[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 07 May, 2002
Analysis Summary
----------------
BGP routing table entries examined: 112066
Prefixes after maximum aggregation: 72991
Unique aggregates announced to Internet: 52624
Total ASes present in the Internet Routing Table: 13033
Origin-only ASes present in the Internet Routing Table: 11299
Origin ASes announcing only one prefix: 4954
Transit ASes present in the Internet Routing Table: 1734
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: 17
Illegal AS announcements present in the Routing Table: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 43
Number of addresses announced to Internet: 1194849604
Equivalent to 71 /8s, 55 /16s and 245 /24s
Percentage of available address space announced: 32.2
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 45143
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18174
Total APNIC prefixes after maximum aggregation: 10880
Prefixes being announced from the APNIC address blocks: 16683
Unique aggregates announced from the APNIC address blocks: 10301
APNIC Region origin ASes present in the Internet Routing Table: 1501
APNIC Region origin ASes announcing only one prefix: 488
APNIC Region transit ASes present in the Internet Routing Table: 270
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 84414784
Equivalent to 5 /8s, 8 /16s and 17 /24s
Percentage of available APNIC address space announced: 62.4
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: 75089
Total ARIN prefixes after maximum aggregation: 47765
Prefixes being announced from the ARIN address blocks: 53160
Unique aggregates announced from the ARIN address blocks: 16735
ARIN Region origin ASes present in the Internet Routing Table: 7695
ARIN Region origin ASes announcing only one prefix: 2423
ARIN Region transit ASes present in the Internet Routing Table: 757
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 191498180
Equivalent to 11 /8s, 106 /16s and 7 /24s
Percentage of available ARIN address space announced: 71.3
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: 18803
Total RIPE prefixes after maximum aggregation: 14346
Prefixes being announced from the RIPE address blocks: 15473
Unique aggregates announced from the RIPE address blocks: 9732
RIPE Region origin ASes present in the Internet Routing Table: 3786
RIPE Region origin ASes announcing only one prefix: 2043
RIPE Region transit ASes present in the Internet Routing Table: 694
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 114548016
Equivalent to 6 /8s, 211 /16s and 221 /24s
Percentage of available RIPE address space announced: 75.9
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 1278 1210 942 Telstra Pty Ltd
4538 477 1194 17 China Education and Research
2907 435 1894 371 SINET Japan
703 412 337 328 UUNET Technologies, Inc.
2764 396 360 363 connect.com.au pty ltd
7474 307 291 209 Optus Communications Pty Ltd
4134 280 2036 94 Data Communications Bureau
9443 275 44 63 Primus Telecommunications
17557 275 19 110 Pakistan Telecom
4755 261 109 73 Videsh Sanchar Nigam Ltd. Aut
4766 222 1518 158 Korea Internet Exchange for "
9583 170 32 5 Satyam Infoway Ltd.,
4804 167 92 66 Microplex PTY LTD
7539 160 235 154 TANet2, sponsored by NSC, TAI
9768 146 386 80 Korea Telecom
7657 126 22 89 The Internet Group Limited
4814 125 64 5 China Telecom (Group) - Beiji
17676 122 1952 9 XTAGE CORPORATION
4713 115 993 106 NTT Communications Corporatio
4780 113 186 39 Digital United Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1039 2616 850 UUNET Technologies, Inc.
3301 393 908 345 TeliaNet Sweden
5515 275 761 173 Sonera Finland Autonomous Sys
3215 264 597 164 France Telecom / &Equant
680 231 2149 230 DFN-IP service G-WiN
3320 230 1947 177 Deutsche Telekom AG
1257 209 462 206 SWIPnet Swedish IP Network
5400 198 82 93 Concert European Core Network
786 182 1874 182 The JANET IP Service
719 165 289 119 LANLINK autonomous system
8708 143 22 137 Romania Data Systems S.A.
12302 130 9 49 MobiFon S.A.
2856 126 786 116 BTnet UK Regional network
8297 123 4133 65 Teleglobe Autonomous System i
3269 116 694 71 TELECOM ITALIA
3303 116 546 115 Swisscom Ltd
5511 107 191 94 France Telecom
5536 107 9 39 Internet Egypt Network
517 102 226 98 KPNQwest Germany GmbH
2830 98 227 74 UUNET Dual-Homed customers
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 2058 8410 1465 UUNET Technologies, Inc.
7018 1284 7492 939 AT&T
3908 875 1658 485 Supernet, Inc.
1239 846 3391 667 Sprint
1 812 8187 455 BBN Planet
7046 786 875 560 UUNET Technologies, Inc.
