Global Crossing 721 374 4389 DLA Systems Automation Center 705 365 60 UUNET Technologies, Inc. 577 351 636 Bell Advanced Communications 4323 351 358 Time Warner Communications, I 5106 351 242 Ameritech Advanced Data Servi 3741 345 773 The Internet Solution Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2282 9083 UUNET Technologies, Inc. 1221 1577 1291 Telstra Pty Ltd 3908 1152 1638 Supernet, Inc. 7018 1074 7309 AT&T 702 912 1948 UUNET Technologies, Inc. 1 859 8587 BBN Planet 7046 815 1021 UUNET Technologies, Inc. 1239 743 3389 Sprint 209 584 2238 Qwest 3967 581 471 Exodus Communication 690 498 75 Merit Network 2914 475 2267 Verio, Inc. 4293 454 112 Cable & Wireless USA 3301 434 950 TeliaNet Sweden 3561 434 2384 Cable & Wireless USA 2149 433 331 Performance Systems, Inc. 2764 410 358 connect.com.au pty ltd 3549 378 843 Global Crossing 721 374 4389 DLA Systems Automation Center 703 373 336 UUNET Technologies, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.104.0/22 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 22571 UNALLOCATED 64.214.53.0/24 3549 Global Crossing 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 22528 UNALLOCATED 192.25.225.0/24 701 UUNET Technologies, 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 5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati 5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati 5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 22501 UNALLOCATED 200.16.194.0/24 4926 Telintar S.A. 22501 UNALLOCATED 200.16.249.0/24 4926 Telintar S.A. 22501 UNALLOCATED 200.41.203.0/24 4926 Telintar S.A. 22501 UNALLOCATED 200.41.248.0/24 4926 Telintar S.A. 22501 UNALLOCATED 200.63.186.0/24 4926 Telintar S.A. 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, 22528 UNALLOCATED 208.251.6.0/24 701 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 216.174.200.0/21 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 216.210.128.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc. 6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/7 2856 BTnet UK Regional network Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 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 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 /7:1 /8:18 /9:5 /10:8 /11:12 /12:34 /13:89 /14:227 /15:394 /16:7120 /17:1311 /18:2416 /19:7038 /20:5958 /21:4815 /22:7139 /23:9153 /24:62734 /25:345 /26:323 /27:260 /28:251 /29:146 /30:166 /31:1 /32:42 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1460 2282 UUNET Technologies, Inc. 1221 1433 1577 Telstra Pty Ltd 3908 883 1152 Supernet, Inc. 7046 639 815 UUNET Technologies, Inc. 702 621 912 UUNET Technologies, Inc. 7018 564 1074 AT&T 690 495 498 Merit Network 4293 440 454 Cable & Wireless USA 209 418 584 Qwest 1 412 859 BBN Planet 1239 405 743 Sprint 3967 403 581 Exodus Communication 2764 365 410 connect.com.au pty ltd 5106 331 351 Ameritech Advanced Data Servi 705 313 365 UUNET Technologies, Inc. 11686 309 342 Education Networks of America 703 308 373 UUNET Technologies, Inc. 2149 308 433 Performance Systems, Inc. 4151 301 343 USDA 11371 299 310 Rhythms NetConnections Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:422 13:10 15:1 17:5 20:1 24:806 25:1 26:1 32:74 38:14 43:3 44:2 52:1 53:2 57:15 61:106 62:165 63:1958 64:1270 65:828 66:498 67:2 80:72 128:51 129:107 130:20 131:47 132:40 133:2 134:123 135:13 136:102 137:93 138:195 139:52 140:178 141:58 142:58 143:39 144:147 145:40 146:226 147:130 148:189 149:90 150:40 151:202 152:406 153:51 154:19 155:83 156:95 157:112 158:74 159:70 160:46 161:61 162:70 163:148 164:123 165:100 166:208 167:157 168:122 169:40 170:288 171:2 192:5639 193:1988 194:2079 195:841 196:459 198:4144 199:3959 200:2445 201:1 202:2929 203:4552 204:3377 205:2220 206:2903 207:2634 208:3155 209:3095 210:575 211:134 212:876 213:516 214:9 215:16 216:3017 217:389 218:2 End of report