[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[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 Tue 21 May, 2002
Analysis Summary
----------------
BGP routing table entries examined: 112070
Prefixes after maximum aggregation: 73061
Unique aggregates announced to Internet: 53297
Total ASes present in the Internet Routing Table: 13097
Origin-only ASes present in the Internet Routing Table: 11350
Origin ASes announcing only one prefix: 4986
Transit ASes present in the Internet Routing Table: 1747
Transit-only ASes present in the Internet Routing Table: 54
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 1
Prefixes being announced from the IANA Reserved Address blocks: 40
Number of addresses announced to Internet: 1174841564
Equivalent to 70 /8s, 6 /16s and 168 /24s
Percentage of available address space announced: 31.7
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 45119
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18058
Total APNIC prefixes after maximum aggregation: 10911
Prefixes being announced from the APNIC address blocks: 16560
Unique aggregates announced from the APNIC address blocks: 10293
APNIC Region origin ASes present in the Internet Routing Table: 1511
APNIC Region origin ASes announcing only one prefix: 502
APNIC Region transit ASes present in the Internet Routing Table: 271
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 84692704
Equivalent to 5 /8s, 12 /16s and 78 /24s
Percentage of available APNIC address space announced: 62.6
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: 75164
Total ARIN prefixes after maximum aggregation: 47784
Prefixes being announced from the ARIN address blocks: 53430
Unique aggregates announced from the ARIN address blocks: 16822
ARIN Region origin ASes present in the Internet Routing Table: 7733
ARIN Region origin ASes announcing only one prefix: 2445
ARIN Region transit ASes present in the Internet Routing Table: 754
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 192549572
Equivalent to 11 /8s, 122 /16s and 18 /24s
Percentage of available ARIN address space announced: 71.7
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: 18847
Total RIPE prefixes after maximum aggregation: 14366
Prefixes being announced from the RIPE address blocks: 15510
Unique aggregates announced from the RIPE address blocks: 10394
RIPE Region origin ASes present in the Internet Routing Table: 3800
RIPE Region origin ASes announcing only one prefix: 2039
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: 17
Number of RIPE addresses announced to Internet: 109564464
Equivalent to 6 /8s, 135 /16s and 210 /24s
Percentage of available RIPE address space announced: 72.6
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 1273 1223 914 Telstra Pty Ltd
4538 474 1194 17 China Education and Research
2907 430 1877 370 SINET Japan
703 402 336 323 UUNET Technologies, Inc.
2764 397 360 364 connect.com.au pty ltd
7474 308 291 206 Optus Communications Pty Ltd
17557 282 19 112 Pakistan Telecom
4134 281 2060 95 Data Communications Bureau
9443 272 44 63 Primus Telecommunications
4755 249 109 75 Videsh Sanchar Nigam Ltd. Aut
4766 224 1518 156 Korea Internet Exchange for "
9583 180 32 5 Satyam Infoway Ltd.,
7539 152 218 146 TANet2, sponsored by NSC, TAI
9768 146 386 80 Korea Telecom
7657 131 22 87 The Internet Group Limited
4814 129 66 15 China Telecom (Group) - Beiji
17676 125 1954 10 XTAGE CORPORATION
4780 118 186 39 Digital United Inc.
4713 114 993 105 NTT Communications Corporatio
9800 114 186 22 CHINA UNICOM
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1023 2608 847 UUNET Technologies, Inc.
3301 394 908 346 TeliaNet Sweden
5515 275 776 181 Sonera Finland Autonomous Sys
3215 265 597 164 France Telecom / &Equant
3320 233 1947 180 Deutsche Telekom AG
680 231 2149 230 DFN-IP service G-WiN
1257 208 430 205 SWIPnet Swedish IP Network
5400 200 83 95 Concert European Core Network
786 182 1874 182 The JANET IP Service
719 178 290 124 LANLINK autonomous system
8708 147 23 140 Romania Data Systems S.A.
12302 132 9 45 MobiFon S.A.
2856 125 785 115 BTnet UK Regional network
3303 117 546 115 Swisscom Ltd
3269 115 694 71 TELECOM ITALIA
8297 115 57 64 Teleglobe Autonomous System i
5511 111 191 92 France Telecom
517 101 226 97 KPNQwest Germany GmbH
2830 100 252 76 UUNET Dual-Homed customers
2874 97 84 37 Global One Services AB
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 2098 8380 1457 UUNET Technologies, Inc.
7018 1287 7574 936 AT&T
3908 891 1644 487 Supernet, Inc.
