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[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 Thu 16 May, 2002
Analysis Summary
----------------
BGP routing table entries examined: 112396
Prefixes after maximum aggregation: 73344
Unique aggregates announced to Internet: 53238
Total ASes present in the Internet Routing Table: 13071
Origin-only ASes present in the Internet Routing Table: 11334
Origin ASes announcing only one prefix: 4969
Transit ASes present in the Internet Routing Table: 1737
Transit-only ASes present in the Internet Routing Table: 50
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: 19
Non-routable prefixes present in the Routing Table: 1
Prefixes being announced from the IANA Reserved Address blocks: 44
Number of addresses announced to Internet: 1173845948
Equivalent to 69 /8s, 247 /16s and 119 /24s
Percentage of available address space announced: 31.7
Percentage of allocated address space announced: 59.0
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 45327
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18061
Total APNIC prefixes after maximum aggregation: 10966
Prefixes being announced from the APNIC address blocks: 16575
Unique aggregates announced from the APNIC address blocks: 10320
APNIC Region origin ASes present in the Internet Routing Table: 1502
APNIC Region origin ASes announcing only one prefix: 491
APNIC Region transit ASes present in the Internet Routing Table: 266
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 84530240
Equivalent to 5 /8s, 9 /16s and 212 /24s
Percentage of available APNIC address space announced: 62.5
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: 75452
Total ARIN prefixes after maximum aggregation: 48029
Prefixes being announced from the ARIN address blocks: 53690
Unique aggregates announced from the ARIN address blocks: 16758
ARIN Region origin ASes present in the Internet Routing Table: 7722
ARIN Region origin ASes announcing only one prefix: 2439
ARIN Region transit ASes present in the Internet Routing Table: 754
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 192269252
Equivalent to 11 /8s, 117 /16s and 203 /24s
Percentage of available ARIN address space announced: 71.6
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: 18874
Total RIPE prefixes after maximum aggregation: 14349
Prefixes being announced from the RIPE address blocks: 15579
Unique aggregates announced from the RIPE address blocks: 10381
RIPE Region origin ASes present in the Internet Routing Table: 3798
RIPE Region origin ASes announcing only one prefix: 2039
RIPE Region transit ASes present in the Internet Routing Table: 698
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 109475248
Equivalent to 6 /8s, 134 /16s and 117 /24s
Percentage of available RIPE address space announced: 72.5
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 1270 1209 936 Telstra Pty Ltd
4538 477 1194 17 China Education and Research
2907 438 1927 373 SINET Japan
703 407 337 326 UUNET Technologies, Inc.
2764 397 360 364 connect.com.au pty ltd
7474 308 291 206 Optus Communications Pty Ltd
17557 280 19 111 Pakistan Telecom
4134 275 2068 92 Data Communications Bureau
9443 272 44 63 Primus Telecommunications
4755 267 107 74 Videsh Sanchar Nigam Ltd. Aut
4766 220 1518 156 Korea Internet Exchange for "
9583 169 32 5 Satyam Infoway Ltd.,
7539 153 218 147 TANet2, sponsored by NSC, TAI
9768 146 386 80 Korea Telecom
7657 128 22 88 The Internet Group Limited
17676 125 1954 10 XTAGE CORPORATION
4780 117 186 39 Digital United Inc.
4713 115 993 106 NTT Communications Corporatio
4814 115 65 9 China Telecom (Group) - Beiji
9800 114 186 22 CHINA UNICOM
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1032 2599 851 UUNET Technologies, Inc.
3301 394 908 346 TeliaNet Sweden
5515 278 777 175 Sonera Finland Autonomous Sys
3215 265 597 164 France Telecom / &Equant
680 231 2149 230 DFN-IP service G-WiN
3320 230 1947 177 Deutsche Telekom AG
1257 207 446 204 SWIPnet Swedish IP Network
5400 200 83 95 Concert European Core Network
786 182 1874 182 The JANET IP Service
719 166 289 119 LANLINK autonomous system
8708 141 22 136 Romania Data Systems S.A.
12302 129 9 48 MobiFon S.A.
2856 126 786 116 BTnet UK Regional network
8297 125 54 69 Teleglobe Autonomous System i
3303 117 546 115 Swisscom Ltd
3269 115 694 71 TELECOM ITALIA
5511 110 191 92 France Telecom
517 101 226 97 KPNQwest Germany GmbH
2830 99 243 75 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 2087 8378 1460 UUNET Technologies, Inc.
7018 1293 7559 937 AT&T
3908 873 1643 487 Supernet, Inc.
1239 854 3412 676 Sprint
1 814 8185 459 BBN Planet
7046 699 873 483 UUNET Technologies, Inc.
