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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 18 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 115964
Prefixes after maximum aggregation: 74595
Unique aggregates announced to Internet: 55552
Total ASes present in the Internet Routing Table: 13915
Origin-only ASes present in the Internet Routing Table: 12060
Origin ASes announcing only one prefix: 5387
Transit ASes present in the Internet Routing Table: 1855
Transit-only ASes present in the Internet Routing Table: 58
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1177496712
Equivalent to 70 /8s, 47 /16s and 44 /24s
Percentage of available address space announced: 31.8
Percentage of allocated address space announced: 58.2
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 48144
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18900
Total APNIC prefixes after maximum aggregation: 11395
Prefixes being announced from the APNIC address blocks: 17400
Unique aggregates announced from the APNIC address blocks: 11030
APNIC Region origin ASes present in the Internet Routing Table: 1620
APNIC Region origin ASes announcing only one prefix: 517
APNIC Region transit ASes present in the Internet Routing Table: 277
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 99293600
Equivalent to 5 /8s, 235 /16s and 25 /24s
Percentage of available APNIC address space announced: 65.3
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 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72538
Total ARIN prefixes after maximum aggregation: 46232
Prefixes being announced from the ARIN address blocks: 50923
Unique aggregates announced from the ARIN address blocks: 15372
ARIN Region origin ASes present in the Internet Routing Table: 7828
ARIN Region origin ASes announcing only one prefix: 2579
ARIN Region transit ASes present in the Internet Routing Table: 746
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 181527904
Equivalent to 10 /8s, 209 /16s and 229 /24s
Percentage of available ARIN address space announced: 67.6
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 - 26591, 26624 - 27647
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19745
Total RIPE prefixes after maximum aggregation: 14900
Prefixes being announced from the RIPE address blocks: 16422
Unique aggregates announced from the RIPE address blocks: 10958
RIPE Region origin ASes present in the Internet Routing Table: 4092
RIPE Region origin ASes announcing only one prefix: 2212
RIPE Region transit ASes present in the Internet Routing Table: 753
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 116053376
Equivalent to 6 /8s, 234 /16s and 213 /24s
Percentage of available RIPE address space announced: 76.9
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
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4781
Total LACNIC prefixes after maximum aggregation: 2068
Prefixes being announced from the LACNIC address blocks: 4108
Unique aggregates announced from the LACNIC address blocks: 2653
LACNIC Region origin ASes present in the Internet Routing Table: 317
LACNIC Region origin ASes announcing only one prefix: 79
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11467264
Equivalent to 0 /8s, 174 /16s and 250 /24s
Percentage of available LACNIC address space announced: 68.4
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1195 1185 873 Telstra Pty Ltd
703 399 368 315 UUNET
2907 350 1751 330 SINET Japan
2764 339 356 311 connect.com.au pty ltd
7474 299 275 202 Optus Communications Pty Ltd
4134 297 2286 97 Data Communications Bureau
17557 297 22 116 Pakistan Telecom
4755 280 139 75 Videsh Sanchar Nigam Ltd. Aut
4766 249 1808 157 Korea Internet Exchange for "
4814 229 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 184 57 71 Primus Telecommunications
9583 162 32 5 Satyam Infoway Ltd.,
4515 135 102 76 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
7657 129 23 86 The Internet Group Limited
4716 128 736 122 TTnet
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1790 9191 1276 UUNET Technologies, Inc.
7018 1347 7183 939 AT&T
3908 1067 1651 505 Supernet, Inc.
1239 885 3187 663 Sprint
7843 756 373 305 Adelphia Corp.
852 737 1145 457 Telus Advanced Communications
1 657 8042 433 GENUITY
7132 591 673 68 Southwestern Bell Internet Se
7046 580 894 299 UUNET Technologies, Inc.
209 573 2065 336 Qwest
4323 518 439 164 Time Warner Communications, I
690 517 75 324 Merit Network
705 445 135 206 UUNET Technologies, Inc.
2548 426 1117 266 Business Internet, Inc.
3549 405 725 291 Global Crossing
6197 398 601 40 BellSouth Network Solutions,
6198 395 180 195 BellSouth Network Solutions,
4355 385 306 109 EarthLink, Inc.
2914 365 2020 358 Verio, Inc.
