[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 15 Apr, 2004
Analysis Summary
----------------
BGP routing table entries examined: 136606
Prefixes after maximum aggregation: 82941
Unique aggregates announced to Internet: 65960
Total ASes present in the Internet Routing Table: 17023
Origin-only ASes present in the Internet Routing Table: 14757
Origin ASes announcing only one prefix: 6817
Transit ASes present in the Internet Routing Table: 2266
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 31
Illegal AS announcements present in the Routing Table: 5
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 17
Number of addresses announced to Internet: 1277906916
Equivalent to 76 /8s, 43 /16s and 79 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 60.0
Total number of prefixes smaller than registry allocations: 61275
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 25880
Total APNIC prefixes after maximum aggregation: 13600
Prefixes being announced from the APNIC address blocks: 24212
Unique aggregates announced from the APNIC address blocks: 13504
APNIC Region origin ASes present in the Internet Routing Table: 2043
APNIC Region origin ASes announcing only one prefix: 611
APNIC Region transit ASes present in the Internet Routing Table: 326
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 141838464
Equivalent to 8 /8s, 116 /16s and 72 /24s
Percentage of available APNIC address space announced: 76.4
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: 78920
Total ARIN prefixes after maximum aggregation: 48611
Prefixes being announced from the ARIN address blocks: 60884
Unique aggregates announced from the ARIN address blocks: 21388
ARIN Region origin ASes present in the Internet Routing Table: 9089
ARIN Region origin ASes announcing only one prefix: 3218
ARIN Region transit ASes present in the Internet Routing Table: 897
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 221695264
Equivalent to 13 /8s, 54 /16s and 205 /24s
Percentage of available ARIN address space announced: 73.4
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, 29695 - 30719
31744 - 32767
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 24873
Total RIPE prefixes after maximum aggregation: 17853
Prefixes being announced from the RIPE address blocks: 21680
Unique aggregates announced from the RIPE address blocks: 14308
RIPE Region origin ASes present in the Internet Routing Table: 5349
RIPE Region origin ASes announcing only one prefix: 2865
RIPE Region transit ASes present in the Internet Routing Table: 924
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 158879744
Equivalent to 9 /8s, 120 /16s and 80 /24s
Percentage of available RIPE address space announced: 55.7
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, 80/5, 88/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5792
Total LACNIC prefixes after maximum aggregation: 2204
Prefixes being announced from the LACNIC address blocks: 5463
Unique aggregates announced from the LACNIC address blocks: 3377
LACNIC Region origin ASes present in the Internet Routing Table: 370
LACNIC Region origin ASes announcing only one prefix: 100
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14557440
Equivalent to 0 /8s, 222 /16s and 33 /24s
Percentage of available LACNIC address space announced: 43.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1138
Total AfriNIC prefixes after maximum aggregation: 673
Prefixes being announced from the AfriNIC address blocks: 751
Unique aggregates announced from the AfriNIC address blocks: 559
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1839616
Equivalent to 0 /8s, 28 /16s and 18 /24s
Percentage of available AfriNIC address space announced: 11.0
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 865 1092 630 Telstra Pty Ltd
4134 726 3051 118 Data Communications Bureau
4766 465 2916 251 Korea Internet Exchange for "
9583 434 40 83 Satyam Infoway Ltd.,
4755 362 129 53 Videsh Sanchar Nigam Ltd. Aut
2907 356 1862 332 SINET Japan
9443 353 69 78 Primus Telecommunications
9929 342 155 31 China Netcom Corp.
703 337 374 259 UUNET
17557 319 22 163 Pakistan Telecom
17676 308 4556 42 XTAGE CORPORATION
2764 294 273 240 connect.com.au pty ltd
7474 272 300 216 Optus Communications Pty Ltd
9942 223 71 127 COMindico Australia
9800 217 348 58 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 196 31 44 BHARTI BT INTERNET LTD.
4837 168 1571 102 chinanet IDC center beijing n
9304 168 159 23 Hutchison Telecom (HK)
7633 160 23 43 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1433 6964 999 AT&T
701 1321 8561 948 UUNET Technologies, Inc.
1239 934 3033 632 Sprint
3356 887 10959 686 Level 3 Communications, LLC
209 761 3493 519 Qwest
4323 713 559 198 Time Warner Communications, I
18566 697 192 8 Covad Communications
6197 685 458 271 BellSouth Network Solutions,
20115 596 349 310 Charter Communications
6198 559 356 205 BellSouth Network Solutions,
7843 532 616 107 Adelphia Corp.
852 513 1127 404 Telus Advanced Communications
7066 501 208 273 Virginia Polytechnic Institut
7132 451 7847 332 Southwestern Bell Internet Se
2386 433 579 235 AT&T Data Communications Serv
27364 404 29 23 Armstrong Cable Services
4355 396 323 103 EarthLink, Inc.
690 384 56 262 Merit Network
22909 381 838 29 Comcast Cable Corporation
376 378 343 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 666 2039 557 UUNET - Commercial IP service
3320 293 2477 235 Deutsche Telekom AG
3301 268 984 259 TeliaNet Sweden
8220 265 412 252 COLT Internet - International
680 245 2027 240 DFN-IP service G-WiN
1257 233 510 195 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
719 200 288 103 LANLINK autonomous system
3246 195 451 193 Song Networks
5515 193 762 139 Sonera Solution Autonomous Sy
786 175 1826 175 The JANET IP Service
8708 173 111 162 Romania Data Systems S.A.
