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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 Sat 15 Jun, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117156
Prefixes after maximum aggregation: 75808
Unique aggregates announced to Internet: 52689
Total ASes present in the Internet Routing Table: 13232
Origin-only ASes present in the Internet Routing Table: 11465
Origin ASes announcing only one prefix: 5046
Transit ASes present in the Internet Routing Table: 1767
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 19
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: 36
Number of addresses announced to Internet: 1195956700
Equivalent to 71 /8s, 72 /16s and 217 /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: 49264
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18487
Total APNIC prefixes after maximum aggregation: 11068
Prefixes being announced from the APNIC address blocks: 16953
Unique aggregates announced from the APNIC address blocks: 9876
APNIC Region origin ASes present in the Internet Routing Table: 1539
APNIC Region origin ASes announcing only one prefix: 503
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: 89830496
Equivalent to 5 /8s, 90 /16s and 180 /24s
Percentage of available APNIC address space announced: 66.4
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: 79533
Total ARIN prefixes after maximum aggregation: 50249
Prefixes being announced from the ARIN address blocks: 54746
Unique aggregates announced from the ARIN address blocks: 16680
ARIN Region origin ASes present in the Internet Routing Table: 7803
ARIN Region origin ASes announcing only one prefix: 2489
ARIN Region transit ASes present in the Internet Routing Table: 768
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 193435988
Equivalent to 11 /8s, 135 /16s and 153 /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: 19136
Total RIPE prefixes after maximum aggregation: 14491
Prefixes being announced from the RIPE address blocks: 15840
Unique aggregates announced from the RIPE address blocks: 10581
RIPE Region origin ASes present in the Internet Routing Table: 3839
RIPE Region origin ASes announcing only one prefix: 2054
RIPE Region transit ASes present in the Internet Routing Table: 706
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 110240032
Equivalent to 6 /8s, 146 /16s and 33 /24s
Percentage of available RIPE address space announced: 73.0
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 1260 1222 907 Telstra Pty Ltd
4538 461 1130 16 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 287 113 76 Videsh Sanchar Nigam Ltd. Aut
9443 250 45 65 Primus Telecommunications
4766 225 1516 156 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.,
7539 156 204 151 TANet2, sponsored by NSC, TAI
17676 147 2274 22 XTAGE CORPORATION
9768 146 386 75 Korea Telecom
7657 140 22 88 The Internet Group Limited
9800 115 187 23 CHINA UNICOM
4780 112 186 39 Digital United Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1020 2617 844 UUNET Technologies, Inc.
3301 397 908 348 TeliaNet Sweden
3352 281 537 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
786 179 1873 178 The JANET IP Service
8708 139 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 113 57 66 Teleglobe Autonomous System i
3246 106 284 101 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 3452 387 2789 Performance Systems, Inc.
701 2008 9005 1405 UUNET Technologies, Inc.
7018 1287 7437 935 AT&T
3908 906 1642 494 Supernet, Inc.
1239 807 3406 644 Sprint
705 797 173 271 UUNET Technologies, Inc.
852 780 1191 447 Telus Advanced Communications
1 700 8148 449 GENUITY
4323 629 436 257 Time Warner Communications, I
7843 615 375 59 Adelphia Corp.
209 603 1972 338 Qwest
7046 601 851 397 UUNET Technologies, Inc.
690 588 81 376 Merit Network
7132 574 611 133 Southwestern Bell Internet Se
3549 476 777 316 Global Crossing
7066 474 202 248 Virginia Polytechnic Institut
2914 395 2108 386 Verio, Inc.
15290 384 299 198 AT&T Canada IES
6197 346 246 170 BellSouth Network Solutions,
6347 337 370 78 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
701 2008 603 UUNET Technologies, Inc.
7843 615 556 Adelphia Corp.
705 797 526 UUNET Technologies, Inc.
4538 461 445 China Education and Research
7132 574 441 Southwestern Bell Internet Se
3908 906 412 Supernet, Inc.
4323 629 372 Time Warner Communications, I
1221 1260 353 Telstra Pty Ltd
7018 1287 352 AT&T
852 780 333 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
174 313 284 PSINet Inc.
4151 285 269 USDA
209 603 265 Qwest
6347 337 259 SAVVIS Communications Corpora
3352 281 254 Ibernet, Internet Access Netw
1 700 251 GENUITY
7029 263 248 Alltel Information Services,
4355 297 245 EarthLink, Inc.
7066 474 226 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
154.150.0.0/16 6494 IDCI
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 /15:414 /16:7242 /17:1452 /18:2613
/19:7660 /20:7249 /21:5094 /22:7848 /23:9550 /24:66908
/25:199 /26:180 /27:81 /28:86 /29:51 /30:90
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2149 2835 3452 Performance Systems, Inc.
702 627 1020 UUNET Technologies, Inc.
705 591 797 UUNET Technologies, Inc.
701 566 2008 UUNET Technologies, Inc.
3908 494 906 Supernet, Inc.
690 466 588 Merit Network
7843 397 615 Adelphia Corp.
7066 379 474 Virginia Polytechnic Institut
7018 340 1287 AT&T
209 272 603 Qwest
174 267 313 PSINet Inc.
6197 249 346 BellSouth Network Solutions,
7029 248 263 Alltel Information Services,
7046 248 601 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 12:504 13:10 15:2 17:6
20:2 24:805 25:1 32:41 38:2975 40:6
44:1 57:13 61:266 62:201 63:1940 64:1233
65:1652 66:959 67:84 68:176 80:239 81:27
128:60 129:140 130:24 131:48 132:11 133:3
134:119 135:8 136:247 137:90 138:150 139:54
140:168 141:121 142:83 143:37 144:151 145:15
146:174 147:139 148:210 149:94 150:40 151:127
152:264 153:33 154:20 155:99 156:77 157:126
158:69 159:127 160:18 161:68 162:154 163:100
164:255 165:130 166:227 167:172 168:127 169:59
170:346 171:2 192:5478 193:2371 194:2073 195:944
196:399 198:3689 199:3238 200:2573 202:3244 203:4633
204:3424 205:2187 206:2759 207:2679 208:2675 209:2686
210:590 211:224 212:899 213:638 214:9 215:19
216:3008 217:456 218:39 219:41
End of report
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