15290 359 230 176 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 870 2390 725 UUNET - Commercial IP service
3301 381 1164 334 TeliaNet Sweden
3215 304 788 170 France Telecom Transpac
3320 244 1966 221 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 212 783 176 Sonera Solution Autonomous Sy
1257 206 414 202 SWIPnet Swedish IP Network
5400 204 83 97 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 168 790 130 BTnet UK Regional network
8708 153 41 146 Romania Data Systems S.A.
3303 142 516 141 Swisscom Ltd
12302 123 18 30 MobiFon S.A.
3246 122 373 115 Song Networks
8220 113 168 104 COLT Internet - International
5511 110 192 88 France Telecom
3233 106 10 8 RNC - Romanian Natioanal R&D
3269 106 690 64 TELECOM ITALIA
2874 103 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 247 114 58 ImpSat USA, Inc.
8151 202 330 110 UniNet S.A. de C.V.
7303 177 27 51 Telecom Argentina Stet-France
11172 168 72 33 Servicios Alestra S.A de C.V
6503 153 190 107 AVANTEL, S.A.
16814 106 7 12 NSS, S.A.
13999 105 20 7 Mega Cable S.A. de C.V.
10620 99 6 30 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
15311 76 26 32 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
11992 70 7 30 Integrated Systems
4270 68 18 10 Red de Interconexion Universi
15034 65 5 33 TIBA SA
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
7984 62 27 42 Global One Colombia
7927 58 4 40 Global One Venezuela
8065 58 6 15 Empresas Publicas de Medellin
6535 55 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1067 562 Supernet, Inc.
7132 591 523 Southwestern Bell Internet Se
7843 756 451 Adelphia Corp.
7018 1347 408 AT&T
6197 398 358 BellSouth Network Solutions,
4323 518 354 Time Warner Communications, I
1221 1195 322 Telstra Pty Ltd
18566 313 309 Covad Communications
1580 320 307 ANOSCEUR
7046 580 281 UUNET Technologies, Inc.
852 737 280 Telus Advanced Communications
4355 385 276 EarthLink, Inc.
4151 292 276 USDA
6347 346 271 SAVVIS Communications Corpora
705 445 239 UUNET Technologies, Inc.
209 573 237 Qwest
376 342 232 Reseau Interordinateurs Scien
1 657 224 GENUITY
1239 885 222 Sprint
4814 229 214 China Telecom (Group)
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
5757 UNALLOCATED 207.19.224.0/24 701 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
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
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 Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.91.198.0/24 2568 CTS Network Services
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
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
192.136.136.0/24 7046 UUNET Technologies, Inc.
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
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:7 /11:12 /12:46
/13:90 /14:241 /15:430 /16:7289 /17:1505 /18:2733
/19:7880 /20:7532 /21:5333 /22:8186 /23:9946 /24:63938
/25:177 /26:220 /27:115 /28:79 /29:54 /30:96
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 634 1067 Supernet, Inc.
7843 568 756 Adelphia Corp.
702 537 870 UUNET - Commercial IP service
701 493 1790 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 430 1347 AT&T
6198 311 395 BellSouth Network Solutions,
18566 307 313 Covad Communications
1580 306 320 ANOSCEUR
6197 282 398 BellSouth Network Solutions,
1239 266 885 Sprint
7046 266 580 UUNET Technologies, Inc.
209 255 573 Qwest
3215 229 304 France Telecom Transpac
3301 226 381 TeliaNet Sweden
11492 221 226 Cable One
4355 218 385 EarthLink, Inc.
7066 205 307 Virginia Polytechnic Institut
3320 186 244 Deutsche Telekom AG
5400 184 204 BT Ignite European Backbone
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 12:563 13:10 15:4 17:7 20:4
24:862 25:1 32:42 38:27 40:9 44:1
52:1 55:1 57:14 61:359 62:235 63:1898
64:1275 65:1597 66:1192 67:112 68:168 69:17
80:298 81:62 128:127 129:116 130:19 131:62
132:9 133:2 134:131 135:7 136:508 137:106
138:203 139:71 140:169 141:77 142:69 143:44
144:151 145:18 146:232 147:224 148:253 149:78
150:41 151:94 152:295 153:38 154:8 155:104
156:103 157:106 158:73 159:145 160:20 161:75
162:123 163:84 164:82 165:128 166:104 167:288
168:305 169:60 170:200 171:6 192:5390 193:2368
194:2013 195:817 196:435 198:3627 199:3102 200:2520
202:3451 203:4823 204:3296 205:2108 206:2381 207:2479
208:2570 209:2552 210:597 211:276 212:881 213:789
214:9 215:19 216:2956 217:504 218:49 219:3
End of report
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