852 667 1148 422 Telus Advanced Communications
4323 632 436 256 Time Warner Communications, I
209 580 1936 319 Qwest
7132 569 604 140 Southwestern Bell Internet Se
3549 518 856 321 Global Crossing
690 501 72 319 Merit Network
7066 471 202 248 Virginia Polytechnic Institut
7843 456 349 48 Adelphia Corp.
2914 417 2144 404 Verio, Inc.
705 375 100 267 UUNET Technologies, Inc.
2149 346 207 288 Performance Systems, Inc.
3741 344 731 236 The Internet Solution
6197 342 243 162 BellSouth Network Solutions,
6347 336 370 81 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 477 460 China Education and Research
7132 569 429 Southwestern Bell Internet Se
7843 456 408 Adelphia Corp.
3908 875 390 Supernet, Inc.
4323 632 376 Time Warner Communications, I
1 812 357 BBN Planet
7018 1284 345 AT&T
1221 1278 336 Telstra Pty Ltd
4151 304 288 USDA
11371 292 286 Rhythms NetConnections
209 580 261 Qwest
6347 336 255 SAVVIS Communications Corpora
7029 262 247 Alltel Information Services,
852 667 245 Telus Advanced Communications
7046 786 226 UUNET Technologies, Inc.
4355 260 224 EarthLink, Inc.
7066 471 223 Virginia Polytechnic Institut
9443 275 212 Primus Telecommunications
6517 245 211 Yipes Communications, Inc.
1580 214 201 HQ, 5th Signal Command
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25707 UNALLOCATED 63.167.148.0/24 7018 AT&T
112 UNALLOCATED 192.175.48.0/24 7500 A Root DNS Server in
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
23399 UNALLOCATED 208.18.224.0/24 1239 Sprint
23399 UNALLOCATED 208.18.236.0/24 1239 Sprint
23399 UNALLOCATED 208.18.237.0/24 1239 Sprint
23399 UNALLOCATED 208.18.238.0/24 1239 Sprint
23399 UNALLOCATED 208.18.239.0/24 1239 Sprint
25733 UNALLOCATED 208.33.184.0/22 1239 Sprint
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.
192.83.1.0/24 5515 Sonera Finland Autonomous Sys
192.83.2.0/24 5515 Sonera Finland Autonomous Sys
192.83.8.0/21 5515 Sonera Finland Autonomous Sys
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 /8:21 /9:8 /10:7 /11:13 /12:32
/13:85 /14:231 /15:404 /16:7191 /17:1427 /18:2608
/19:7485 /20:7068 /21:5031 /22:7718 /23:9390 /24:62561
/25:223 /26:193 /27:82 /28:91 /29:53 /30:95
/31:0 /32:49
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 648 1039 UUNET Technologies, Inc.
701 619 2058 UUNET Technologies, Inc.
3908 453 875 Supernet, Inc.
690 440 501 Merit Network
7046 411 786 UUNET Technologies, Inc.
7066 379 471 Virginia Polytechnic Institut
7018 333 1284 AT&T
209 273 580 Qwest
7843 267 456 Adelphia Corp.
6197 247 342 BellSouth Network Solutions,
7029 247 262 Alltel Information Services,
11371 245 292 Rhythms NetConnections
1 244 812 BBN Planet
1239 237 846 Sprint
3301 236 393 TeliaNet Sweden
6198 228 309 BellSouth Network Solutions,
6517 223 245 Yipes Communications, Inc.
3549 218 518 Global Crossing
1580 202 214 HQ, 5th Signal Command
3215 199 264 France Telecom / &Equant
Number of /24s announced per /8 block (Global)
----------------------------------------------
3:1 4:3 9:1 12:496 13:10 15:2
17:7 20:2 24:761 25:1 32:67 38:8
40:6 44:1 57:13 61:198 62:197 63:2059
64:1212 65:1293 66:915 67:70 68:9 80:236
81:20 128:59 129:133 130:23 131:47 132:13
133:3 134:121 135:9 136:311 137:93 138:148
139:49 140:185 141:119 142:80 143:38 144:147
145:12 146:224 147:135 148:163 149:85 150:41
151:60 152:312 153:33 154:9 155:99 156:76
157:128 158:69 159:130 160:24 161:64 162:151
163:103 164:271 165:127 166:225 167:170 168:124
169:54 170:304 171:2 192:5458 193:2342 194:2107
195:814 196:438 198:3746 199:3221 200:2482 202:3167
203:4549 204:3283 205:2163 206:2564 207:2653 208:2611
209:2707 210:663 211:241 212:868 213:602 214:9
215:18 216:3015 217:458 218:21
End of report
* To unsubscribe, send "unsubscribe" to bgp-stats-request@lists.apnic.net *
