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 27 Jul, 2001 Analysis Summary ---------------- BGP routing table entries examined: 105607 Origin ASes present in the Internet Routing Table: 11377 Origin ASes announcing only one prefix: 4157 Transit ASes present in the Internet Routing Table: 1500 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: 55 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 18 Number of addresses announced to Internet: 1246191288 Equivalent to 74 /8s, 71 /16s and 94 /24s Percentage of available address space announced: 33.6 Percentage of allocated address space announced: 65.3 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 71945 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15682 Prefixes being announced from the APNIC address blocks: 14143 APNIC Region origin ASes present in the Internet Routing Table: 1330 APNIC Region origin ASes announcing only one prefix: 460 APNIC Region transit ASes present in the Internet Routing Table: 222 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 74489733 Equivalent to 4 /8s, 112 /16s and 159 /24s Percentage of available APNIC address space announced: 73.2 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: 72516 Prefixes being announced from the ARIN address blocks: 52358 ARIN Region origin ASes present in the Internet Routing Table: 6855 ARIN Region origin ASes announcing only one prefix: 2012 ARIN Region transit ASes present in the Internet Routing Table: 707 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 12 Number of ARIN addresses announced to Internet: 200791200 Equivalent to 11 /8s, 247 /16s and 212 /24s Percentage of available ARIN address space announced: 79.8 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: 17406 Prefixes being announced from the RIPE address blocks: 13497 RIPE Region origin ASes present in the Internet Routing Table: 3208 RIPE Region origin ASes announcing only one prefix: 1685 RIPE Region transit ASes present in the Internet Routing Table: 573 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 102374143 Equivalent to 6 /8s, 26 /16s and 26 /24s Percentage of available RIPE address space announced: 67.8 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 1669 1330 Telstra 2764 442 362 connect.com.au pty ltd 703 402 367 UUNET Technologies, Inc. 2907 367 1784 SINET Japan 4755 298 163 VSNL India 7474 245 293 Optus Communications 4134 233 1618 Data Communications Bureau 7539 209 175 TANet2, sponsored by NSC, TAI 4766 176 1336 KORnet Powered BY Korea Telec 7545 145 21 TPG Internet Pty Ltd 9443 143 40 INTERNETPRIMUS-AS-A 4786 129 17 NetConnect Communications Pty 4763 119 69 Telstra New Zealand 17561 115 151 Internet service provision to 7586 114 17 Paradox Digital Pty. Ltd 4812 111 279 Shanghai Telecom Company 7657 111 22 The Internet Group Limited 4713 109 878 NTT-OCNET 4740 109 15 Ozemail 4732 108 358 DDI Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 680 1831 UUNET Technologies, Inc. 3301 430 918 TeliaNet Sweden 15870 412 12 Global Center Frankfurt 1257 280 520 Swipnet AB 1270 244 869 UUNET Germany 680 229 2069 Deutschef Forschurgsnetz 3215 227 496 RAIN 15878 202 8 Global Center Paris 719 185 291 LANLINK 786 184 1890 JANET IP Service 5515 176 654 Sonera Finland 3320 175 1411 Deutsche Telekom AG 8708 153 15 Romania Data System 5400 139 66 Concert Internet Plus Europea 3303 131 576 Swisscom 517 125 272 Xlink 2856 123 776 BTnet UK Regional network 5549 117 66 Seicom Computer Gmb 8503 108 3 PCNET - PCNET DATA Network 1267 107 1989 IUnet S.p.A ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2309 8321 UUNET Technologies, Inc. 7018 980 7031 AT&T 1 902 8699 BBN Planet 7046 755 1072 UUNET Technologies, Inc. 1239 694 3296 Sprint ICM-Inria 2914 516 2319 Verio, Inc. 690 507 77 Merit Network 4293 484 98 Cable & Wireless USA 209 476 1868 Qwest 2551 452 651 NETCOM On-Line Communication 3561 430 2430 Cable & Wireless USA 3908 415 487 Supernet, Inc. 2548 413 1010 Digital Express Group, Inc. 2149 408 345 Performance Systems, Inc. 18994 392 10 Global Crossing 3549 357 815 Global Crossing 4323 339 314 Time Warner Communications, I 11371 337 100 Rhythms NetConnections 3967 334 454 Exodus Communication 15290 327 340 AT&T Canada IES Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2309 8321 UUNET Technologies, Inc. 1221 1669 1330 Telstra 7018 980 7031 AT&T 1 902 8699 BBN Planet 7046 755 1072 UUNET Technologies, Inc. 1239 694 3296 Sprint ICM-Inria 702 680 1831 UUNET Technologies, Inc. 2914 516 2319 Verio, Inc. 690 507 77 Merit Network 4293 484 98 Cable & Wireless USA 209 476 1868 Qwest 2551 452 651 NETCOM On-Line Communication 2764 442 362 connect.com.au pty ltd 3301 430 918 TeliaNet Sweden 3561 430 2430 Cable & Wireless USA 3908 415 487 