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 Jul, 2001 Analysis Summary ---------------- BGP routing table entries examined: 104573 Origin ASes present in the Internet Routing Table: 11312 Origin ASes announcing only one prefix: 4160 Transit ASes present in the Internet Routing Table: 1514 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 15 Illegal AS announcements present in the Routing Table: 19 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: 1240384498 Equivalent to 73 /8s, 238 /16s and 195 /24s Percentage of available address space announced: 33.5 Percentage of allocated address space announced: 65.0 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 71049 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15502 Prefixes being announced from the APNIC address blocks: 13946 APNIC Region origin ASes present in the Internet Routing Table: 1329 APNIC Region origin ASes announcing only one prefix: 463 APNIC Region transit ASes present in the Internet Routing Table: 223 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 74027962 Equivalent to 4 /8s, 105 /16s and 147 /24s Percentage of available APNIC address space announced: 72.8 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: 71715 Prefixes being announced from the ARIN address blocks: 51695 ARIN Region origin ASes present in the Internet Routing Table: 6798 ARIN Region origin ASes announcing only one prefix: 2013 ARIN Region transit ASes present in the Internet Routing Table: 710 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 13 Number of ARIN addresses announced to Internet: 201112880 Equivalent to 11 /8s, 252 /16s and 189 /24s Percentage of available ARIN address space announced: 79.9 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, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 17353 Prefixes being announced from the RIPE address blocks: 13448 RIPE Region origin ASes present in the Internet Routing Table: 3195 RIPE Region origin ASes announcing only one prefix: 1684 RIPE Region transit ASes present in the Internet Routing Table: 582 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 101605394 Equivalent to 6 /8s, 14 /16s and 96 /24s Percentage of available RIPE address space announced: 67.3 RIPE AS Blocks 1877 - 1901, 2042, 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 1673 1346 Telstra 2764 433 345 connect.com.au pty ltd 703 401 383 UUNET Technologies, Inc. 2907 367 1784 SINET Japan 4755 283 158 VSNL India 7474 242 292 Optus Communications 4134 232 1610 Data Communications Bureau 7539 207 165 TANet2, sponsored by NSC, TAI 4766 176 1336 KORnet Powered BY Korea Telec 7545 145 21 TPG Internet Pty Ltd 9443 134 38 INTERNETPRIMUS-AS-A 4786 130 17 NetConnect Communications Pty 4763 118 69 Telstra New Zealand 17561 115 151 Internet service provision to 7657 113 22 The Internet Group Limited 7586 112 17 Paradox Digital Pty. Ltd 4812 111 279 Shanghai Telecom Company 4740 110 15 Ozemail 4713 109 878 NTT-OCNET 9583 108 60 Satyam Infoway Ltd., RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 679 1846 UUNET Technologies, Inc. 3301 430 918 TeliaNet Sweden 15870 417 12 Global Center Frankfurt 1257 280 504 Swipnet AB 1270 245 868 UUNET Germany 680 232 2069 Deutschef Forschurgsnetz 3215 220 495 RAIN 15878 202 8 Global Center Paris 719 187 291 LANLINK 786 184 1890 JANET IP Service 5515 174 654 Sonera Finland 3320 170 1410 Deutsche Telekom AG 8708 151 15 Romania Data System 5400 139 66 Concert Internet Plus Europea 3303 130 575 Swisscom 517 124 272 Xlink 2856 123 776 BTnet UK Regional network 5549 117 66 Seicom Computer Gmb 1267 107 1989 IUnet S.p.A 8503 106 3 PCNET - PCNET DATA Network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2318 8313 UUNET Technologies, Inc. 7018 971 6988 AT&T 1 906 8715 BBN Planet 7046 744 1055 UUNET Technologies, Inc. 1239 686 3295 Sprint ICM-Inria 690 525 94 Merit Network 2914 518 2317 Verio, Inc. 4293 491 99 Cable & Wireless USA 209 473 1883 Qwest 3561 433 2450 Cable & Wireless USA 3908 