852 664 1132 422 Telus Advanced Communications
4323 633 436 258 Time Warner Communications, I
209 573 1915 314 Qwest
7132 567 604 135 Southwestern Bell Internet Se
690 543 76 350 Merit Network
3549 516 854 321 Global Crossing
7066 473 202 248 Virginia Polytechnic Institut
7843 454 364 56 Adelphia Corp.
2914 406 2142 393 Verio, Inc.
705 372 99 264 UUNET Technologies, Inc.
3741 344 731 236 The Internet Solution
2149 343 191 285 Performance Systems, Inc.
4293 342 84 265 Cable & Wireless USA
6197 341 261 165 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 477 460 China Education and Research
7132 567 432 Southwestern Bell Internet Se
7843 454 398 Adelphia Corp.
3908 873 386 Supernet, Inc.
4323 633 375 Time Warner Communications, I
7018 1293 356 AT&T
1 814 355 BBN Planet
1221 1270 334 Telstra Pty Ltd
11371 292 286 Rhythms NetConnections
4151 300 284 USDA
209 573 259 Qwest
6347 337 258 SAVVIS Communications Corpora
7029 261 246 Alltel Information Services,
852 664 242 Telus Advanced Communications
4355 272 234 EarthLink, Inc.
7066 473 225 Virginia Polytechnic Institut
7046 699 216 UUNET Technologies, Inc.
6198 315 209 BellSouth Network Solutions,
9443 272 209 Primus Telecommunications
6517 240 206 Yipes Communications, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65125 PRIVATE 24.136.76.0/22 1668 GNN Hosting Service
65120 PRIVATE 24.145.156.0/23 1668 GNN Hosting Service
65175 PRIVATE 24.145.176.0/24 1668 GNN Hosting Service
65126 PRIVATE 24.199.24.0/22 1668 GNN Hosting Service
65058 PRIVATE 64.236.10.0/23 1668 GNN Hosting Service
65175 PRIVATE 65.29.96.0/19 1668 GNN Hosting Service
65058 PRIVATE 172.187.0.0/18 1668 GNN Hosting Service
65058 PRIVATE 172.187.0.0/17 1668 GNN Hosting Service
65058 PRIVATE 172.187.64.0/18 1668 GNN Hosting Service
18189 UNALLOCATED 202.59.196.0/24 703 UUNET Technologies,
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
25810 UNALLOCATED 209.242.165.32/27 195 San Diego Supercompu
25810 UNALLOCATED 209.242.165.128/25 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.0/26 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.72/29 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.80/28 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.96/29 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.112/28 195 San Diego Supercompu
25810 UNALLOCATED 209.242.166.128/29 195 San Diego Supercompu
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.
192.83.1.0/24 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
192.136.136.0/22 568 DISO-UNRRA
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 /15:407 /16:7194 /17:1441 /18:2576
/19:7511 /20:7106 /21:5064 /22:7733 /23:9386 /24:62749
/25:216 /26:182 /27:90 /28:96 /29:46 /30:128
/31:0 /32:77
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 654 2087 UUNET Technologies, Inc.
702 642 1032 UUNET Technologies, Inc.
3908 462 873 Supernet, Inc.
690 451 543 Merit Network
7066 378 473 Virginia Polytechnic Institut
7018 338 1293 AT&T
7046 330 699 UUNET Technologies, Inc.
209 268 573 Qwest
1 252 814 BBN Planet
7843 252 454 Adelphia Corp.
7029 246 261 Alltel Information Services,
6197 245 341 BellSouth Network Solutions,
11371 245 292 Rhythms NetConnections
1239 241 854 Sprint
3301 237 394 TeliaNet Sweden
6198 231 315 BellSouth Network Solutions,
4293 220 342 Cable & Wireless USA
6517 218 240 Yipes Communications, Inc.
3549 216 516 Global Crossing
1580 202 214 HQ, 5th Signal Command
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:504 13:10 15:2 17:7
20:2 24:751 25:1 32:40 38:8 40:6
44:1 57:13 61:201 62:202 63:1972 64:1214
65:1365 66:929 67:70 68:11 80:233 81:26
128:59 129:137 130:23 131:47 132:12 133:3
134:119 135:9 136:255 137:93 138:150 139:55
140:181 141:120 142:81 143:38 144:147 145:11
146:178 147:132 148:168 149:93 150:41 151:60
152:288 153:33 154:3 155:100 156:74 157:127
158:69 159:126 160:18 161:64 162:147 163:101
164:271 165:123 166:229 167:170 168:124 169:56
170:303 171:2 192:5465 193:2331 194:2119 195:821
196:408 198:3741 199:3211 200:2513 202:3158 203:4589
204:3262 205:2184 206:2644 207:2684 208:2833 209:2702
210:610 211:223 212:875 213:622 214:9 215:18
216:3032 217:463 218:20
End of report
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