[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 22 Apr, 2004
Analysis Summary
----------------
BGP routing table entries examined: 136906
Prefixes after maximum aggregation: 83136
Unique aggregates announced to Internet: 66322
Total ASes present in the Internet Routing Table: 17076
Origin-only ASes present in the Internet Routing Table: 14806
Origin ASes announcing only one prefix: 6840
Transit ASes present in the Internet Routing Table: 2270
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 17
Number of addresses announced to Internet: 1282145664
Equivalent to 76 /8s, 107 /16s and 253 /24s
Percentage of available address space announced: 34.6
Percentage of allocated address space announced: 57.6
Percentage of available address space allocated: 60.0
Total number of prefixes smaller than registry allocations: 61410
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26120
Total APNIC prefixes after maximum aggregation: 13644
Prefixes being announced from the APNIC address blocks: 24429
Unique aggregates announced from the APNIC address blocks: 13660
APNIC Region origin ASes present in the Internet Routing Table: 2044
APNIC Region origin ASes announcing only one prefix: 608
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 144710912
Equivalent to 8 /8s, 160 /16s and 29 /24s
Percentage of available APNIC address space announced: 78.0
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: 78855
Total ARIN prefixes after maximum aggregation: 48739
Prefixes being announced from the ARIN address blocks: 60794
Unique aggregates announced from the ARIN address blocks: 21449
ARIN Region origin ASes present in the Internet Routing Table: 9116
ARIN Region origin ASes announcing only one prefix: 3238
ARIN Region transit ASes present in the Internet Routing Table: 893
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 221947424
Equivalent to 13 /8s, 58 /16s and 166 /24s
Percentage of available ARIN address space announced: 73.5
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: 25003
Total RIPE prefixes after maximum aggregation: 17879
Prefixes being announced from the RIPE address blocks: 21827
Unique aggregates announced from the RIPE address blocks: 14422
RIPE Region origin ASes present in the Internet Routing Table: 5368
RIPE Region origin ASes announcing only one prefix: 2869
RIPE Region transit ASes present in the Internet Routing Table: 932
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 159552512
Equivalent to 9 /8s, 130 /16s and 148 /24s
Percentage of available RIPE address space announced: 55.9
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: 5778
Total LACNIC prefixes after maximum aggregation: 2199
Prefixes being announced from the LACNIC address blocks: 5439
Unique aggregates announced from the LACNIC address blocks: 3403
LACNIC Region origin ASes present in the Internet Routing Table: 371
LACNIC Region origin ASes announcing only one prefix: 102
LACNIC Region transit ASes present in the Internet Routing Table: 74
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 14620928
Equivalent to 0 /8s, 223 /16s and 25 /24s
Percentage of available LACNIC address space announced: 43.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1149
Total AfriNIC prefixes after maximum aggregation: 675
Prefixes being announced from the AfriNIC address blocks: 745
Unique aggregates announced from the AfriNIC address blocks: 569
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: 1832448
Equivalent to 0 /8s, 27 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 10.9
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 859 1091 625 Telstra Pty Ltd
4134 719 3171 120 Data Communications Bureau
4766 473 2916 252 Korea Internet Exchange for "
9583 438 39 95 Satyam Infoway Ltd.,
4755 358 129 53 Videsh Sanchar Nigam Ltd. Aut
2907 356 1862 332 SINET Japan
9443 353 69 78 Primus Telecommunications
9929 347 155 31 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 338 374 260 UUNET
17557 322 23 164 Pakistan Telecom
2764 293 273 239 connect.com.au pty ltd
7474 274 300 215 Optus Communications Pty Ltd
9942 222 71 126 COMindico Australia
9800 217 348 58 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 204 31 44 BHARTI BT INTERNET LTD.
4837 174 1571 102 chinanet IDC center beijing n
9304 169 159 24 Hutchison Telecom (HK)
7633 159 23 43 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1422 6964 997 AT&T
701 1314 8554 942 UUNET Technologies, Inc.
1239 938 3033 637 Sprint
3356 894 10968 690 Level 3 Communications, LLC
209 753 3493 515 Qwest
4323 720 559 200 Time Warner Communications, I
18566 699 192 8 Covad Communications
6197 691 507 253 BellSouth Network Solutions,
6198 565 368 207 BellSouth Network Solutions,
20115 551 343 293 Charter Communications
7843 535 620 110 Adelphia Corp.
852 513 1127 404 Telus Advanced Communications
7066 503 208 274 Virginia Polytechnic Institut
7132 450 7847 332 Southwestern Bell Internet Se
2386 432 579 234 AT&T Data Communications Serv
27364 405 29 23 Armstrong Cable Services
4355 393 323 103 EarthLink, Inc.
22909 383 839 23 Comcast Cable Corporation
376 381 343 112 Reseau Interordinateurs Scien
6347 375 386 85 SAVVIS Communications Corpora
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 664 2039 555 UUNET - Commercial IP service
3320 293 2477 235 Deutsche Telekom AG
3301 267 984 257 TeliaNet Sweden
8220 266 412 253 COLT Internet - International
680 244 2025 239 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 198 451 195 Song Networks
5515 198 778 140 Sonera Solution Autonomous Sy
786 175 1826 175 The JANET IP Service
8708 173 111 162 Romania Data Systems S.A.
