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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 Thu 13 Jun, 2002
Analysis Summary
----------------
BGP routing table entries examined: 113709
Prefixes after maximum aggregation: 73339
Unique aggregates announced to Internet: 52002
Total ASes present in the Internet Routing Table: 13211
Origin-only ASes present in the Internet Routing Table: 11459
Origin ASes announcing only one prefix: 5027
Transit ASes present in the Internet Routing Table: 1752
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: 18
Illegal AS announcements present in the Routing Table: 21
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: 1200994380
Equivalent to 71 /8s, 149 /16s and 184 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 53.7
Total number of prefixes smaller than registry allocations: 46246
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18462
Total APNIC prefixes after maximum aggregation: 11041
Prefixes being announced from the APNIC address blocks: 16924
Unique aggregates announced from the APNIC address blocks: 9838
APNIC Region origin ASes present in the Internet Routing Table: 1534
APNIC Region origin ASes announcing only one prefix: 496
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: 12
Number of APNIC addresses announced to Internet: 89481568
Equivalent to 5 /8s, 85 /16s and 97 /24s
Percentage of available APNIC address space announced: 66.2
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: 76021
Total ARIN prefixes after maximum aggregation: 47767
Prefixes being announced from the ARIN address blocks: 54227
Unique aggregates announced from the ARIN address blocks: 16699
ARIN Region origin ASes present in the Internet Routing Table: 7792
ARIN Region origin ASes announcing only one prefix: 2480
ARIN Region transit ASes present in the Internet Routing Table: 767
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 193377476
Equivalent to 11 /8s, 134 /16s and 180 /24s
Percentage of available ARIN address space announced: 72.0
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: 19226
Total RIPE prefixes after maximum aggregation: 14531
Prefixes being announced from the RIPE address blocks: 15895
Unique aggregates announced from the RIPE address blocks: 9908
RIPE Region origin ASes present in the Internet Routing Table: 3834
RIPE Region origin ASes announcing only one prefix: 2051
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: 15
Number of RIPE addresses announced to Internet: 115364640
Equivalent to 6 /8s, 224 /16s and 83 /24s
Percentage of available RIPE address space announced: 76.4
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 1261 1222 904 Telstra Pty Ltd
4538 493 1066 15 China Education and Research
703 410 350 328 UUNET Technologies, Inc.
2907 385 1876 358 SINET Japan
2764 377 359 344 connect.com.au pty ltd
7474 311 292 208 Optus Communications Pty Ltd
17557 296 20 115 Pakistan Telecom
4134 284 2132 101 Data Communications Bureau
4755 270 115 77 Videsh Sanchar Nigam Ltd. Aut
9443 270 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 168 32 5 Satyam Infoway Ltd.,
7539 151 186 146 TANet2, sponsored by NSC, TAI
9768 146 386 75 Korea Telecom
17676 146 2258 23 XTAGE CORPORATION
7657 136 22 86 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 1023 2619 846 UUNET Technologies, Inc.
3301 396 908 347 TeliaNet Sweden
3352 277 537 27 Ibernet, Internet Access Netw
3215 263 598 163 France Telecom / &Equant
680 233 2149 230 DFN-IP service G-WiN
3320 231 1947 184 Deutsche Telekom AG
5515 219 783 175 Sonera Finland Autonomous Sys
1257 203 430 200 SWIPnet Swedish IP Network
5400 203 83 94 Concert European Core Network
719 191 306 129 LANLINK autonomous system
786 179 1873 178 The JANET IP Service
8708 140 23 137 Romania Data Systems S.A.
2856 125 789 115 BTnet UK Regional network
12302 124 10 31 MobiFon S.A.
3303 120 546 119 Swisscom Ltd
8297 115 4137 63 Teleglobe Autonomous System i
3269 113 692 70 TELECOM ITALIA
3246 107 284 101 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
701 2002 9069 1407 UUNET Technologies, Inc.
7018 1288 7532 934 AT&T
3908 908 1643 498 Supernet, Inc.
