[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 Fri 31 May, 2002
Analysis Summary
----------------
BGP routing table entries examined: 113184
Prefixes after maximum aggregation: 73275
Unique aggregates announced to Internet: 52936
Total ASes present in the Internet Routing Table: 13161
Origin-only ASes present in the Internet Routing Table: 11414
Origin ASes announcing only one prefix: 5016
Transit ASes present in the Internet Routing Table: 1747
Transit-only ASes present in the Internet Routing Table: 55
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 1
Prefixes being announced from the IANA Reserved Address blocks: 38
Number of addresses announced to Internet: 1178424396
Equivalent to 70 /8s, 61 /16s and 84 /24s
Percentage of available address space announced: 31.8
Percentage of allocated address space announced: 59.2
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 45873
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18170
Total APNIC prefixes after maximum aggregation: 10986
Prefixes being announced from the APNIC address blocks: 16648
Unique aggregates announced from the APNIC address blocks: 9818
APNIC Region origin ASes present in the Internet Routing Table: 1518
APNIC Region origin ASes announcing only one prefix: 498
APNIC Region transit ASes present in the Internet Routing Table: 268
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 89241952
Equivalent to 5 /8s, 81 /16s and 185 /24s
Percentage of available APNIC address space announced: 66.0
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: 75693
Total ARIN prefixes after maximum aggregation: 47778
Prefixes being announced from the ARIN address blocks: 53883
Unique aggregates announced from the ARIN address blocks: 16731
ARIN Region origin ASes present in the Internet Routing Table: 7769
ARIN Region origin ASes announcing only one prefix: 2473
ARIN Region transit ASes present in the Internet Routing Table: 758
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 192861892
Equivalent to 11 /8s, 126 /16s and 214 /24s
Percentage of available ARIN address space announced: 71.8
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
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: 19321
Total RIPE prefixes after maximum aggregation: 14511
Prefixes being announced from the RIPE address blocks: 15962
Unique aggregates announced from the RIPE address blocks: 10540
RIPE Region origin ASes present in the Internet Routing Table: 3819
RIPE Region origin ASes announcing only one prefix: 2045
RIPE Region transit ASes present in the Internet Routing Table: 704
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 110074656
Equivalent to 6 /8s, 143 /16s and 155 /24s
Percentage of available RIPE address space announced: 72.9
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 1269 1223 910 Telstra Pty Ltd
4538 481 1194 17 China Education and Research
2907 426 1861 367 SINET Japan
703 406 339 326 UUNET Technologies, Inc.
2764 396 360 361 connect.com.au pty ltd
7474 308 292 204 Optus Communications Pty Ltd
17557 288 19 115 Pakistan Telecom
4134 277 2084 94 Data Communications Bureau
9443 266 44 63 Primus Telecommunications
4755 247 109 79 Videsh Sanchar Nigam Ltd. Aut
4766 227 1517 158 Korea Internet Exchange for "
9583 179 32 5 Satyam Infoway Ltd.,
4814 175 70 18 China Telecom (Group) - Beiji
7539 154 219 148 TANet2, sponsored by NSC, TAI
9768 146 386 76 Korea Telecom
17676 139 2146 17 XTAGE CORPORATION
7657 133 22 85 The Internet Group Limited
4780 116 186 39 Digital United Inc.
9800 116 186 22 CHINA UNICOM
4713 115 1009 106 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1015 2602 843 UUNET Technologies, Inc.
3301 398 908 349 TeliaNet Sweden
3352 278 521 27 Ibernet, Internet Access Netw
3215 265 599 165 France Telecom / &Equant
5515 263 783 175 Sonera Finland Autonomous Sys
3320 236 1947 181 Deutsche Telekom AG
680 231 2149 230 DFN-IP service G-WiN
5400 214 84 99 Concert European Core Network
1257 207 430 204 SWIPnet Swedish IP Network
719 187 290 126 LANLINK autonomous system
786 182 1874 182 The JANET IP Service
8708 148 23 140 Romania Data Systems S.A.
12302 133 10 46 MobiFon S.A.