25186 168 187 109 France Telecom Transpac's Tra
3215 167 815 71 France Telecom Transpac
5400 158 241 141 BT Ignite European Backbone
6746 136 28 114 Dynamic Network Technologies,
3303 135 610 135 Swisscom Ltd
3269 134 1101 65 TELECOM ITALIA
12302 121 17 28 MobiFon S.A.
1273 110 166 87 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 380 122 69 ImpSat
8151 265 357 130 UniNet S.A. de C.V.
11172 208 75 43 Servicios Alestra S.A de C.V
16814 163 11 6 NSS, S.A.
6147 146 78 20 Telefonica Del Peru
7303 141 53 26 Telecom Argentina Stet-France
6503 137 220 93 AVANTEL, S.A.
6505 132 90 91 Global One Communicaoes Ltda
11992 90 9 29 Integrated Systems
11556 88 73 25 Cable-Wireless Panama
6535 79 5 19 Chilesat Servicios Empresari
14420 76 5 32 ANDINATEL S.A.
15311 75 18 38 Telefonica Empresas
4270 71 18 9 Red de Interconexion Universi
11311 71 7 16 Sinectis S.A.
14535 70 6 5 Techtel S.A.
14259 69 4 5 GTD Internet S.A.
7080 64 4 1 Electronica y Comunicaciones
10292 62 6 25 TELECOMMUNICATIONS OF JAMAICA
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
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 32 3 4 UUNET Kenya
24835 31 18 6 RAYA Telecom - Egypt
5713 26 125 24 Telkom SA Ltd
12455 25 4 2 Jambonet Autonomous system
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 23 2 4 AUCEGYPT Autonomous System
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 699 691 Covad Communications
4134 719 599 Data Communications Bureau
4323 720 520 Time Warner Communications, I
6197 691 438 BellSouth Network Solutions,
7843 535 425 Adelphia Corp.
27364 405 382 Armstrong Cable Services
701 1314 372 UUNET Technologies, Inc.
22909 383 360 Comcast Cable Corporation
6198 565 358 BellSouth Network Solutions,
5668 366 350 Century Telephone
9583 438 343 Satyam Infoway Ltd.,
22773 360 324 Cox Communications, Inc. Atla
9929 347 316 China Netcom Corp.
6140 380 311 ImpSat
17676 341 308 XTAGE CORPORATION
4755 358 305 Videsh Sanchar Nigam Ltd. Aut
1239 938 301 Sprint
4355 393 290 EarthLink, Inc.
6347 375 290 SAVVIS Communications Corpora
9443 353 275 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
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
/13:112 /14:293 /15:508 /16:7735 /17:1985 /18:3551
/19:9300 /20:9706 /21:7032 /22:9943 /23:11407 /24:74542
/25:205 /26:251 /27:141 /28:29 /29:4 /30:50
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 682 699 Covad Communications
7018 532 1422 AT&T
6197 527 691 BellSouth Network Solutions,
3356 494 894 Level 3 Communications, LLC
6198 403 565 BellSouth Network Solutions,
702 402 664 UUNET - Commercial IP service
27364 398 405 Armstrong Cable Services
7066 397 503 Virginia Polytechnic Institut
701 364 1314 UUNET Technologies, Inc.
1239 353 938 Sprint
5668 320 366 Century Telephone
690 317 354 Merit Network
20115 306 551 Charter Communications
4766 293 473 Korea Internet Exchange for "
9583 279 438 Satyam Infoway Ltd.,
9929 276 347 China Netcom Corp.
14824 250 275 NewSouth Communications Corp.
25844 244 244 Skadden, Arps, Slate, Meagher
3320 240 293 Deutsche Telekom AG
19029 240 367 New Edge Networks
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:818 13:1 15:4 16:1 17:3
20:8 24:803 32:81 38:62 40:54 44:3
55:1 56:4 57:13 61:409 62:462 63:1820
64:1885 65:1943 66:2510 67:298 68:550 69:494
80:501 81:253 82:153 83:30 128:148 129:252
130:101 131:88 132:19 134:183 135:17 136:191
137:106 138:151 139:38 140:150 141:133 142:108
143:50 144:93 145:41 146:298 147:77 148:367
149:92 150:92 151:62 152:199 153:62 154:1
155:130 156:59 157:54 158:146 159:159 160:48
161:53 162:377 163:79 164:330 165:163 166:98
167:209 168:215 169:103 170:289 171:8 192:5525
193:2646 194:2022 195:1342 196:529 198:3654 199:3015
200:3262 201:8 202:4575 203:5496 204:2988 205:1976
206:2263 207:2485 208:2301 209:2840 210:1366 211:516
212:952 213:1157 214:35 215:27 216:3344 217:894
218:166 219:95 220:206 221:28 222:23
End of report
