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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 21 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 118732
Prefixes after maximum aggregation: 75280
Unique aggregates announced to Internet: 56325
Total ASes present in the Internet Routing Table: 14101
Origin-only ASes present in the Internet Routing Table: 12205
Origin ASes announcing only one prefix: 5511
Transit ASes present in the Internet Routing Table: 1896
Transit-only ASes present in the Internet Routing Table: 68
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: 2
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: 1183741821
Equivalent to 70 /8s, 142 /16s and 119 /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: 50097
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19256
Total APNIC prefixes after maximum aggregation: 11481
Prefixes being announced from the APNIC address blocks: 17783
Unique aggregates announced from the APNIC address blocks: 11190
APNIC Region origin ASes present in the Internet Routing Table: 1647
APNIC Region origin ASes announcing only one prefix: 525
APNIC Region transit ASes present in the Internet Routing Table: 288
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 11
Number of APNIC addresses announced to Internet: 100491968
Equivalent to 5 /8s, 253 /16s and 98 /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 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74508
Total ARIN prefixes after maximum aggregation: 46699
Prefixes being announced from the ARIN address blocks: 52126
Unique aggregates announced from the ARIN address blocks: 15644
ARIN Region origin ASes present in the Internet Routing Table: 7918
ARIN Region origin ASes announcing only one prefix: 2653
ARIN Region transit ASes present in the Internet Routing Table: 755
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183484640
Equivalent to 10 /8s, 239 /16s and 192 /24s
Percentage of available ARIN address space announced: 68.4
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: 20084
Total RIPE prefixes after maximum aggregation: 15006
Prefixes being announced from the RIPE address blocks: 16733
Unique aggregates announced from the RIPE address blocks: 11096
RIPE Region origin ASes present in the Internet Routing Table: 4149
RIPE Region origin ASes announcing only one prefix: 2253
RIPE Region transit ASes present in the Internet Routing Table: 775
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119579584
Equivalent to 7 /8s, 32 /16s and 163 /24s
Percentage of available RIPE address space announced: 79.2
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: 4884
Total LACNIC prefixes after maximum aggregation: 2094
Prefixes being announced from the LACNIC address blocks: 4243
Unique aggregates announced from the LACNIC address blocks: 2721
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 11743744
Equivalent to 0 /8s, 179 /16s and 50 /24s
Percentage of available LACNIC address space announced: 70.0
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1178 1184 853 Telstra Pty Ltd
703 394 364 310 UUNET
2907 350 1751 330 SINET Japan
2764 339 341 307 connect.com.au pty ltd
17557 307 22 122 Pakistan Telecom
7474 304 279 202 Optus Communications Pty Ltd
4134 297 2351 99 Data Communications Bureau
4755 261 136 70 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 227 3554 29 XTAGE CORPORATION
9443 183 57 71 Primus Telecommunications
9583 172 33 10 Satyam Infoway Ltd.,
4515 143 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
7657 125 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 120 56 110 Commerical Internet eXchange
4621 119 11 66 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 1815 1668 510 Supernet, Inc.
701 1737 9039 1243 UUNET Technologies, Inc.
7018 1367 7190 946 AT&T
1239 910 3172 658 Sprint
7843 725 385 277 Adelphia Corp.
852 664 1147 466 Telus Advanced Communications
1 658 8090 438 GENUITY
209 593 2048 337 Qwest
7046 586 861 283 UUNET Technologies, Inc.
19029 568 127 28 New Edge Networks
4323 523 455 166 Time Warner Communications, I
690 507 74 319 Merit Network
7066 487 204 256 Virginia Polytechnic Institut
705 441 134 201 UUNET Technologies, Inc.
6197 441 235 201 BellSouth Network Solutions,
3561 415 2282 356 Cable & Wireless USA
6198 407 176 198 BellSouth Network Solutions,
3549 406 743 292 Global Crossing
4355 403 313 118 EarthLink, Inc.