3215 168 819 72 France Telecom Transpac
25186 163 187 105 France Telecom Transpac's Tra
5400 155 225 140 BT Ignite European Backbone
6746 136 28 114 Dynamic Network Technologies,
3303 135 618 135 Swisscom Ltd
3269 134 1101 65 TELECOM ITALIA
12302 121 17 28 MobiFon S.A.
2856 114 1277 105 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 379 122 69 ImpSat
8151 265 357 130 UniNet S.A. de C.V.
11172 207 75 43 Servicios Alestra S.A de C.V
16814 163 11 6 NSS, S.A.
7303 141 53 26 Telecom Argentina Stet-France
6503 138 220 93 AVANTEL, S.A.
6147 135 78 20 Telefonica Del Peru
6505 132 90 92 Global One Communicaoes Ltda
11992 89 9 29 Integrated Systems
11556 88 73 25 Cable-Wireless Panama
6535 79 5 19 Chilesat Servicios Empresari
15311 75 18 38 Telefonica Empresas
14420 74 5 30 ANDINATEL S.A.
4270 70 18 9 Red de Interconexion Universi
11311 69 7 16 Sinectis S.A.
14259 69 4 5 GTD Internet S.A.
14535 69 6 5 Techtel S.A.
5639 64 7 13 Telecommunications Services o
7080 64 4 1 Electronica y Comunicaciones
10292 63 6 25 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 254 632 219 The Internet Solution
5536 106 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 272 79 The Internetworking Company o
11845 36 9 11 Data Pro Business Online
9129 33 3 4 UUNET Kenya
24835 31 18 6 RAYA Telecom - Egypt
16637 25 9 18 Johnnic e-Ventures
5713 24 93 22 Telkom SA Ltd
12455 24 4 2 Jambonet Autonomous system
8524 23 2 4 AUCEGYPT Autonomous System
6713 22 38 9 Itissalat Al-MAGHRIB
14988 22 16 1 Botswana Telecommunications C
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
15808 14 1 6 Communication Solutions Ltd i
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 697 689 Covad Communications
4134 726 608 Data Communications Bureau
4323 713 515 Time Warner Communications, I
7843 532 425 Adelphia Corp.
6197 685 414 BellSouth Network Solutions,
27364 404 381 Armstrong Cable Services
701 1321 373 UUNET Technologies, Inc.
6198 559 354 BellSouth Network Solutions,
22909 381 352 Comcast Cable Corporation
9583 434 351 Satyam Infoway Ltd.,
5668 363 347 Century Telephone
22773 359 324 Cox Communications, Inc. Atla
9929 342 311 China Netcom Corp.
6140 379 310 ImpSat
4755 362 309 Videsh Sanchar Nigam Ltd. Aut
1239 934 302 Sprint
4355 396 293 EarthLink, Inc.
6347 376 292 SAVVIS Communications Corpora
20115 596 286 Charter Communications
9443 353 275 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65021 PRIVATE 128.216.1.0/24 619 Department of Navy
65021 PRIVATE 128.216.4.0/24 619 Department of Navy
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
29975 UNALLOCATED 196.46.160.0/20 3741 The Internet Solutio
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 568 DISO-UNRRA
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
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 /8:18 /9:3 /10:6 /11:15 /12:58
/13:110 /14:294 /15:512 /16:7666 /17:1960 /18:3544
/19:9271 /20:9673 /21:7010 /22:9902 /23:11411 /24:74480
/25:196 /26:249 /27:146 /28:28 /29:4 /30:39
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 680 697 Covad Communications
7018 532 1433 AT&T
6197 525 685 BellSouth Network Solutions,
3356 487 887 Level 3 Communications, LLC
6198 405 559 BellSouth Network Solutions,
702 403 666 UUNET - Commercial IP service
27364 397 404 Armstrong Cable Services
7066 395 501 Virginia Polytechnic Institut
701 367 1321 UUNET Technologies, Inc.
1239 351 934 Sprint
690 347 384 Merit Network
20115 347 596 Charter Communications
5668 317 363 Century Telephone
4766 287 465 Korea Internet Exchange for "
9583 275 434 Satyam Infoway Ltd.,
9929 271 342 China Netcom Corp.
14824 250 275 NewSouth Communications Corp.
25844 244 244 Skadden, Arps, Slate, Meagher
19029 241 368 New Edge Networks
3320 240 293 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:822 13:1 15:4 16:1 17:3
20:8 24:808 32:82 38:59 40:54 44:3
55:1 56:4 57:13 61:385 62:469 63:1819
64:1903 65:1931 66:2536 67:295 68:554 69:475
80:490 81:256 82:144 83:29 128:144 129:260
130:98 131:78 132:17 134:181 135:17 136:192
137:106 138:147 139:37 140:148 141:144 142:109
143:49 144:90 145:40 146:298 147:78 148:364
149:88 150:92 151:63 152:211 153:62 154:1
155:128 156:59 157:55 158:147 159:157 160:52
161:53 162:374 163:78 164:327 165:164 166:97
167:211 168:212 169:102 170:288 171:8 192:5508
193:2622 194:2013 195:1343 196:533 198:3650 199:2986
200:3273 201:8 202:4514 203:5479 204:2987 205:1973
206:2241 207:2608 208:2320 209:2899 210:1350 211:519
212:948 213:1121 214:26 215:26 216:3356 217:890
218:162 219:100 220:203 221:25 222:19
End of report