2856 126 789 116 BTnet UK Regional network
3303 117 546 116 Swisscom Ltd
8297 116 57 65 Teleglobe Autonomous System i
3269 113 692 70 TELECOM ITALIA
3246 107 300 101 Song Networks / Clinet
3233 106 7 52 RNC - Romanian Natioanal R&D
5511 105 191 87 France Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1999 8898 1433 UUNET Technologies, Inc.
7018 1297 7551 938 AT&T
3908 905 1641 493 Supernet, Inc.
1239 823 3438 656 Sprint
1 816 8168 453 BBN Planet
852 796 1175 446 Telus Advanced Communications
7046 660 935 441 UUNET Technologies, Inc.
4323 634 436 257 Time Warner Communications, I
690 583 79 380 Merit Network
209 575 1969 322 Qwest
7132 569 606 137 Southwestern Bell Internet Se
705 543 119 266 UUNET Technologies, Inc.
3549 515 854 320 Global Crossing
7843 500 357 70 Adelphia Corp.
7066 475 202 248 Virginia Polytechnic Institut
2914 396 2108 389 Verio, Inc.
15290 392 300 205 AT&T Canada IES
3741 345 731 236 The Internet Solution
2149 343 191 284 Performance Systems, Inc.
6197 340 245 164 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 481 464 China Education and Research
7132 569 432 Southwestern Bell Internet Se
7843 500 430 Adelphia Corp.
3908 905 412 Supernet, Inc.
4323 634 377 Time Warner Communications, I
1 816 363 BBN Planet
7018 1297 359 AT&T
1221 1269 359 Telstra Pty Ltd
852 796 350 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
705 543 277 UUNET Technologies, Inc.
4151 288 272 USDA
6347 337 258 SAVVIS Communications Corpora
209 575 253 Qwest
3352 278 251 Ibernet, Internet Access Netw
7029 262 247 Alltel Information Services,
4355 276 238 EarthLink, Inc.
7066 475 227 Virginia Polytechnic Institut
7046 660 219 UUNET Technologies, Inc.
18566 222 218 Covad Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
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.
192.83.14.0/24 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 /8:20 /9:6 /10:7 /11:12 /12:34
/13:85 /14:231 /15:411 /16:7219 /17:1437 /18:2589
/19:7579 /20:7172 /21:5103 /22:7781 /23:9499 /24:63254
/25:216 /26:185 /27:84 /28:90 /29:46 /30:94
/31:1 /32:29
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 621 1015 UUNET Technologies, Inc.
701 554 1999 UUNET Technologies, Inc.
3908 492 905 Supernet, Inc.
690 455 583 Merit Network
7066 380 475 Virginia Polytechnic Institut
705 352 543 UUNET Technologies, Inc.
7018 341 1297 AT&T
7843 300 500 Adelphia Corp.
7046 286 660 UUNET Technologies, Inc.
209 261 575 Qwest
1 257 816 BBN Planet
7029 247 262 Alltel Information Services,
6197 245 340 BellSouth Network Solutions,
11371 245 292 Rhythms NetConnections
3301 238 398 TeliaNet Sweden
6198 231 317 BellSouth Network Solutions,
6517 221 243 Yipes Communications, Inc.
18566 218 222 Covad Communications
3549 216 515 Global Crossing
1239 208 823 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:512 13:10 15:2 17:6
20:2 24:774 25:1 32:40 38:8 40:6
44:1 57:13 61:230 62:197 63:1935 64:1228
65:1497 66:960 67:80 68:18 80:232 81:22
128:60 129:138 130:23 131:47 132:13 133:3
134:118 135:8 136:246 137:90 138:150 139:57
140:175 141:119 142:77 143:38 144:152 145:11
146:180 147:138 148:196 149:92 150:40 151:97
152:270 153:33 154:14 155:105 156:75 157:131
158:69 159:128 160:18 161:64 162:141 163:99
164:273 165:140 166:234 167:174 168:119 169:58
170:349 171:2 192:5502 193:2404 194:2135 195:971
196:439 198:3710 199:3232 200:2562 202:3136 203:4589
204:3253 205:2155 206:2595 207:2719 208:2661 209:2754
210:603 211:224 212:930 213:626 214:9 215:18
216:3000 217:457 218:28
End of report
* To unsubscribe, send "unsubscribe" to bgp-stats-request@lists.apnic.net *
