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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04:00 +10GMT Sun 16 Jun, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117114
Prefixes after maximum aggregation: 75794
Unique aggregates announced to Internet: 52670
Total ASes present in the Internet Routing Table: 13236
Origin-only ASes present in the Internet Routing Table: 11471
Origin ASes announcing only one prefix: 5039
Transit ASes present in the Internet Routing Table: 1765
Transit-only ASes present in the Internet Routing Table: 52
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: 26
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1196210140
Equivalent to 71 /8s, 76 /16s and 183 /24s
Percentage of available address space announced: 32.3
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 49267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18430
Total APNIC prefixes after maximum aggregation: 11007
Prefixes being announced from the APNIC address blocks: 16943
Unique aggregates announced from the APNIC address blocks: 9859
APNIC Region origin ASes present in the Internet Routing Table: 1538
APNIC Region origin ASes announcing only one prefix: 500
APNIC Region transit ASes present in the Internet Routing Table: 276
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 89917280
Equivalent to 5 /8s, 92 /16s and 7 /24s
Percentage of available APNIC address space announced: 66.5
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: 79531
Total ARIN prefixes after maximum aggregation: 50279
Prefixes being announced from the ARIN address blocks: 54720
Unique aggregates announced from the ARIN address blocks: 16685
ARIN Region origin ASes present in the Internet Routing Table: 7802
ARIN Region origin ASes announcing only one prefix: 2482
ARIN Region transit ASes present in the Internet Routing Table: 766
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 193424468
Equivalent to 11 /8s, 135 /16s and 108 /24s
Percentage of available ARIN address space announced: 72.1
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
25600 - 26623
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: 19153
Total RIPE prefixes after maximum aggregation: 14508
Prefixes being announced from the RIPE address blocks: 15862
Unique aggregates announced from the RIPE address blocks: 10580
RIPE Region origin ASes present in the Internet Routing Table: 3844
RIPE Region origin ASes announcing only one prefix: 2057
RIPE Region transit ASes present in the Internet Routing Table: 706
Average RIPE Region AS path length visible: 6.0
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 110578976
Equivalent to 6 /8s, 151 /16s and 77 /24s
Percentage of available RIPE address space announced: 73.2
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 1256 1222 904 Telstra Pty Ltd
4538 468 1162 17 China Education and Research
703 412 350 330 UUNET Technologies, Inc.
2907 385 1876 358 SINET Japan
2764 376 359 343 connect.com.au pty ltd
7474 311 291 207 Optus Communications Pty Ltd
17557 309 21 118 Pakistan Telecom
4134 290 2132 102 Data Communications Bureau
4755 289 115 77 Videsh Sanchar Nigam Ltd. Aut
9443 250 45 65 Primus Telecommunications
4766 216 1504 154 Korea Internet Exchange for "
4814 197 79 14 China Telecom (Group) - Beiji
4713 183 1009 106 NTT Communications Corporatio
9583 174 32 5 Satyam Infoway Ltd.,
17676 145 2274 22 XTAGE CORPORATION
7657 140 22 88 The Internet Group Limited
9768 139 376 71 Korea Telecom
9800 115 187 23 CHINA UNICOM
4780 112 186 39 Digital United Inc.
4739 110 56 101 Commerical Internet eXchange
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1017 2617 841 UUNET Technologies, Inc.
3301 397 908 348 TeliaNet Sweden
3352 278 537 27 Ibernet, Internet Access Netw
3215 265 598 163 France Telecom / &Equant
680 233 2149 230 DFN-IP service G-WiN
3320 231 1946 184 Deutsche Telekom AG
5515 205 783 171 Sonera Finland Autonomous Sys
5400 204 83 94 Concert European Core Network
1257 203 430 200 SWIPnet Swedish IP Network
719 191 306 129 LANLINK autonomous system
786 178 1873 177 The JANET IP Service
8708 140 23 137 Romania Data Systems S.A.
3303 132 547 131 Swisscom Ltd
2856 125 789 115 BTnet UK Regional network
12302 122 10 29 MobiFon S.A.
3269 113 692 70 TELECOM ITALIA
8297 112 57 65 Teleglobe Autonomous System i
3246 105 284 100 Song Networks / Clinet
3233 102 6 56 RNC - Romanian Natioanal R&D
2874 98 85 38 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2149 3449 387 2803 Performance Systems, Inc.
701 2007 8973 1404 UUNET Technologies, Inc.
7018 1284 7436 932 AT&T
3908 907 1642 494 Supernet, Inc.
1239 807 3406 644 Sprint
705 804 189 278 UUNET Technologies, Inc.
852 779 1191 446 Telus Advanced Communications
1 700 8148 449 GENUITY
4323 629 436 258 Time Warner Communications, I
7843 615 375 60 Adelphia Corp.
209 607 1972 338 Qwest
7046 600 851 394 UUNET Technologies, Inc.
690 588 81 376 Merit Network
7132 574 611 133 Southwestern Bell Internet Se
3549 481 857 321 Global Crossing
7066 475 202 249 Virginia Polytechnic Institut
2914 395 2109 387 Verio, Inc.
15290 384 299 198 AT&T Canada IES
174 358 4607 29 PSINet Inc.
6197 346 246 170 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
701 2007 603 UUNET Technologies, Inc.
