[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 Wed 14 Apr, 2004
Analysis Summary
----------------
BGP routing table entries examined: 136533
Prefixes after maximum aggregation: 82980
Unique aggregates announced to Internet: 65990
Total ASes present in the Internet Routing Table: 17008
Origin-only ASes present in the Internet Routing Table: 14751
Origin ASes announcing only one prefix: 6801
Transit ASes present in the Internet Routing Table: 2257
Transit-only ASes present in the Internet Routing Table: 82
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: 1277141500
Equivalent to 76 /8s, 31 /16s and 161 /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: 61378
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 25739
Total APNIC prefixes after maximum aggregation: 13630
Prefixes being announced from the APNIC address blocks: 24060
Unique aggregates announced from the APNIC address blocks: 13482
APNIC Region origin ASes present in the Internet Routing Table: 2040
APNIC Region origin ASes announcing only one prefix: 605
APNIC Region transit ASes present in the Internet Routing Table: 324
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 141709952
Equivalent to 8 /8s, 114 /16s and 82 /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: 78966
Total ARIN prefixes after maximum aggregation: 48621
Prefixes being announced from the ARIN address blocks: 60908
Unique aggregates announced from the ARIN address blocks: 21380
ARIN Region origin ASes present in the Internet Routing Table: 9087
ARIN Region origin ASes announcing only one prefix: 3216
ARIN Region transit ASes present in the Internet Routing Table: 894
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 221616160
Equivalent to 13 /8s, 53 /16s and 152 /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: 24910
Total RIPE prefixes after maximum aggregation: 17862
Prefixes being announced from the RIPE address blocks: 21709
Unique aggregates announced from the RIPE address blocks: 14328
RIPE Region origin ASes present in the Internet Routing Table: 5341
RIPE Region origin ASes announcing only one prefix: 2858
RIPE Region transit ASes present in the Internet Routing Table: 919
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 158273536
Equivalent to 9 /8s, 111 /16s and 16 /24s
Percentage of available RIPE address space announced: 55.5
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
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: 5791
Total LACNIC prefixes after maximum aggregation: 2198
Prefixes being announced from the LACNIC address blocks: 5460
Unique aggregates announced from the LACNIC address blocks: 3370
LACNIC Region origin ASes present in the Internet Routing Table: 368
LACNIC Region origin ASes announcing only one prefix: 99
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: 14547456
Equivalent to 0 /8s, 221 /16s and 250 /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: 1124
Total AfriNIC prefixes after maximum aggregation: 669
Prefixes being announced from the AfriNIC address blocks: 751
Unique aggregates announced from the AfriNIC address blocks: 588
AfriNIC Region origin ASes present in the Internet Routing Table: 90
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: 1839104
Equivalent to 0 /8s, 28 /16s and 16 /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 864 1091 630 Telstra Pty Ltd
4134 726 3051 118 Data Communications Bureau
4766 465 2916 251 Korea Internet Exchange for "
9583 433 40 83 Satyam Infoway Ltd.,
2907 356 1862 332 SINET Japan
9443 354 69 79 Primus Telecommunications
703 341 374 263 UUNET
9929 341 155 31 China Netcom Corp.
4755 336 123 36 Videsh Sanchar Nigam Ltd. Aut
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 224 71 127 COMindico Australia
9800 217 348 58 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 189 31 44 BHARTI BT INTERNET LTD.
4837 168 1571 102 chinanet IDC center beijing n
9304 168 159 23 Hutchison Telecom (HK)
7633 159 23 49 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1434 6981 998 AT&T
701 1320 8560 947 UUNET Technologies, Inc.
1239 941 3036 638 Sprint
3356 886 10943 685 Level 3 Communications, LLC
209 753 3490 512 Qwest
4323 715 559 198 Time Warner Communications, I
18566 697 192 8 Covad Communications
6197 689 458 271 BellSouth Network Solutions,
20115 596 349 310 Charter Communications
6198 558 356 204 BellSouth Network Solutions,
7843 532 616 107 Adelphia Corp.
852 512 1127 403 Telus Advanced Communications
7066 497 208 273 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
702 667 2039 558 UUNET - Commercial IP service
3320 293 2477 235 Deutsche Telekom AG
3301 275 984 266 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 167 819 72 France Telecom Transpac
25186 163 187 105 France Telecom Transpac's Tra
5400 155 225 140 BT Ignite European Backbone
3303 136 618 136 Swisscom Ltd
6746 135 27 113 Dynamic Network Technologies,
3269 134 1101 65 TELECOM ITALIA
12302 121 17 28 MobiFon S.A.
2856 117 1278 106 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 266 373 131 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 134 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 71 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
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
24835 23 18 6 RAYA Telecom - Egypt
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 715 517 Time Warner Communications, I
7843 532 425 Adelphia Corp.
6197 689 418 BellSouth Network Solutions,
27364 404 381 Armstrong Cable Services
701 1320 373 UUNET Technologies, Inc.
6198 558 354 BellSouth Network Solutions,
22909 381 352 Comcast Cable Corporation
9583 433 350 Satyam Infoway Ltd.,
5668 363 347 Century Telephone
22773 358 324 Cox Communications, Inc. Atla
6140 379 310 ImpSat
9929 341 310 China Netcom Corp.
1239 941 303 Sprint
4755 336 300 Videsh Sanchar Nigam Ltd. Aut
4355 396 293 EarthLink, Inc.
6347 371 287 SAVVIS Communications Corpora
20115 596 286 Charter Communications
9443 354 275 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
/13:109 /14:294 /15:512 /16:7666 /17:1961 /18:3540
/19:9263 /20:9651 /21:6988 /22:9885 /23:11395 /24:74480
/25:198 /26:252 /27:146 /28:30 /29:4 /30:47
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 680 697 Covad Communications
6197 529 689 BellSouth Network Solutions,
7018 529 1434 AT&T
3356 487 886 Level 3 Communications, LLC
6198 405 558 BellSouth Network Solutions,
702 404 667 UUNET - Commercial IP service
27364 397 404 Armstrong Cable Services
7066 391 497 Virginia Polytechnic Institut
701 366 1320 UUNET Technologies, Inc.
1239 356 941 Sprint
690 347 384 Merit Network
20115 347 596 Charter Communications
5668 317 363 Century Telephone
4766 287 465 Korea Internet Exchange for "
9583 275 433 Satyam Infoway Ltd.,
9929 270 341 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 40:53 44:3
45:16 55:1 56:4 57:13 61:382 62:478
63:1818 64:1893 65:1946 66:2532 67:294 68:589
69:474 80:496 81:255 82:143 83:27 128:145
129:260 130:99 131:79 132:17 134:181 135:17
136:193 137:106 138:149 139:38 140:148 141:144
142:109 143:49 144:89 145:40 146:298 147:78
148:366 149:89 150:93 151:63 152:211 153:62
154:1 155:128 156:58 157:55 158:147 159:156
160:52 161:53 162:375 163:79 164:320 165:164
166:98 167:211 168:212 169:100 170:289 171:8
192:5512 193:2633 194:2023 195:1337 196:534 198:3648
199:2984 200:3267 201:8 202:4449 203:5457 204:2986
205:1971 206:2235 207:2617 208:2322 209:2911 210:1350
211:523 212:949 213:1121 214:26 215:26 216:3352
217:894 218:162 219:100 220:202 221:25 222:19
End of report
