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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 Wed 13 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117567
Prefixes after maximum aggregation: 75214
Unique aggregates announced to Internet: 56294
Total ASes present in the Internet Routing Table: 14063
Origin-only ASes present in the Internet Routing Table: 12179
Origin ASes announcing only one prefix: 5488
Transit ASes present in the Internet Routing Table: 1884
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: 7
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: 1182464124
Equivalent to 70 /8s, 122 /16s and 248 /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: 49598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19132
Total APNIC prefixes after maximum aggregation: 11455
Prefixes being announced from the APNIC address blocks: 17661
Unique aggregates announced from the APNIC address blocks: 11177
APNIC Region origin ASes present in the Internet Routing Table: 1643
APNIC Region origin ASes announcing only one prefix: 521
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: 100220352
Equivalent to 5 /8s, 249 /16s and 61 /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: 73570
Total ARIN prefixes after maximum aggregation: 46665
Prefixes being announced from the ARIN address blocks: 51440
Unique aggregates announced from the ARIN address blocks: 15611
ARIN Region origin ASes present in the Internet Routing Table: 7906
ARIN Region origin ASes announcing only one prefix: 2646
ARIN Region transit ASes present in the Internet Routing Table: 757
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182691040
Equivalent to 10 /8s, 227 /16s and 164 /24s
Percentage of available ARIN address space announced: 68.1
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: 20003
Total RIPE prefixes after maximum aggregation: 14984
Prefixes being announced from the RIPE address blocks: 16658
Unique aggregates announced from the RIPE address blocks: 11151
RIPE Region origin ASes present in the Internet Routing Table: 4133
RIPE Region origin ASes announcing only one prefix: 2239
RIPE Region transit ASes present in the Internet Routing Table: 761
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119260864
Equivalent to 7 /8s, 27 /16s and 198 /24s
Percentage of available RIPE address space announced: 79.0
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: 4856
Total LACNIC prefixes after maximum aggregation: 2110
Prefixes being announced from the LACNIC address blocks: 4237
Unique aggregates announced from the LACNIC address blocks: 2701
LACNIC Region origin ASes present in the Internet Routing Table: 320
LACNIC Region origin ASes announcing only one prefix: 82
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: 11721984
Equivalent to 0 /8s, 178 /16s and 221 /24s
Percentage of available LACNIC address space announced: 69.9
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 1183 1168 858 Telstra Pty Ltd
703 390 365 309 UUNET
2907 352 1768 331 SINET Japan
2764 338 356 308 connect.com.au pty ltd
17557 315 23 123 Pakistan Telecom
7474 300 279 199 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 264 136 71 Videsh Sanchar Nigam Ltd. Aut
4766 236 1807 152 Korea Internet Exchange for "
4814 234 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 182 57 71 Primus Telecommunications
9583 169 33 9 Satyam Infoway Ltd.,
4515 137 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 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 1728 9118 1242 UUNET Technologies, Inc.
7018 1340 7180 934 AT&T
3908 1102 1652 510 Supernet, Inc.
1239 903 3171 664 Sprint
7843 780 374 309 Adelphia Corp.
852 708 1147 467 Telus Advanced Communications
1 666 8122 442 GENUITY
209 631 2062 329 Qwest
7046 594 860 288 UUNET Technologies, Inc.
19029 549 127 28 New Edge Networks
4323 515 451 175 Time Warner Communications, I
690 506 74 317 Merit Network
7066 488 204 256 Virginia Polytechnic Institut
705 442 134 202 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3561 418 2281 361 Cable & Wireless USA
6198 405 176 198 BellSouth Network Solutions,
3549 404 728 290 Global Crossing
2548 403 1020 243 Business Internet, Inc.
4355 399 311 116 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 827 2350 693 UUNET - Commercial IP service
3301 379 1163 334 TeliaNet Sweden
3215 311 789 172 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 209 415 203 SWIPnet Swedish IP Network
5400 194 86 112 BT Ignite European Backbone
719 191 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 163 41 149 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 137 10 32 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 267 114 58 ImpSat USA, Inc.
8151 210 331 111 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 156 191 108 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 75 27 37 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
4270 71 18 10 Red de Interconexion Universi
6535 71 4 15 Chilesat Servicios Empresari
4926 63 4 51 Telintar S.A.
7984 62 11 39 Global One Colombia
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
14117 52 3 3 Telefonica del Sur S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1102 592 Supernet, Inc.
19029 549 521 New Edge Networks
7843 780 471 Adelphia Corp.
7018 1340 406 AT&T
18566 346 342 Covad Communications
4323 515 340 Time Warner Communications, I
1221 1183 325 Telstra Pty Ltd
4151 338 322 USDA
1580 321 308 ANOSCEUR
7046 594 306 UUNET Technologies, Inc.
209 631 302 Qwest
6347 359 284 SAVVIS Communications Corpora
4355 399 283 EarthLink, Inc.
852 708 241 Telus Advanced Communications
705 442 240 UUNET Technologies, Inc.
376 343 240 Reseau Interordinateurs Scien
1239 903 239 Sprint
6197 439 239 BellSouth Network Solutions,
7066 488 232 Virginia Polytechnic Institut
1 666 224 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,
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 /14:238 /15:431 /16:7301 /17:1538 /18:2746
/19:7918 /20:7558 /21:5358 /22:8252 /23:9946 /24:65151
/25:167 /26:195 /27:110 /28:103 /29:64 /30:231
/31:19 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 650 1102 Supernet, Inc.
7843 591 780 Adelphia Corp.
19029 515 549 New Edge Networks
702 499 827 UUNET - Commercial IP service
701 493 1728 UUNET Technologies, Inc.
690 454 506 Merit Network
7018 431 1340 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 341 346 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 318 631 Qwest
1580 307 321 ANOSCEUR
1239 290 903 Sprint
7046 286 594 UUNET Technologies, Inc.
3215 236 311 France Telecom Transpac
11492 230 235 Cable One
3301 224 379 TeliaNet Sweden
4355 223 399 EarthLink, Inc.
11537 221 227 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:590 13:10 15:4 17:2
20:5 24:912 25:1 32:48 38:27 40:12
44:1 55:1 57:16 61:368 62:388 63:1903
64:1400 65:1664 66:1216 67:130 68:207 69:19
80:299 81:72 128:120 129:110 130:22 131:65
132:9 133:2 134:141 135:7 136:412 137:109
138:216 139:76 140:153 141:88 142:87 143:46
144:148 145:18 146:254 147:252 148:256 149:78
150:42 151:87 152:282 153:36 154:8 155:104
156:104 157:76 158:94 159:150 160:24 161:74
162:131 163:84 164:257 165:134 166:93 167:298
168:310 169:56 170:244 171:6 192:5425 193:2381
194:1990 195:853 196:442 198:3604 199:3049 200:2588
202:3481 203:4841 204:3276 205:2118 206:2362 207:2456
208:2573 209:2837 210:613 211:286 212:884 213:782
214:12 215:20 216:3045 217:501 218:61 219:7
End of report
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