420 583 Supernet, Inc. 2548 415 1012 Digital Express Group, Inc. 2149 414 377 Performance Systems, Inc. 18994 397 10 Global Crossing 4323 361 300 Time Warner Communications, I 3549 351 809 Global Crossing 11371 337 100 Rhythms NetConnections 3967 331 450 Exodus Communication 15290 321 340 AT&T Canada IES 6347 315 353 SAVVIS Communications Corpora Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2318 8313 UUNET Technologies, Inc. 1221 1673 1346 Telstra 7018 971 6988 AT&T 1 906 8715 BBN Planet 7046 744 1055 UUNET Technologies, Inc. 1239 686 3295 Sprint ICM-Inria 702 679 1846 UUNET Technologies, Inc. 690 525 94 Merit Network 2914 518 2317 Verio, Inc. 4293 491 99 Cable & Wireless USA 209 473 1883 Qwest 2764 433 345 connect.com.au pty ltd 3561 433 2450 Cable & Wireless USA 3301 430 918 TeliaNet Sweden 3908 420 583 Supernet, Inc. 15870 417 12 Global Center Frankfurt 2548 415 1012 Digital Express Group, Inc. 2149 414 377 Performance Systems, Inc. 703 401 383 UUNET Technologies, Inc. 18994 397 10 Global Crossing List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18541 UNALLOCATED 63.166.66.0/24 1239 Sprint ICM-Inria 18541 UNALLOCATED 63.169.205.0/24 1239 Sprint ICM-Inria 578 UNALLOCATED 64.230.242.0/28 577 Bell Canada 578 UNALLOCATED 64.230.242.16/28 577 Bell Canada 65501 PRIVATE 64.243.116.0/24 16890 K&G Network Services 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT 1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT 19062 UNALLOCATED 192.197.96.0/20 1691 BCTEL Advanced Commu 65460 PRIVATE 192.231.11.0/24 7018 AT&T 5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies, 17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET 4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net 19551 UNALLOCATED 204.229.224.0/22 6226 US West Communicatio 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 19322 UNALLOCATED 208.44.17.0/24 209 Qwest 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 99.0.0.0/8 9638 National Agricultural Coopera 128.65.0.0/16 3463 ACES Research Inc 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 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 US DOD NIC Unregistered 172.32.1.0/25 1221 Telstra 172.122.0.0/16 701 UUNET Technologies, Inc. 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 /8:20 /9:5 /10:6 /11:8 /12:32 /13:82 /14:215 /15:353 /16:6914 /17:1177 /18:2244 /19:6753 /20:5408 /21:4515 /22:6806 /23:8631 /24:59130 /25:289 /26:361 /27:429 /28:431 /29:355 /30:336 /31:1 /32:72 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1518 1673 Telstra 701 1454 2318 UUNET Technologies, Inc. 7046 577 744 UUNET Technologies, Inc. 690 521 525 Merit Network 7018 490 971 AT&T 4293 475 491 Cable & Wireless USA 702 428 679 UUNET Technologies, Inc. 1 426 906 BBN Planet 15870 413 417 Global Center Frankfurt 18994 395 397 Global Crossing 2764 389 433 connect.com.au pty ltd 1239 369 686 Sprint ICM-Inria 209 351 473 Qwest 703 331 401 UUNET Technologies, Inc. 11371 324 337 Rhythms NetConnections 3908 319 420 Supernet, Inc. 4323 314 361 Time Warner Communications, I 18993 308 312 Global Crossing 2548 304 415 Digital Express Group, Inc. 8013 278 308 PSINet Ltd. Canada Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 9:6 12:579 13:13 15:11 17:11 20:7 24:846 26:1 32:42 35:4 38:30 40:2 43:4 44:5 45:1 47:40 52:2 53:4 55:1 56:5 57:15 61:117 62:197 63:2512 64:2746 65:1001 66:758 80:47 128:61 129:188 130:54 131:67 132:41 133:1 134:231 135:11 136:36 137:178 138:233 139:86 140:257 141:225 142:113 143:98 144:198 145:32 146:199 147:180 148:239 149:124 150:63 151:261 152:984 153:40 154:21 155:144 156:92 157:156 158:113 159:82 160:85 161:146 162:160 163:237 164:167 165:250 166:260 167:158 168:215 169:54 170:446 171:20 172:1 192:32 193:2607 194:2750 195:1078 196:3 198:4 199:3881 200:2756 202:3739 203:5755 204:4372 205:2926 206:4110 207:3637 208:5200 209:4100 210:777 211:293 212:1124 213:697 216:4751 217:441 218:3 End of report
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Routing Analysis