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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 Sat 09 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117468
Prefixes after maximum aggregation: 75129
Unique aggregates announced to Internet: 56330
Total ASes present in the Internet Routing Table: 14047
Origin-only ASes present in the Internet Routing Table: 12161
Origin ASes announcing only one prefix: 5489
Transit ASes present in the Internet Routing Table: 1886
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 8
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: 1182911612
Equivalent to 70 /8s, 129 /16s and 204 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 49470
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19181
Total APNIC prefixes after maximum aggregation: 11451
Prefixes being announced from the APNIC address blocks: 17717
Unique aggregates announced from the APNIC address blocks: 11197
APNIC Region origin ASes present in the Internet Routing Table: 1640
APNIC Region origin ASes announcing only one prefix: 523
APNIC Region transit ASes present in the Internet Routing Table: 287
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100215488
Equivalent to 5 /8s, 249 /16s and 42 /24s
Percentage of available APNIC address space announced: 65.9
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: 73416
Total ARIN prefixes after maximum aggregation: 46583
Prefixes being announced from the ARIN address blocks: 51285
Unique aggregates announced from the ARIN address blocks: 15620
ARIN Region origin ASes present in the Internet Routing Table: 7890
ARIN Region origin ASes announcing only one prefix: 2635
ARIN Region transit ASes present in the Internet Routing Table: 752
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182636256
Equivalent to 10 /8s, 226 /16s and 206 /24s
Percentage of available ARIN address space announced: 68.0
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 - 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: 19987
Total RIPE prefixes after maximum aggregation: 14993
Prefixes being announced from the RIPE address blocks: 16650
Unique aggregates announced from the RIPE address blocks: 11159
RIPE Region origin ASes present in the Internet Routing Table: 4139
RIPE Region origin ASes announcing only one prefix: 2250
RIPE Region transit ASes present in the Internet Routing Table: 765
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119183040
Equivalent to 7 /8s, 26 /16s and 150 /24s
Percentage of available RIPE address space announced: 78.9
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: 4877
Total LACNIC prefixes after maximum aggregation: 2102
Prefixes being announced from the LACNIC address blocks: 4227
Unique aggregates announced from the LACNIC address blocks: 2692
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11676416
Equivalent to 0 /8s, 178 /16s and 43 /24s
Percentage of available LACNIC address space announced: 69.6
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 1186 1168 861 Telstra Pty Ltd
703 392 365 311 UUNET
2907 351 1752 331 SINET Japan
2764 336 356 308 connect.com.au pty ltd
17557 317 23 121 Pakistan Telecom
7474 298 279 197 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 276 138 74 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 183 57 71 Primus Telecommunications
9583 164 32 6 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 129 722 123 TTnet
7657 124 24 90 The Internet Group Limited
4621 122 11 65 UNINET-TH
9800 122 188 24 CHINA UNICOM
4739 118 56 109 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1760 9122 1243 UUNET Technologies, Inc.
7018 1340 7177 936 AT&T
3908 1094 1668 511 Supernet, Inc.
1239 893 3170 659 Sprint
7843 788 374 319 Adelphia Corp.
852 694 1147 468 Telus Advanced Communications
1 665 8106 440 GENUITY
209 629 2030 328 Qwest
7046 588 860 290 UUNET Technologies, Inc.
19029 515 127 28 New Edge Networks
690 513 75 322 Merit Network
4323 513 435 174 Time Warner Communications, I
7066 487 204 256 Virginia Polytechnic Institut
705 442 134 202 UUNET Technologies, Inc.
6197 437 233 200 BellSouth Network Solutions,
2548 410 1116 249 Business Internet, Inc.
3549 408 728 293 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
4355 399 311 116 EarthLink, Inc.
3561 394 2266 343 Cable & Wireless USA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 824 2366 694 UUNET - Commercial IP service
3301 378 1164 335 TeliaNet Sweden
3215 311 805 173 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 207 415 202 SWIPnet Swedish IP Network
719 192 307 131 LANLINK autonomous system
5400 192 84 110 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 136 9 33 This AS will be used to conne
12302 122 17 29 MobiFon S.A.
3246 119 375 116 Song Networks
8220 114 169 106 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 253 114 58 ImpSat USA, Inc.
8151 213 347 112 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 167 86 33 Servicios Alestra S.A de C.V
6503 153 175 109 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 96 6 32 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 77 27 33 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
6535 71 4 15 Chilesat Servicios Empresari
4270 70 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1094 583 Supernet, Inc.
19029 515 487 New Edge Networks
7843 788 469 Adelphia Corp.
7018 1340 404 AT&T
4323 513 339 Time Warner Communications, I
18566 341 337 Covad Communications
1221 1186 325 Telstra Pty Ltd
4151 336 320 USDA
1580 321 308 ANOSCEUR
209 629 301 Qwest
7046 588 298 UUNET Technologies, Inc.
6347 359 284 SAVVIS Communications Corpora
4355 399 283 EarthLink, Inc.
705 442 240 UUNET Technologies, Inc.
376 343 240 Reseau Interordinateurs Scien
6197 437 237 BellSouth Network Solutions,
1239 893 234 Sprint
7066 487 231 Virginia Polytechnic Institut
852 694 226 Telus Advanced Communications
1 665 225 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
64600 PRIVATE 212.95.252.0/23 15409 Dexterus IP network
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 /10:8 /11:12 /12:46
/13:90 /14:239 /15:431 /16:7313 /17:1533 /18:2730
/19:7898 /20:7524 /21:5354 /22:8228 /23:9938 /24:65168
/25:161 /26:196 /27:105 /28:103 /29:70 /30:224
/31:19 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 640 1094 Supernet, Inc.
7843 601 788 Adelphia Corp.
702 495 824 UUNET - Commercial IP service
701 490 1760 UUNET Technologies, Inc.
19029 481 515 New Edge Networks
690 461 513 Merit Network
7018 432 1340 AT&T
7066 386 487 Virginia Polytechnic Institut
18566 336 341 Covad Communications
6197 330 437 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 318 629 Qwest
1580 307 321 ANOSCEUR
1239 282 893 Sprint
7046 278 588 UUNET Technologies, Inc.
3215 235 311 France Telecom Transpac
11492 227 232 Cable One
3301 224 378 TeliaNet Sweden
4355 223 399 EarthLink, Inc.
11537 220 226 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:584 13:10 15:4 17:2
20:5 24:912 25:1 32:47 38:26 40:13
44:1 55:1 57:15 61:374 62:385 63:1903
64:1386 65:1652 66:1217 67:126 68:200 69:19
80:296 81:69 128:127 129:110 130:22 131:64
132:9 133:2 134:142 135:7 136:412 137:110
138:216 139:76 140:154 141:88 142:86 143:46
144:149 145:18 146:254 147:251 148:255 149:77
150:41 151:86 152:288 153:36 154:8 155:103
156:104 157:104 158:88 159:149 160:22 161:72
162:131 163:89 164:256 165:139 166:93 167:304
168:310 169:55 170:244 171:6 192:5423 193:2394
194:1988 195:845 196:439 198:3602 199:3084 200:2584
202:3529 203:4862 204:3289 205:2105 206:2364 207:2448
208:2561 209:2795 210:613 211:284 212:886 213:780
214:11 215:20 216:3047 217:500 218:51 219:7
End of report
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