7843 615 555 Adelphia Corp.
705 804 526 UUNET Technologies, Inc.
4538 468 451 China Education and Research
7132 574 441 Southwestern Bell Internet Se
3908 907 413 Supernet, Inc.
4323 629 371 Time Warner Communications, I
7018 1284 352 AT&T
1221 1256 352 Telstra Pty Ltd
852 779 333 Telus Advanced Communications
174 358 329 PSINet Inc.
11371 292 286 Rhythms NetConnections
209 607 269 Qwest
4151 285 269 USDA
6347 337 259 SAVVIS Communications Corpora
1 700 251 GENUITY
3352 278 251 Ibernet, Internet Access Netw
7029 263 248 Alltel Information Services,
4355 297 245 EarthLink, Inc.
7066 475 226 Virginia Polytechnic Institut
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
6262 UNALLOCATED 150.229.0.0/19 7572 Australian Academic
25975 UNALLOCATED 192.58.243.0/24 4565 Epoch Networks
25975 UNALLOCATED 192.104.242.0/24 4565 Epoch Networks
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
12501 UNALLOCATED 193.13.234.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.0.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.5.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.7.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.243.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.244.0/23 3301 TeliaNet Sweden
12501 UNALLOCATED 193.180.246.0/24 3301 TeliaNet Sweden
12501 UNALLOCATED 194.165.224.0/19 3301 TeliaNet Sweden
25975 UNALLOCATED 198.177.251.0/24 4565 Epoch Networks
25975 UNALLOCATED 198.177.252.0/23 4565 Epoch Networks
25975 UNALLOCATED 198.177.254.0/24 4565 Epoch Networks
18228 UNALLOCATED 202.6.160.0/20 3758 SingNet
17996 UNALLOCATED 202.162.32.0/20 17885 ISP-Project
17902 UNALLOCATED 203.109.150.0/24 4648 Netgate
25979 UNALLOCATED 205.213.213.0/24 701 UUNET Technologies,
25979 UNALLOCATED 205.213.214.0/24 701 UUNET Technologies,
25979 UNALLOCATED 205.213.215.0/24 701 UUNET Technologies,
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
12501 UNALLOCATED 212.32.128.0/18 3301 TeliaNet Sweden
12501 UNALLOCATED 212.217.128.0/17 3301 TeliaNet Sweden
12501 UNALLOCATED 213.79.128.0/17 3301 TeliaNet Sweden
25967 UNALLOCATED 216.234.80.0/20 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
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 GENUITY
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
192.26.98.0/24 1239 Sprint
192.44.0.0/19 702 UUNET Technologies, Inc.
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.83.16.0/20 5515 Sonera Finland Autonomous Sys
192.83.32.0/19 5515 Sonera Finland Autonomous Sys
192.83.96.0/22 5515 Sonera Finland Autonomous Sys
192.83.100.0/24 5515 Sonera Finland Autonomous Sys
192.91.198.0/24 2568 CTS Network Services
192.92.167.0/24 297 NASA Science Network
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.135.248.0/23 109 Cisco Systems, Inc.
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.152.213.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
192.195.253.0/24 237 Merit Network
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 7168 Northwest Link
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:6 /10:7 /11:12 /12:34
/13:89 /14:234 /15:416 /16:7243 /17:1453 /18:2618
/19:7656 /20:7256 /21:5094 /22:7837 /23:9533 /24:66872
/25:199 /26:183 /27:82 /28:86 /29:51 /30:91
/31:1 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2149 2842 3449 Performance Systems, Inc.
702 624 1017 UUNET Technologies, Inc.
705 599 804 UUNET Technologies, Inc.
701 570 2007 UUNET Technologies, Inc.
3908 495 907 Supernet, Inc.
690 466 588 Merit Network
7843 397 615 Adelphia Corp.
7066 380 475 Virginia Polytechnic Institut
7018 340 1284 AT&T
174 298 358 PSINet Inc.
209 276 607 Qwest
6197 249 346 BellSouth Network Solutions,
7029 248 263 Alltel Information Services,
7046 246 600 UUNET Technologies, Inc.
11371 245 292 Rhythms NetConnections
3301 238 397 TeliaNet Sweden
6198 232 319 BellSouth Network Solutions,
18566 219 223 Covad Communications
6517 217 239 Yipes Communications, Inc.
1239 208 807 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:507 13:10 15:2 17:6
20:2 24:804 25:1 32:41 38:2983 40:6
44:1 57:13 61:266 62:203 63:1939 64:1235
65:1652 66:963 67:84 68:176 80:239 81:27
128:60 129:140 130:24 131:47 132:11 133:3
134:119 135:8 136:247 137:93 138:150 139:54
140:141 141:122 142:83 143:36 144:147 145:15
146:174 147:138 148:212 149:95 150:40 151:127
152:264 153:33 154:26 155:98 156:77 157:126
158:69 159:127 160:18 161:67 162:154 163:98
164:275 165:130 166:229 167:172 168:128 169:59
170:344 171:2 192:5482 193:2368 194:2067 195:953
196:398 198:3677 199:3235 200:2563 202:3239 203:4633
204:3416 205:2186 206:2758 207:2664 208:2677 209:2703
210:585 211:222 212:900 213:639 214:9 215:19
216:2996 217:457 218:39 219:41
End of report
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