[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 04 Sep, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127729
Prefixes after maximum aggregation: 80034
Unique aggregates announced to Internet: 61405
Total ASes present in the Internet Routing Table: 15766
Origin-only ASes present in the Internet Routing Table: 13669
Origin ASes announcing only one prefix: 6213
Transit ASes present in the Internet Routing Table: 2097
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1241461280
Equivalent to 73 /8s, 255 /16s and 50 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56743
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22374
Total APNIC prefixes after maximum aggregation: 12702
Prefixes being announced from the APNIC address blocks: 20796
Unique aggregates announced from the APNIC address blocks: 12340
APNIC Region origin ASes present in the Internet Routing Table: 1891
APNIC Region origin ASes announcing only one prefix: 541
APNIC Region transit ASes present in the Internet Routing Table: 314
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 121228288
Equivalent to 7 /8s, 57 /16s and 204 /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 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 77594
Total ARIN prefixes after maximum aggregation: 48610
Prefixes being announced from the ARIN address blocks: 55364
Unique aggregates announced from the ARIN address blocks: 17265
ARIN Region origin ASes present in the Internet Routing Table: 8627
ARIN Region origin ASes announcing only one prefix: 2961
ARIN Region transit ASes present in the Internet Routing Table: 834
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 196424224
Equivalent to 11 /8s, 181 /16s and 50 /24s
Percentage of available ARIN address space announced: 73.2
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, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 22371
Total RIPE prefixes after maximum aggregation: 16434
Prefixes being announced from the RIPE address blocks: 18892
Unique aggregates announced from the RIPE address blocks: 12779
RIPE Region origin ASes present in the Internet Routing Table: 4826
RIPE Region origin ASes announcing only one prefix: 2614
RIPE Region transit ASes present in the Internet Routing Table: 851
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 135728960
Equivalent to 8 /8s, 23 /16s and 15 /24s
Percentage of available RIPE address space announced: 73.5
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
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: 5389
Total LACNIC prefixes after maximum aggregation: 2288
Prefixes being announced from the LACNIC address blocks: 4841
Unique aggregates announced from the LACNIC address blocks: 3141
LACNIC Region origin ASes present in the Internet Routing Table: 345
LACNIC Region origin ASes announcing only one prefix: 97
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 13098496
Equivalent to 0 /8s, 199 /16s and 222 /24s
Percentage of available LACNIC address space announced: 39.0
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 984 1125 697 Telstra Pty Ltd
4755 407 133 72 Videsh Sanchar Nigam Ltd. Aut
2907 375 1911 349 SINET Japan
703 339 372 268 UUNET
4134 332 2220 111 Data Communications Bureau
17557 304 26 135 Pakistan Telecom
2764 289 322 258 connect.com.au pty ltd
7474 264 291 205 Optus Communications Pty Ltd
17676 255 3926 19 XTAGE CORPORATION
9583 242 37 20 Satyam Infoway Ltd.,
3786 237 773 203 DACOM Corporation
4766 229 2461 171 Korea Internet Exchange for "
9800 201 331 57 CHINA UNICOM
9443 185 58 82 Primus Telecommunications
9498 179 16 31 BHARTI BT INTERNET LTD.
9929 172 157 35 China Netcom Corp.
4538 170 1538 21 China Education and Research
9942 156 69 100 COMindico Australia
17642 156 41 117 RequestDSL BGP AS# for Sydney
9238 140 9 21 TATA ISP
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1483 8769 1041 UUNET Technologies, Inc.
7018 1387 7139 973 AT&T
3908 921 1573 491 Supernet, Inc.
1239 897 3031 645 Sprint
189 673 451 333 Genuity
18566 673 160 8 Covad Communications
4323 628 551 179 Time Warner Communications, I
6197 571 387 248 BellSouth Network Solutions,
7843 554 425 167 Adelphia Corp.
852 517 1123 410 Telus Advanced Communications
209 510 2129 295 Qwest
6198 498 277 197 BellSouth Network Solutions,
7066 492 205 263 Virginia Polytechnic Institut
20115 481 201 291 Charter Communications
3356 476 10675 395 Level 3 Communications, LLC
1 465 1056 298 GENUITY
705 464 182 290 UUNET Technologies, Inc.
690 411 59 276 Merit Network
4355 392 340 111 EarthLink, Inc.
