[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 Fri 12 Dec, 2003
Analysis Summary
----------------
BGP routing table entries examined: 130936
Prefixes after maximum aggregation: 80780
Unique aggregates announced to Internet: 62801
Total ASes present in the Internet Routing Table: 16306
Origin-only ASes present in the Internet Routing Table: 14166
Origin ASes announcing only one prefix: 6481
Transit ASes present in the Internet Routing Table: 2140
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 20
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1272349668
Equivalent to 75 /8s, 214 /16s and 131 /24s
Percentage of available address space announced: 34.3
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 57.3
Total number of prefixes smaller than registry allocations: 57622
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 23975
Total APNIC prefixes after maximum aggregation: 12974
Prefixes being announced from the APNIC address blocks: 22435
Unique aggregates announced from the APNIC address blocks: 12723
APNIC Region origin ASes present in the Internet Routing Table: 1956
APNIC Region origin ASes announcing only one prefix: 580
APNIC Region transit ASes present in the Internet Routing Table: 314
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 132216064
Equivalent to 7 /8s, 225 /16s and 117 /24s
Percentage of available APNIC address space announced: 71.2
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: 77139
Total ARIN prefixes after maximum aggregation: 47926
Prefixes being announced from the ARIN address blocks: 59755
Unique aggregates announced from the ARIN address blocks: 20675
ARIN Region origin ASes present in the Internet Routing Table: 8794
ARIN Region origin ASes announcing only one prefix: 3063
ARIN Region transit ASes present in the Internet Routing Table: 829
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 211787168
Equivalent to 12 /8s, 159 /16s and 157 /24s
Percentage of available ARIN address space announced: 74.3
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: 23133
Total RIPE prefixes after maximum aggregation: 16960
Prefixes being announced from the RIPE address blocks: 19993
Unique aggregates announced from the RIPE address blocks: 13290
RIPE Region origin ASes present in the Internet Routing Table: 5032
RIPE Region origin ASes announcing only one prefix: 2702
RIPE Region transit ASes present in the Internet Routing Table: 882
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 146676864
Equivalent to 8 /8s, 190 /16s and 28 /24s
Percentage of available RIPE address space announced: 67.3
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, 80/6, 84/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5564
Total LACNIC prefixes after maximum aggregation: 2221
Prefixes being announced from the LACNIC address blocks: 5085
Unique aggregates announced from the LACNIC address blocks: 3095
LACNIC Region origin ASes present in the Internet Routing Table: 366
LACNIC Region origin ASes announcing only one prefix: 108
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 13633280
Equivalent to 0 /8s, 208 /16s and 7 /24s
Percentage of available LACNIC address space announced: 40.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1123
Total AfriNIC prefixes after maximum aggregation: 699
Prefixes being announced from the AfriNIC address blocks: 725
Unique aggregates announced from the AfriNIC address blocks: 556
AfriNIC Region origin ASes present in the Internet Routing Table: 94
AfriNIC Region origin ASes announcing only one prefix: 28
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1757184
Equivalent to 0 /8s, 26 /16s and 208 /24s
Percentage of available AfriNIC address space announced: 10.5
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 949 1118 670 Telstra Pty Ltd
4134 618 2397 108 Data Communications Bureau
2907 363 1863 340 SINET Japan
4755 342 130 57 Videsh Sanchar Nigam Ltd. Aut
9443 337 69 80 Primus Telecommunications
703 335 356 260 UUNET
17557 305 22 154 Pakistan Telecom
17676 288 4236 37 XTAGE CORPORATION
2764 276 288 236 connect.com.au pty ltd
4766 268 2896 192 Korea Internet Exchange for "
7474 262 306 212 Optus Communications Pty Ltd
4538 249 1810 20 China Education and Research
9583 248 44 11 Satyam Infoway Ltd.,
3786 233 771 203 DACOM Corporation
9929 217 152 27 China Netcom Corp.
9942 214 69 125 COMindico Australia
9800 208 345 58 CHINA UNICOM
9498 173 22 31 BHARTI BT INTERNET LTD.
17642 154 40 113 RequestDSL BGP AS# for Sydney
17964 144 108 58 Beijing Dian-Xin-Tong Network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1420 7058 988 AT&T
701 1419 8664 973 UUNET Technologies, Inc.
1239 957 3096 667 Sprint
209 858 3446 530 Qwest
6197 798 426 276 BellSouth Network Solutions,
18566 732 176 8 Covad Communications
3356 716 10908 569 Level 3 Communications, LLC
4323 680 608 206 Time Warner Communications, I
20115 582 320 333 Charter Communications
6198 561 337 189 BellSouth Network Solutions,
7066 509 207 271 Virginia Polytechnic Institut
852 508 1124 403 Telus Advanced Communications
7843 507 509 123 Adelphia Corp.
7132 450 7341 311 Southwestern Bell Internet Se
19029 427 174 279 New Edge Networks
2386 404 527 211 AT&T Data Communications Serv
690 400 58 270 Merit Network
4355 391 329 101 EarthLink, Inc.
705 383 196 238 UUNET Technologies, Inc.
376 357 359 114 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 683 2074 566 UUNET - Commercial IP service
3301 300 1138 284 TeliaNet Sweden
3320 285 1972 233 Deutsche Telekom AG
8220 259 423 247 COLT Internet - International
1257 242 495 192 SWIPnet Swedish IP Network
680 231 2022 227 DFN-IP service G-WiN
13083 215 51 8 Mannesmann Datenverarbeitung
3246 187 426 185 Song Networks
786 175 1826 175 The JANET IP Service
5515 175 778 137 Sonera Solution Autonomous Sy
25186 173 215 124 France Telecom Transpac's Tra
8708 164 111 157 Romania Data Systems S.A.
