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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
* To unsubscribe: send "unsubscribe" to bgp-stats-request@lists.apnic.net *
Routing Table Report 04:00 +10GMT Fri 15 Mar, 2002
Analysis Summary
----------------
BGP routing table entries examined: 109450
Prefixes after maximum aggregation: 72169
Unique aggregates announced to Internet: 51968
Total ASes present in the Internet Routing Table: 12748
Origin-only ASes present in the Internet Routing Table: 11030
Origin ASes announcing only one prefix: 4836
Transit ASes present in the Internet Routing Table: 1718
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 57
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 20
Number of addresses announced to Internet: 1168289960
Equivalent to 69 /8s, 162 /16s and 176 /24s
Percentage of available address space announced: 31.5
Percentage of allocated address space announced: 59.6
Percentage of available address space allocated: 52.8
Total number of prefixes smaller than registry allocations: 73189
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 17769
Total APNIC prefixes after maximum aggregation: 10602
Prefixes being announced from the APNIC address blocks: 16298
Unique aggregates announced from the APNIC address blocks: 9968
APNIC Region origin ASes present in the Internet Routing Table: 1461
APNIC Region origin ASes announcing only one prefix: 485
APNIC Region transit ASes present in the Internet Routing Table: 257
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81671488
Equivalent to 4 /8s, 222 /16s and 53 /24s
Percentage of available APNIC address space announced: 60.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 73262
Total ARIN prefixes after maximum aggregation: 47408
Prefixes being announced from the ARIN address blocks: 51837
Unique aggregates announced from the ARIN address blocks: 16239
ARIN Region origin ASes present in the Internet Routing Table: 7548
ARIN Region origin ASes announcing only one prefix: 2364
ARIN Region transit ASes present in the Internet Routing Table: 783
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 190135236
Equivalent to 11 /8s, 85 /16s and 59 /24s
Percentage of available ARIN address space announced: 70.8
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 - 23551
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: 18363
Total RIPE prefixes after maximum aggregation: 14159
Prefixes being announced from the RIPE address blocks: 15139
Unique aggregates announced from the RIPE address blocks: 10073
RIPE Region origin ASes present in the Internet Routing Table: 3679
RIPE Region origin ASes announcing only one prefix: 1987
RIPE Region transit ASes present in the Internet Routing Table: 664
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 107528736
Equivalent to 6 /8s, 104 /16s and 194 /24s
Percentage of available RIPE address space announced: 71.2
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, 24576 - 25599
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 MaxAgg Description
1221 1288 1228 950 Telstra Pty Ltd
4538 436 1162 16 China Education and Research
703 407 333 316 UUNET Technologies, Inc.
2907 405 1926 371 SINET Japan
2764 387 361 363 connect.com.au pty ltd
7474 298 289 202 Optus Communications Pty Ltd
4755 297 111 83 Videsh Sanchar Nigam Ltd. Aut
4134 274 1962 97 Data Communications Bureau
9443 274 44 63 Primus Telecommunications
17557 236 15 99 Pakistan Telecom
9394 221 113 4 CHINA RAILWAY Internet(CRNET)
4766 212 1520 148 Korea Internet Exchange for "
4804 165 84 68 Microplex PTY LTD
9583 149 32 5 Satyam Infoway Ltd.,
7539 138 233 132 TANet2, sponsored by NSC, TAI
9768 137 385 82 Korea Telecom
4713 127 906 104 NTT Communications Corporatio
7657 123 22 86 The Internet Group Limited
4780 118 186 40 Digital United Inc.
17676 117 1872 17 XTAGE CORPORATION
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1032 2611 843 UUNET Technologies, Inc.
3301 395 924 349 TeliaNet Sweden
3215 262 570 157 France Telecom / &Equant
1257 236 486 232 SWIPnet Swedish IP Network
680 231 2147 230 DFN-IP service G-WiN
5515 216 697 171 Sonera Finland Autonomous Sys
5400 198 83 93 Concert European Core Network
3320 197 1964 172 Deutsche Telekom AG
786 182 1874 182 The JANET IP Service
719 163 289 118 LANLINK autonomous system
8708 156 23 145 Romania Data Systems S.A.
2856 130 788 119 BTnet UK Regional network
3303 124 579 124 Swisscom Ltd
12302 123 8 44 MobiFon S.A.
8297 118 37 66 Teleglobe Autonomous System i
3269 116 693 70 TELECOM ITALIA
517 102 227 100 KPNQwest Germany GmbH
9051 101 6 25 INCONET Autonomous System
2874 97 100 37 Global One Services AB
5511 92 192 80 France Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 2150 8356 1515 UUNET Technologies, Inc.
7018 1212 7494 907 AT&T
3908 846 1675 481 Supernet, Inc.
1 836 8123 610 BBN Planet
1239 797 3366 625 Sprint
4323 640 436 253 Time Warner Communications, I
7046 620 835 405 UUNET Technologies, Inc.
209 556 1993 322 Qwest
7132 518 545 158 Southwestern Bell Internet Se
852 478 1120 350 Telus Advanced Communications
3549 477 843 242 Global Crossing
690 436 67 282 Merit Network
2914 421 2177 418 Verio, Inc.
705 386 116 277 UUNET Technologies, Inc.
7843 385 313 50 Adelphia Corp.
2149 371 224 310 Performance Systems, Inc.
