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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 Fri 14 Jun, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116751
Prefixes after maximum aggregation: 75665
Unique aggregates announced to Internet: 52040
Total ASes present in the Internet Routing Table: 13221
Origin-only ASes present in the Internet Routing Table: 11464
Origin ASes announcing only one prefix: 5040
Transit ASes present in the Internet Routing Table: 1757
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: 16
Illegal AS announcements present in the Routing Table: 24
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1201132508
Equivalent to 71 /8s, 151 /16s and 211 /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: 49285
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18502
Total APNIC prefixes after maximum aggregation: 11080
Prefixes being announced from the APNIC address blocks: 16952
Unique aggregates announced from the APNIC address blocks: 9893
APNIC Region origin ASes present in the Internet Routing Table: 1537
APNIC Region origin ASes announcing only one prefix: 499
APNIC Region transit ASes present in the Internet Routing Table: 272
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 89475936
Equivalent to 5 /8s, 85 /16s and 75 /24s
Percentage of available APNIC address space announced: 66.1
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: 79098
Total ARIN prefixes after maximum aggregation: 50091
Prefixes being announced from the ARIN address blocks: 54229
Unique aggregates announced from the ARIN address blocks: 16688
ARIN Region origin ASes present in the Internet Routing Table: 7800
ARIN Region origin ASes announcing only one prefix: 2490
ARIN Region transit ASes present in the Internet Routing Table: 765
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 193357652
Equivalent to 11 /8s, 134 /16s and 103 /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: 19151
Total RIPE prefixes after maximum aggregation: 14494
Prefixes being announced from the RIPE address blocks: 15847
Unique aggregates announced from the RIPE address blocks: 9910
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: 705
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 115400736
Equivalent to 6 /8s, 224 /16s and 224 /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 1265 1222 908 Telstra Pty Ltd
4538 472 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 312 292 208 Optus Communications Pty Ltd
17557 308 21 117 Pakistan Telecom
4134 290 2132 102 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 172 32 5 Satyam Infoway Ltd.,
7539 152 202 147 TANet2, sponsored by NSC, TAI
9768 146 386 75 Korea Telecom
17676 146 2258 23 XTAGE CORPORATION
7657 137 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 1021 2618 845 UUNET Technologies, Inc.
3301 397 908 348 TeliaNet Sweden
3352 277 537 27 Ibernet, Internet Access Netw
3215 264 598 163 France Telecom / &Equant
680 233 2149 230 DFN-IP service G-WiN
3320 231 1947 184 Deutsche Telekom AG
5515 206 783 172 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 133 23 130 Romania Data Systems S.A.
2856 125 789 115 BTnet UK Regional network
12302 123 10 30 MobiFon S.A.
3303 121 546 120 Swisscom Ltd
3269 113 692 70 TELECOM ITALIA
8297 113 4137 63 Teleglobe Autonomous System i
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
2149 3193 370 2602 Performance Systems, Inc.
701 2004 9069 1408 UUNET Technologies, Inc.
7018 1290 7516 934 AT&T
3908 906 1642 495 Supernet, Inc.
1239 808 3406 647 Sprint
705 800 175 274 UUNET Technologies, Inc.
852 799 1191 447 Telus Advanced Communications
1 699 8148 449 GENUITY
4323 629 436 257 Time Warner Communications, I
209 605 1972 338 Qwest
7046 605 852 401 UUNET Technologies, Inc.
690 587 81 375 Merit Network
7132 573 611 133 Southwestern Bell Internet Se
7843 523 369 75 Adelphia Corp.
3549 485 857 324 Global Crossing
7066 475 202 248 Virginia Polytechnic Institut
2914 395 2108 386 Verio, Inc.
15290 386 299 200 AT&T Canada IES
6197 345 246 169 BellSouth Network Solutions,
6347 337 370 78 SAVVIS Communications Corpora
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
701 2004 596 UUNET Technologies, Inc.
705 800 526 UUNET Technologies, Inc.
4538 472 457 China Education and Research
7843 523 448 Adelphia Corp.
7132 573 440 Southwestern Bell Internet Se
3908 906 411 Supernet, Inc.
4323 629 372 Time Warner Communications, I
1221 1265 357 Telstra Pty Ltd
7018 1290 356 AT&T
852 799 352 Telus Advanced Communications
11371 292 286 Rhythms NetConnections
4151 286 270 USDA
209 605 267 Qwest
6347 337 259 SAVVIS Communications Corpora
1 699 250 GENUITY
3352 277 250 Ibernet, Internet Access Netw
7029 263 248 Alltel Information Services,
174 272 244 PSINet Inc.
4355 296 243 EarthLink, Inc.
7066 475 227 Virginia Polytechnic Institut
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
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
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
18228 UNALLOCATED 202.6.160.0/20 3758 SingNet
17902 UNALLOCATED 203.109.150.0/24 4648 Netgate
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,
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.
192.83.16.0/20 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
/13:89 /14:233 /15:415 /16:7245 /17:1450 /18:2608
/19:7619 /20:7235 /21:5098 /22:7835 /23:9526 /24:66589
/25:199 /26:181 /27:82 /28:86 /29:50 /30:90
/31:1 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2149 2942 3193 Performance Systems, Inc.
702 629 1021 UUNET Technologies, Inc.
705 593 800 UUNET Technologies, Inc.
701 567 2004 UUNET Technologies, Inc.
3908 494 906 Supernet, Inc.
690 465 587 Merit Network
7066 380 475 Virginia Polytechnic Institut
7018 341 1290 AT&T
7843 315 523 Adelphia Corp.
209 274 605 Qwest
7046 251 605 UUNET Technologies, Inc.
6197 248 345 BellSouth Network Solutions,
7029 248 263 Alltel Information Services,
11371 245 292 Rhythms NetConnections
3301 238 397 TeliaNet Sweden
174 235 272 PSINet Inc.
6198 232 319 BellSouth Network Solutions,
18566 219 223 Covad Communications
6517 218 240 Yipes Communications, Inc.
1239 209 808 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 9:1 12:506 13:10 15:2 17:6
20:2 24:779 25:1 32:41 38:3046 40:6
44:1 57:13 61:266 62:200 63:1938 64:1235
65:1644 66:959 67:85 68:170 80:235 81:26
128:60 129:140 130:24 131:48 132:11 133:3
134:119 135:8 136:246 137:93 138:150 139:58
140:168 141:121 142:83 143:37 144:152 145:14
146:174 147:139 148:207 149:92 150:40 151:127
152:262 153:34 154:15 155:99 156:77 157:127
158:69 159:127 160:18 161:67 162:154 163:101
164:275 165:130 166:227 167:172 168:130 169:59
170:345 171:2 192:5478 193:2362 194:2064 195:953
196:397 198:3698 199:3231 200:2553 202:3237 203:4623
204:3271 205:2180 206:2572 207:2678 208:2673 209:2696
210:587 211:225 212:917 213:645 214:9 215:19
216:3005 217:456 218:40 219:41
End of report
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