5400 156 177 141 BT Ignite European Backbone
3215 144 722 69 France Telecom Transpac
3303 144 557 137 Swisscom Ltd
719 134 288 104 LANLINK autonomous system
12302 126 18 33 MobiFon S.A.
3269 118 940 63 TELECOM ITALIA
2856 116 1294 107 BTnet UK Regional network
3352 102 876 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 346 120 66 ImpSat
8151 241 352 125 UniNet S.A. de C.V.
11172 195 77 43 Servicios Alestra S.A de C.V
7303 179 46 26 Telecom Argentina Stet-France
16814 156 10 5 NSS, S.A.
6505 135 91 95 Global One Communicaoes Ltda
6503 125 204 91 AVANTEL, S.A.
6147 124 78 20 Telefonica Del Peru
10620 123 8 27 TVCABLE BOGOTA
11340 108 3 29 Red Universitaria Nacional
11992 88 24 31 Integrated Systems
15311 76 16 39 Telefonica Empresas
6535 75 5 18 Chilesat Servicios Empresari
8065 75 10 19 Empresas Publicas de Medellin
4270 71 18 9 Red de Interconexion Universi
11311 66 7 22 Sinectis S.A.
7080 64 4 1 Electronica y Comunicaciones
14420 60 4 23 ANDINATEL S.A.
27699 60 152 15 TELECOMUNICACOES DE SAO PAULO
1916 59 247 39 Fundacao de Amparo a Pesquisa
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 249 632 218 The Internet Solution
2018 94 297 92 Tertiary Education Network
5536 88 7 23 Internet Egypt Network
2905 60 245 53 The Internetworking Company o
2561 58 6 3 Egyptian Universities Network
11845 35 9 10 Data Pro Business Online
11569 31 29 28 satellite data networks
16284 31 4 5 GST-N Autonomous System
16637 26 9 19 Johnnic e-Ventures
9129 25 3 4 UUNET Kenya
5713 24 93 22 Telkom SA Ltd
12455 23 4 2 Jambonet Autonomous system
6713 22 38 9 Itissalat Al-MAGHRIB
10798 18 1 12 Standard Bank of South Africa
8524 17 1 3 AUCEGYPT Autonomous System
3208 15 2 1 ARN Network
12258 15 3 10 Vodacom Internet Company
15706 15 2 5 Sudatel Internet Exchange Aut
17148 14 1 8 First National Bank
2609 12 10 3 Tunisia BackBone AS
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 732 724 Covad Communications
6197 798 522 BellSouth Network Solutions,
4134 618 510 Data Communications Bureau
4323 680 474 Time Warner Communications, I
701 1419 446 UUNET Technologies, Inc.
7843 507 384 Adelphia Corp.
6198 561 372 BellSouth Network Solutions,
27364 354 330 Armstrong Cable Services
209 858 328 Qwest
22909 320 308 Comcast Cable Corporation
1239 957 290 Sprint
4355 391 290 EarthLink, Inc.
22773 317 286 Cox Communications, Inc. Atla
4755 342 285 Videsh Sanchar Nigam Ltd. Aut
6140 346 280 ImpSat
1221 949 279 Telstra Pty Ltd
5668 280 262 Century Telephone
9443 337 257 Primus Telecommunications
6347 330 251 SAVVIS Communications Corpora
17676 288 251 XTAGE CORPORATION
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 131.95.1.240/28 16430 University of Southe
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
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 568 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 /11:15 /12:58
/13:101 /14:278 /15:488 /16:7505 /17:1842 /18:3413
/19:8808 /20:9314 /21:6685 /22:9373 /23:11051 /24:71305
/25:183 /26:232 /27:154 /28:34 /29:9 /30:48
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 726 732 Covad Communications
6197 653 798 BellSouth Network Solutions,
7018 521 1420 AT&T
701 431 1419 UUNET Technologies, Inc.
6198 423 561 BellSouth Network Solutions,
702 412 683 UUNET - Commercial IP service
7066 401 509 Virginia Polytechnic Institut
20115 364 582 Charter Communications
690 361 400 Merit Network
3356 361 716 Level 3 Communications, LLC
27364 348 354 Armstrong Cable Services
1239 341 957 Sprint
209 295 858 Qwest
19029 277 427 New Edge Networks
5668 246 280 Century Telephone
25844 244 244 Skadden, Arps, Slate, Meagher
3320 228 285 Deutsche Telekom AG
4355 216 391 EarthLink, Inc.
6517 213 238 Yipes Communications, Inc.
6386 202 227 bellsouth.net, inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:755 13:1 15:6 16:1 17:3
20:7 24:864 32:82 38:43 40:25 44:2
55:1 56:1 57:16 61:322 62:458 63:1845
64:1803 65:1811 66:2191 67:281 68:644 69:359
80:446 81:171 82:41 128:148 129:253 130:67
131:80 132:17 134:170 135:16 136:183 137:114
138:127 139:31 140:160 141:134 142:112 143:49
144:64 145:42 146:290 147:70 148:315 149:85
150:118 151:60 152:208 153:56 154:1 155:128
156:61 157:62 158:135 159:137 160:46 161:49
162:367 163:71 164:331 165:173 166:104 167:210
168:183 169:95 170:300 171:9 192:5494 193:2475
194:2005 195:1272 196:515 198:3638 199:2843 200:3029
201:3 202:4234 203:5362 204:2955 205:2017 206:2267
207:2572 208:2478 209:2811 210:968 211:375 212:909
213:939 214:23 215:25 216:3351 217:792 218:121
219:87 220:116 221:16
End of report