1239 811 3408 648 Sprint
705 799 175 273 UUNET Technologies, Inc.
852 798 1191 447 Telus Advanced Communications
1 701 8148 448 GENUITY
4323 629 436 257 Time Warner Communications, I
7046 610 851 405 UUNET Technologies, Inc.
209 605 1972 338 Qwest
690 587 81 375 Merit Network
7132 573 611 133 Southwestern Bell Internet Se
7843 522 369 75 Adelphia Corp.
3549 488 857 323 Global Crossing
7066 475 202 248 Virginia Polytechnic Institut
2914 398 2108 389 Verio, Inc.
15290 386 299 200 AT&T Canada IES
6197 345 246 169 BellSouth Network Solutions,
2149 340 190 281 Performance Systems, Inc.
6347 338 370 78 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
705 799 526 UUNET Technologies, Inc.
4538 493 478 China Education and Research
7843 522 447 Adelphia Corp.
7132 573 440 Southwestern Bell Internet Se
3908 908 410 Supernet, Inc.
4323 629 372 Time Warner Communications, I
1221 1261 357 Telstra Pty Ltd
7018 1288 354 AT&T
852 798 351 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
4151 286 270 USDA
209 605 267 Qwest
6347 338 260 SAVVIS Communications Corpora
1 701 253 GENUITY
3352 277 250 Ibernet, Internet Access Netw
7029 263 248 Alltel Information Services,
4355 293 243 EarthLink, Inc.
7066 475 227 Virginia Polytechnic Institut
18566 223 219 Covad Communications
4454 239 216 OIR Telecommunications, State
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25975 UNALLOCATED 192.58.243.0/24 4565 Epoch Networks
25975 UNALLOCATED 192.104.242.0/24 4565 Epoch Networks
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
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,
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 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.
192.83.14.0/24 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 /8:22 /9:6 /10:7 /11:12 /12:34
/13:85 /14:232 /15:415 /16:7229 /17:1449 /18:2612
/19:7624 /20:7255 /21:5108 /22:7835 /23:9526 /24:63534
/25:195 /26:185 /27:83 /28:86 /29:48 /30:89
/31:1 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 630 1023 UUNET Technologies, Inc.
705 593 799 UUNET Technologies, Inc.
701 567 2002 UUNET Technologies, Inc.
3908 494 908 Supernet, Inc.
690 465 587 Merit Network
7066 380 475 Virginia Polytechnic Institut
7018 338 1288 AT&T
7843 314 522 Adelphia Corp.
209 274 605 Qwest
7046 257 610 UUNET Technologies, Inc.
6197 248 345 BellSouth Network Solutions,
7029 248 263 Alltel Information Services,
11371 245 292 Rhythms NetConnections
3301 237 396 TeliaNet Sweden
6198 232 319 BellSouth Network Solutions,
18566 219 223 Covad Communications
6517 218 240 Yipes Communications, Inc.
1239 209 811 Sprint
1580 205 235 HQ, 5th Signal Command
3352 200 277 Ibernet, Internet Access Netw
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:504 13:10 15:2 17:6
20:2 24:779 25:1 32:41 38:8 40:6
44:1 57:13 61:266 62:202 63:1944 64:1238
65:1644 66:952 67:85 68:169 80:241 81:27
128:61 129:139 130:24 131:48 132:11 133:3
134:119 135:8 136:245 137:92 138:150 139:57
140:173 141:121 142:83 143:37 144:152 145:13
146:174 147:139 148:206 149:92 150:40 151:127
152:271 153:34 154:14 155:96 156:77 157:126
158:69 159:127 160:18 161:67 162:154 163:99
164:269 165:129 166:229 167:172 168:130 169:59
170:354 171:2 192:5500 193:2380 194:2076 195:962
196:394 198:3704 199:3232 200:2547 202:3192 203:4612
204:3254 205:2180 206:2569 207:2681 208:2649 209:2696
210:586 211:225 212:917 213:640 214:9 215:19
216:3018 217:456 218:40 219:41
End of report
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