[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 23 Oct, 2003
Analysis Summary
----------------
BGP routing table entries examined: 129187
Prefixes after maximum aggregation: 80695
Unique aggregates announced to Internet: 62328
Total ASes present in the Internet Routing Table: 16040
Origin-only ASes present in the Internet Routing Table: 13921
Origin ASes announcing only one prefix: 6342
Transit ASes present in the Internet Routing Table: 2119
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1247949988
Equivalent to 74 /8s, 98 /16s and 52 /24s
Percentage of available address space announced: 33.7
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 57107
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 23057
Total APNIC prefixes after maximum aggregation: 12918
Prefixes being announced from the APNIC address blocks: 21478
Unique aggregates announced from the APNIC address blocks: 12481
APNIC Region origin ASes present in the Internet Routing Table: 1922
APNIC Region origin ASes announcing only one prefix: 554
APNIC Region transit ASes present in the Internet Routing Table: 306
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 123890176
Equivalent to 7 /8s, 98 /16s and 106 /24s
Percentage of available APNIC address space announced: 66.8
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 77001
Total ARIN prefixes after maximum aggregation: 48322
Prefixes being announced from the ARIN address blocks: 59568
Unique aggregates announced from the ARIN address blocks: 20639
ARIN Region origin ASes present in the Internet Routing Table: 8729
ARIN Region origin ASes announcing only one prefix: 3019
ARIN Region transit ASes present in the Internet Routing Table: 842
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 207178400
Equivalent to 12 /8s, 89 /16s and 74 /24s
Percentage of available ARIN address space announced: 72.6
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, 29695 - 30719
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 22948
Total RIPE prefixes after maximum aggregation: 16741
Prefixes being announced from the RIPE address blocks: 19589
Unique aggregates announced from the RIPE address blocks: 13056
RIPE Region origin ASes present in the Internet Routing Table: 4948
RIPE Region origin ASes announcing only one prefix: 2664
RIPE Region transit ASes present in the Internet Routing Table: 869
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 137981504
Equivalent to 8 /8s, 57 /16s and 110 /24s
Percentage of available RIPE address space announced: 74.8
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, 28672 - 29695
30720 - 31743
RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5538
Total LACNIC prefixes after maximum aggregation: 2253
Prefixes being announced from the LACNIC address blocks: 5031
Unique aggregates announced from the LACNIC address blocks: 3207
LACNIC Region origin ASes present in the Internet Routing Table: 353
LACNIC Region origin ASes announcing only one prefix: 103
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC addresses announced to Internet: 13409280
Equivalent to 0 /8s, 204 /16s and 156 /24s
Percentage of available LACNIC address space announced: 40.0
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 640
Total AfriNIC prefixes after maximum aggregation: 461
Prefixes being announced from the AfriNIC address blocks: 697
Unique aggregates announced from the AfriNIC address blocks: 532
AfriNIC Region origin ASes present in the Internet Routing Table: 17
AfriNIC Region origin ASes announcing only one prefix: 2
AfriNIC Region transit ASes present in the Internet Routing Table: 4
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1748480
Equivalent to 0 /8s, 26 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 10.4
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 969 1110 685 Telstra Pty Ltd
4755 391 134 70 Videsh Sanchar Nigam Ltd. Aut
4134 370 2295 114 Data Communications Bureau
2907 367 1879 344 SINET Japan
703 330 356 265 UUNET
2764 293 288 254 connect.com.au pty ltd
17557 287 20 144 Pakistan Telecom
17676 273 4028 34 XTAGE CORPORATION
7474 262 305 209 Optus Communications Pty Ltd
9583 262 44 11 Satyam Infoway Ltd.,
4766 242 2462 177 Korea Internet Exchange for "
3786 233 773 203 DACOM Corporation
4538 215 1714 21 China Education and Research
9800 203 334 55 CHINA UNICOM
9942 201 70 117 COMindico Australia
9929 189 160 36 China Netcom Corp.
9443 188 72 83 Primus Telecommunications
9498 186 20 20 BHARTI BT INTERNET LTD.
17642 157 40 116 RequestDSL BGP AS# for Sydney
4739 143 58 132 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1452 8668 1007 UUNET Technologies, Inc.
7018 1354 7095 937 AT&T
1239 926 3053 663 Sprint
3908 888 1532 484 Supernet, Inc.
18566 713 176 8 Covad Communications
4323 685 577 199 Time Warner Communications, I
6197 642 455 240 BellSouth Network Solutions,
209 615 2206 362 Qwest
3356 600 10816 499 Level 3 Communications, LLC
6198 571 336 196 BellSouth Network Solutions,
20115 542 275 310 Charter Communications
7843 531 475 139 Adelphia Corp.
852 518 1123 411 Telus Advanced Communications
7066 510 207 271 Virginia Polytechnic Institut
690 410 59 275 Merit Network
4355 400 332 108 EarthLink, Inc.
705 395 183 239 UUNET Technologies, Inc.