1239 823 3409 665 Sprint
1 809 8169 455 BBN Planet
852 744 1176 449 Telus Advanced Communications
7046 688 871 472 UUNET Technologies, Inc.
4323 631 436 257 Time Warner Communications, I
209 580 1967 322 Qwest
690 568 82 367 Merit Network
7132 567 606 135 Southwestern Bell Internet Se
3549 519 854 324 Global Crossing
7843 500 365 52 Adelphia Corp.
7066 475 202 248 Virginia Polytechnic Institut
2914 399 2110 390 Verio, Inc.
705 369 99 261 UUNET Technologies, Inc.
3741 345 731 236 The Internet Solution
2149 341 191 283 Performance Systems, Inc.
6197 341 260 164 BellSouth Network Solutions,
6347 337 370 79 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 474 457 China Education and Research
7843 500 448 Adelphia Corp.
7132 567 432 Southwestern Bell Internet Se
3908 891 404 Supernet, Inc.
4323 631 374 Time Warner Communications, I
1221 1273 359 Telstra Pty Ltd
1 809 354 BBN Planet
7018 1287 351 AT&T
852 744 295 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
4151 300 284 USDA
209 580 258 Qwest
6347 337 258 SAVVIS Communications Corpora
7029 261 246 Alltel Information Services,
4355 277 239 EarthLink, Inc.
7066 475 227 Virginia Polytechnic Institut
7046 688 216 UUNET Technologies, Inc.
6198 313 209 BellSouth Network Solutions,
9443 272 209 Primus Telecommunications
18566 211 207 Covad Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
55555 RESERVED 136.162.254.0/24 7046 UUNET Technologies,
25780 UNALLOCATED 198.153.131.0/24 1 BBN Planet
25780 UNALLOCATED 198.153.231.0/24 1 BBN Planet
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.0.2.0/24 1103 SURFnet BV
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 BBN Planet
153.147.0.0/16 3561 Cable & Wireless USA
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
192.31.126.0/23 1103 SURFnet BV
192.31.128.0/21 1103 SURFnet BV
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.
192.83.14.0/24 5515 Sonera Finland Autonomous Sys
192.83.16.0/20 5515 Sonera Finland Autonomous Sys
192.83.25.0/24 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 /8:19 /9:6 /10:7 /11:13 /12:32
/13:85 /14:232 /15:409 /16:7204 /17:1436 /18:2572
/19:7527 /20:7115 /21:5062 /22:7754 /23:9380 /24:62481
/25:209 /26:184 /27:77 /28:89 /29:45 /30:83
/31:0 /32:49
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 668 2098 UUNET Technologies, Inc.
702 630 1023 UUNET Technologies, Inc.
3908 480 891 Supernet, Inc.
690 459 568 Merit Network
7066 380 475 Virginia Polytechnic Institut
7018 334 1287 AT&T
7046 320 688 UUNET Technologies, Inc.
7843 290 500 Adelphia Corp.
209 266 580 Qwest
1 251 809 BBN Planet
7029 246 261 Alltel Information Services,
6197 245 341 BellSouth Network Solutions,
11371 245 292 Rhythms NetConnections
3301 237 394 TeliaNet Sweden
6198 231 313 BellSouth Network Solutions,
3549 216 519 Global Crossing
6517 216 238 Yipes Communications, Inc.
1239 215 823 Sprint
18566 207 211 Covad Communications
1580 202 214 HQ, 5th Signal Command
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:509 13:10 15:2 17:7
20:2 24:770 25:1 32:40 38:8 40:6
44:1 57:13 61:220 62:202 63:1968 64:1196
65:1407 66:922 67:78 68:12 80:236 81:26
128:59 129:133 130:23 131:47 132:13 133:4
134:119 135:9 136:255 137:93 138:150 139:56
140:173 141:120 142:78 143:38 144:148 145:11
146:178 147:135 148:169 149:94 150:41 151:60
152:269 153:33 154:10 155:102 156:75 157:129
158:69 159:126 160:18 161:64 162:147 163:101
164:273 165:140 166:229 167:170 168:122 169:56
170:354 171:2 192:5485 193:2335 194:2096 195:804
196:410 198:3696 199:3234 200:2515 202:3164 203:4556
204:3253 205:2163 206:2579 207:2665 208:2638 209:2724
210:591 211:225 212:879 213:614 214:9 215:18
216:3016 217:458 218:19
End of report
* To unsubscribe, send "unsubscribe" to bgp-stats-request@lists.apnic.net *