Supernet, Inc. 2548 413 1010 Digital Express Group, Inc. 15870 412 12 Global Center Frankfurt 2149 408 345 Performance Systems, Inc. 703 402 367 UUNET Technologies, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 17680 UNALLOCATED 61.213.48.0/20 10009 ARE Works,Inc. 18541 UNALLOCATED 63.166.66.0/24 1239 Sprint ICM-Inria 18541 UNALLOCATED 63.169.205.0/24 1239 Sprint ICM-Inria 19714 UNALLOCATED 64.166.88.0/24 701 UUNET Technologies, 65501 PRIVATE 64.243.116.0/24 16890 K&G Network Services 19714 UNALLOCATED 65.200.78.0/23 701 UUNET Technologies, 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, 20938 UNALLOCATED 195.13.38.0/23 8246 Internet Technologie 17803 UNALLOCATED 202.68.128.0/19 4755 VSNL India 17803 UNALLOCATED 202.68.134.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.135.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.136.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.138.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.139.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.140.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.145.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.146.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.147.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.148.0/24 4755 VSNL India 17803 UNALLOCATED 202.68.150.0/24 4755 VSNL India 17803 UNALLOCATED 202.157.190.0/23 4755 VSNL India 17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET 4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net 21637 UNALLOCATED 204.1.98.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.1.106.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.1.107.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.1.108.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.1.109.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.68.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.76.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.94.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.95.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.96.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.100.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.104.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.106.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.107.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.109.0/24 2914 Verio, Inc. 21637 UNALLOCATED 204.27.115.0/24 2914 Verio, Inc. 20413 UNALLOCATED 204.108.128.0/17 6347 SAVVIS Communication 19551 UNALLOCATED 204.229.224.0/22 6226 US West Communicatio 20413 UNALLOCATED 207.8.234.0/24 6347 SAVVIS Communication 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 20413 UNALLOCATED 207.106.119.0/24 6347 SAVVIS Communication 19322 UNALLOCATED 208.44.17.0/24 209 Qwest 21879 UNALLOCATED 208.253.207.96/27 16467 NextWeb, Inc. 21879 UNALLOCATED 209.81.62.0/24 701 UUNET Technologies, 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 82.105.0.0/16 3269 TELECOM ITALIA 82.105.128.0/17 3269 TELECOM ITALIA 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 /11:9 /12:32 /13:82 /14:218 /15:362 /16:6921 /17:1189 /18:2252 /19:6762 /20:5492 /21:4560 /22:6837 /23:8663 /24:59919 /25:291 /26:363 /27:430 /28:435 /29:352 /30:336 /31:1 /32:70 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1516 1669 Telstra 701 1444 2309 UUNET Technologies, Inc. 7046 589 755 UUNET Technologies, Inc. 690 504 507 Merit Network 7018 500 980 AT&T 4293 468 484 Cable & Wireless USA 702 429 680 UUNET Technologies, Inc. 1 423 902 BBN Planet 15870 408 412 Global Center Frankfurt 2764 397 442 connect.com.au pty ltd 18994 390 392 Global Crossing 1239 380 694 Sprint ICM-Inria 209 356 476 Qwest 2551 342 452 NETCOM On-Line Communication 703 333 402 UUNET Technologies, Inc. 11371 324 337 Rhythms NetConnections 3908 320 415 Supernet, Inc. 18993 305 309 Global Crossing 2548 303 413 Digital Express Group, Inc. 4323 290 339 Time Warner Communications, I Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 6:12 9:6 12:585 13:13 15:11 17:13 20:7 24:850 26:1 32:43 35:3 38:20 40:2 43:4 44:10 45:1 47:40 52:2 53:4 55:1 56:5 57:15 61:137 62:196 63:2520 64:2753 65:1036 66:773 80:44 128:61 129:182 130:54 131:67 132:42 133:1 134:240 135:13 136:37 137:180 138:233 139:86 140:259 141:225 142:118 143:98 144:209 145:32 146:195 147:179 148:250 149:124 150:63 151:264 152:965 153:40 154:16 155:141 156:92 157:156 158:114 159:83 160:93 161:146 162:157 163:248 164:206 165:252 166:262 167:173 168:208 169:54 170:449 171:20 172:1 192:32 193:2624 194:2768 195:1046 196:3 198:6 199:3942 200:2751 202:3775 203:5804 204:4404 205:2948 206:4144 207:3688 208:5215 209:4415 210:795 211:335 212:1121 213:711 216:4760 217:461 218:3 End of report
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Routing Analysis