3741 345 731 235 The Internet Solution
2386 331 371 189 AT&T Data Communications Serv
6197 326 215 168 BellSouth Network Solutions,
577 320 602 214 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 436 420 China Education and Research
4323 640 387 Time Warner Communications, I
3908 846 365 Supernet, Inc.
7132 518 360 Southwestern Bell Internet Se
1221 1288 338 Telstra Pty Ltd
7843 385 335 Adelphia Corp.
7018 1212 305 AT&T
4151 305 289 USDA
6198 309 276 BellSouth Network Solutions,
11371 280 274 Rhythms NetConnections
6347 318 237 SAVVIS Communications Corpora
3549 477 235 Global Crossing
209 556 234 Qwest
7029 243 228 Alltel Information Services,
1 836 226 BBN Planet
9394 221 217 CHINA RAILWAY Internet(CRNET)
7046 620 215 UUNET Technologies, Inc.
4755 297 214 Videsh Sanchar Nigam Ltd. Aut
9443 274 211 Primus Telecommunications
4355 242 205 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64581 PRIVATE 192.89.47.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.49.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.158.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.183.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.190.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.191.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.192.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.193.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.89.194.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.130.46.0/24 5515 Sonera Finland Auton
64553 PRIVATE 192.130.156.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.194.181.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.194.236.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.194.244.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.194.245.0/24 5515 Sonera Finland Auton
64581 PRIVATE 192.194.246.0/23 5515 Sonera Finland Auton
64581 PRIVATE 192.194.248.0/23 5515 Sonera Finland Auton
64581 PRIVATE 193.208.88.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.209.70.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.209.129.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.210.27.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.210.59.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.210.120.0/23 5515 Sonera Finland Auton
64581 PRIVATE 193.210.122.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.210.123.0/24 5515 Sonera Finland Auton
64558 PRIVATE 193.211.44.0/24 5515 Sonera Finland Auton
64581 PRIVATE 193.211.61.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.89.71.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.89.164.0/22 5515 Sonera Finland Auton
64581 PRIVATE 194.89.246.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.89.248.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.89.249.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.64.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.65.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.66.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.67.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.68.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.69.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.70.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.111.71.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.137.62.0/24 5515 Sonera Finland Auton
64558 PRIVATE 194.137.237.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.142.170.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.104.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.157.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.158.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.159.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.160.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.178.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.250.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.251.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.197.252.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.252.103.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.252.104.0/24 5515 Sonera Finland Auton
64581 PRIVATE 194.252.202.0/23 5515 Sonera Finland Auton
64581 PRIVATE 195.156.255.0/24 5515 Sonera Finland Auton
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
96.0.0.0/20 3549 Global Crossing
101.101.5.0/24 684 Manitoba Regional Network
101.101.101.0/24 684 Manitoba Regional Network
102.102.102.0/24 684 Manitoba Regional Network
121.121.121.0/24 684 Manitoba Regional Network
122.122.122.0/24 684 Manitoba Regional Network
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.
153.36.0.0/14 701 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
189.186.184.0/24 4471 Michigan Internet Cooperative
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 /8:19 /9:5 /10:8 /11:14 /12:35
/13:88 /14:230 /15:405 /16:7184 /17:1389 /18:2548
/19:7413 /20:6902 /21:4898 /22:7503 /23:9160 /24:60796
/25:209 /26:238 /27:100 /28:71 /29:77 /30:120
/31:0 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1395 2150 UUNET Technologies, Inc.
1221 1145 1288 Telstra Pty Ltd
702 657 1032 UUNET Technologies, Inc.
7018 632 1212 AT&T
3908 579 846 Supernet, Inc.
4323 510 640 Time Warner Communications, I
1239 456 797 Sprint
7046 437 620 UUNET Technologies, Inc.
1 433 836 BBN Planet
690 432 436 Merit Network
209 369 556 Qwest
2764 343 387 connect.com.au pty ltd
3549 340 477 Global Crossing
705 333 386 UUNET Technologies, Inc.
703 329 407 UUNET Technologies, Inc.
2149 279 371 Performance Systems, Inc.
6197 275 326 BellSouth Network Solutions,
11371 274 280 Rhythms NetConnections
7066 272 301 Virginia Polytechnic Institut
852 271 478 Telus Advanced Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
3:1 9:1 12:488 13:10 15:1 17:5
20:2 24:760 25:1 32:68 38:9 40:6
44:1 57:14 61:263 62:173 63:1884 64:1160
65:1072 66:812 67:53 68:4 80:210 81:6
101:2 102:1 121:1 122:1 128:64 129:121
130:23 131:56 132:11 133:3 134:126 135:9
136:212 137:103 138:147 139:48 140:186 141:64
142:82 143:37 144:142 145:11 146:218 147:157
148:133 149:92 150:41 151:50 152:343 153:33
154:8 155:88 156:76 157:117 158:73 159:119
160:24 161:55 162:139 163:107 164:98 165:123
166:223 167:188 168:106 169:50 170:289 171:2
189:1 192:5415 193:2236 194:2123 195:799 196:428
198:3674 199:3168 200:2368 201:1 202:2994 203:4547
204:3298 205:2151 206:2487 207:2634 208:2565 209:2807
210:527 211:201 212:865 213:588 214:9 215:18
216:3005 217:460 218:21
End of report
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