2386 379 524 196 AT&T Data Communications Serv
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 726 2122 602 UUNET - Commercial IP service
3301 296 1168 282 TeliaNet Sweden
3320 268 1989 228 Deutsche Telekom AG
1257 246 374 187 SWIPnet Swedish IP Network
8220 246 431 235 COLT Internet - International
680 232 2054 229 DFN-IP service G-WiN
3215 211 736 118 France Telecom Transpac
719 192 307 122 LANLINK autonomous system
5515 185 779 148 Sonera Solution Autonomous Sy
5400 181 175 132 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 158 111 154 Romania Data Systems S.A.
3303 143 540 140 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 124 376 122 Song Networks
3269 116 819 63 TELECOM ITALIA
2856 112 1295 103 BTnet UK Regional network
3352 111 828 31 Ibernet, Internet Access Netw
2647 101 4129 45 SITA
6746 88 12 75 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 329 103 106 ImpSat
7303 240 39 57 Telecom Argentina Stet-France
8151 229 350 118 UniNet S.A. de C.V.
11172 189 95 45 Servicios Alestra S.A de C.V
16814 151 10 17 NSS, S.A.
6503 133 205 94 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 104 3 36 Red Universitaria Nacional
11992 88 8 37 Integrated Systems
6147 80 70 17 Telefonica Del Peru
8065 80 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 75 14 38 Telefonica Empresas
11830 73 21 27 Instituto Costarricense de El
1916 69 285 41 Fundacao de Amparo a Pesquisa
4270 68 18 9 Red de Interconexion Universi
7927 67 6 40 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 59 12 40 Global One Colombia
13999 57 36 8 Mega Cable S.A. de C.V.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 673 665 Covad Communications
4323 628 449 Time Warner Communications, I
3908 921 430 Supernet, Inc.
7018 1387 414 AT&T
7843 554 387 Adelphia Corp.
189 673 340 Genuity
4755 407 335 Videsh Sanchar Nigam Ltd. Aut
6197 571 323 BellSouth Network Solutions,
6198 498 301 BellSouth Network Solutions,
27364 317 294 Armstrong Cable Services
1221 984 287 Telstra Pty Ltd
4355 392 281 EarthLink, Inc.
6347 354 275 SAVVIS Communications Corpora
22909 291 273 Comcast Cable Corporation
1239 897 252 Sprint
25844 241 239 Skadden, Arps, Slate, Meagher
376 353 238 Reseau Interordinateurs Scien
17676 255 236 XTAGE CORPORATION
22773 250 231 Cox Communications, Inc. Atla
7066 492 229 Virginia Polytechnic Institut
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
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
189.186.184.0/24 4471 Michigan Internet Cooperative
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 /8:20 /9:4 /10:6 /11:12 /12:55
/13:98 /14:263 /15:475 /16:7423 /17:1740 /18:3091
/19:8422 /20:8712 /21:6389 /22:9404 /23:10913 /24:70060
/25:166 /26:214 /27:145 /28:26 /29:13 /30:51
/31:0 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 667 673 Covad Communications
189 588 673 Genuity
3908 581 921 Supernet, Inc.
7018 495 1387 AT&T
701 443 1483 UUNET Technologies, Inc.
702 441 726 UUNET - Commercial IP service
6197 436 571 BellSouth Network Solutions,
6198 388 498 BellSouth Network Solutions,
7066 388 492 Virginia Polytechnic Institut
690 371 411 Merit Network
20115 328 481 Charter Communications
1239 311 897 Sprint
27364 311 317 Armstrong Cable Services
10753 298 312 XCOM Technologies, INC.
7843 265 554 Adelphia Corp.
25844 241 241 Skadden, Arps, Slate, Meagher
4355 210 392 EarthLink, Inc.
3320 207 268 Deutsche Telekom AG
3356 207 476 Level 3 Communications, LLC
209 205 510 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:706 13:1 15:4 16:1 17:4
20:6 24:843 25:1 32:85 38:44 40:23
44:2 55:1 57:14 61:299 62:394 63:1857
64:1775 65:2016 66:2700 67:260 68:392 69:260
80:413 81:117 82:13 128:150 129:171 130:62
131:84 132:13 134:172 135:7 136:188 137:114
138:113 139:47 140:146 141:134 142:98 143:45
144:88 145:13 146:272 147:62 148:300 149:78
150:121 151:68 152:218 153:57 154:4 155:126
156:68 157:48 158:119 159:135 160:44 161:75
162:360 163:77 164:314 165:146 166:96 167:313
168:178 169:95 170:322 171:9 189:1 192:5376
193:2465 194:1971 195:1111 196:469 198:3612 199:2754
200:2986 202:3914 203:5261 204:2999 205:2039 206:2336
207:2486 208:2555 209:2734 210:902 211:356 212:970
213:913 214:16 215:22 216:3265 217:711 218:106
219:36 220:102 221:9
End of report