2548 389 1036 240 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 829 2332 692 UUNET - Commercial IP service
3301 381 1164 336 TeliaNet Sweden
3215 310 789 172 France Telecom Transpac
3320 245 1964 221 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
1257 213 416 203 SWIPnet Swedish IP Network
5515 210 783 175 Sonera Solution Autonomous Sy
719 190 306 129 LANLINK autonomous system
5400 186 81 106 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 176 1304 134 BTnet UK Regional network
8708 153 41 147 Romania Data Systems S.A.
3303 144 517 143 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 117 173 109 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
5511 102 192 83 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 267 114 57 ImpSat USA, Inc.
8151 212 347 113 UniNet S.A. de C.V.
7303 184 28 47 Telecom Argentina Stet-France
11172 166 88 34 Servicios Alestra S.A de C.V
6503 155 175 110 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 97 6 33 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 79 2 30 Red Universitaria Nacional
15311 75 27 37 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
6535 73 5 16 Chilesat Servicios Empresari
4270 71 18 10 Red de Interconexion Universi
6147 66 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 63 11 40 Global One Colombia
8065 60 6 15 Empresas Publicas de Medellin
15034 60 5 33 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 568 540 New Edge Networks
701 1737 494 UUNET Technologies, Inc.
7843 725 448 Adelphia Corp.
7018 1367 421 AT&T
18566 367 362 Covad Communications
4323 523 357 Time Warner Communications, I
1221 1178 325 Telstra Pty Ltd
1580 317 304 ANOSCEUR
7046 586 303 UUNET Technologies, Inc.
4151 346 287 USDA
6347 360 286 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
209 593 256 Qwest
22927 275 255 TELEFONICA DE ARGENTINA
11492 264 254 Cable One
1239 910 252 Sprint
705 441 240 UUNET Technologies, Inc.
6197 441 240 BellSouth Network Solutions,
4814 247 232 China Telecom (Group)
7066 487 231 Virginia Polytechnic Institut
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
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
156.108.0.0/16 14041 Colorado State University / A
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 /9:3 /10:8 /11:11 /12:46
/13:91 /14:237 /15:437 /16:7309 /17:1540 /18:2745
/19:7944 /20:7583 /21:5410 /22:8329 /23:10024 /24:66054
/25:160 /26:186 /27:110 /28:104 /29:70 /30:232
/31:19 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 723 1815 Supernet, Inc.
19029 534 568 New Edge Networks
7843 527 725 Adelphia Corp.
702 507 829 UUNET - Commercial IP service
701 502 1737 UUNET Technologies, Inc.
690 455 507 Merit Network
7018 441 1367 AT&T
7066 386 487 Virginia Polytechnic Institut
18566 360 367 Covad Communications
6197 332 441 BellSouth Network Solutions,
6198 323 407 BellSouth Network Solutions,
1239 303 910 Sprint
1580 303 317 ANOSCEUR
209 278 593 Qwest
7046 276 586 UUNET Technologies, Inc.
11492 262 264 Cable One
3215 235 310 France Telecom Transpac
3301 226 381 TeliaNet Sweden
22927 225 275 TELEFONICA DE ARGENTINA
4355 223 403 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:593 13:10 15:4 17:3
20:5 24:862 25:1 32:46 38:27 40:13
44:1 55:1 57:16 61:393 62:386 63:1893
64:1385 65:1677 66:1219 67:146 68:203 69:21
80:307 81:79 128:118 129:131 130:19 131:67
132:9 133:2 134:142 135:7 136:492 137:108
138:216 139:77 140:154 141:91 142:88 143:46
144:149 145:18 146:254 147:248 148:258 149:77
150:43 151:87 152:289 153:37 154:8 155:98
156:106 157:42 158:109 159:151 160:22 161:73
162:137 163:88 164:254 165:135 166:93 167:296
168:372 169:56 170:257 171:6 192:5415 193:2386
194:1998 195:865 196:456 198:3661 199:3090 200:2589
202:3546 203:4843 204:3482 205:2327 206:2347 207:2474
208:2590 209:2863 210:617 211:289 212:884 213:792
214:12 215:20 216:3102 217:508 218:66 219:7
End of report
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