2386 380 510 198 AT&T Data Communications Serv
376 361 359 115 Reseau Interordinateurs Scien
6347 347 381 80 SAVVIS Communications Corpora
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 707 2096 586 UUNET - Commercial IP service
3301 300 1169 285 TeliaNet Sweden
3320 277 2005 238 Deutsche Telekom AG
8220 259 421 248 COLT Internet - International
1257 239 438 191 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
13083 215 51 8 Mannesmann Datenverarbeitung
719 193 307 123 LANLINK autonomous system
5400 187 172 135 BT Ignite European Backbone
5515 185 778 147 Sonera Solution Autonomous Sy
786 175 1857 175 The JANET IP Service
3215 174 688 85 France Telecom Transpac
8708 160 111 154 Romania Data Systems S.A.
3303 147 557 142 Swisscom Ltd
25186 134 162 95 France Telecom Transpac's Tra
12302 126 18 33 MobiFon S.A.
3246 125 374 123 Song Networks
3269 120 881 65 TELECOM ITALIA
2856 117 1294 108 BTnet UK Regional network
2647 101 4225 49 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 337 104 99 ImpSat
8151 235 351 124 UniNet S.A. de C.V.
7303 214 41 50 Telecom Argentina Stet-France
11172 191 77 42 Servicios Alestra S.A de C.V
16814 156 10 5 NSS, S.A.
6505 140 91 98 Global One Communicaoes Ltda
6503 129 205 93 AVANTEL, S.A.
10620 123 8 26 TVCABLE BOGOTA
6147 107 70 19 Telefonica Del Peru
11340 103 3 29 Red Universitaria Nacional
11992 85 24 31 Integrated Systems
8065 84 10 18 Empresas Publicas de Medellin
15311 76 16 39 Telefonica Empresas
6535 75 5 18 Chilesat Servicios Empresari
11830 75 22 24 Instituto Costarricense de El
4270 68 18 9 Red de Interconexion Universi
11311 67 7 23 Sinectis S.A.
7080 64 4 1 Electronica y Comunicaciones
1916 60 266 40 Fundacao de Amparo a Pesquisa
4926 57 4 48 Telintar S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 713 705 Covad Communications
4323 685 486 Time Warner Communications, I
7018 1354 417 AT&T
3908 888 404 Supernet, Inc.
6197 642 402 BellSouth Network Solutions,
7843 531 392 Adelphia Corp.
6198 571 375 BellSouth Network Solutions,
4755 391 321 Videsh Sanchar Nigam Ltd. Aut
4355 400 292 EarthLink, Inc.
27364 315 292 Armstrong Cable Services
22909 304 291 Comcast Cable Corporation
5668 305 290 Century Telephone
1221 969 284 Telstra Pty Ltd
22773 295 279 Cox Communications, Inc. Atla
6347 347 267 SAVVIS Communications Corpora
1239 926 263 Sprint
4134 370 256 Data Communications Bureau
209 615 253 Qwest
9583 262 251 Satyam Infoway Ltd.,
376 361 246 Reseau Interordinateurs Scien
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65503 PRIVATE 202.133.192.0/20 4775 Telecom Carrier /
65100 PRIVATE 210.104.28.0/25 9768 Korea Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
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
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.153.136.0/21 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:4 /10:6 /11:12 /12:55
/13:98 /14:268 /15:471 /16:7446 /17:1785 /18:3209
/19:8539 /20:9007 /21:6627 /22:9436 /23:10860 /24:70660
/25:160 /26:209 /27:159 /28:43 /29:23 /30:50
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 707 713 Covad Communications
3908 562 888 Supernet, Inc.
6197 500 642 BellSouth Network Solutions,
7018 476 1354 AT&T
701 444 1452 UUNET Technologies, Inc.
6198 442 571 BellSouth Network Solutions,
702 428 707 UUNET - Commercial IP service
7066 402 510 Virginia Polytechnic Institut
690 371 410 Merit Network
20115 350 542 Charter Communications
1239 327 926 Sprint
27364 309 315 Armstrong Cable Services
3356 290 600 Level 3 Communications, LLC
5668 271 305 Century Telephone
209 254 615 Qwest
25844 243 243 Skadden, Arps, Slate, Meagher
4355 221 400 EarthLink, Inc.
3320 219 277 Deutsche Telekom AG
7843 210 531 Adelphia Corp.
6517 202 226 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:721 13:1 15:6 16:1 17:2
20:7 24:813 25:1 32:83 38:52 40:23
43:1 44:2 55:1 57:14 61:333 62:446
63:1874 64:1816 65:1971 66:2157 67:272 68:395
69:283 80:424 81:157 82:66 128:155 129:157
130:63 131:84 132:19 134:167 135:10 136:182
137:120 138:133 139:49 140:173 141:137 142:101
143:49 144:60 145:35 146:277 147:67 148:304
149:79 150:121 151:64 152:216 153:59 154:7
155:130 156:58 157:53 158:140 159:142 160:46
161:69 162:361 163:67 164:318 165:153 166:100
167:307 168:178 169:99 170:312 171:9 192:5432
193:2419 194:1999 195:1285 196:483 198:3578 199:2832
200:3048 201:3 202:4095 203:5329 204:3004 205:2044
206:2281 207:2568 208:2519 209:2780 210:941 211:396
212:936 213:949 214:16 215:21 216:3286 217:774
218:116 219:42 220:116 221:13 222:1
End of report
