[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 10 Jun, 2004
Analysis Summary
----------------
BGP routing table entries examined: 140331
Prefixes after maximum aggregation: 84849
Unique aggregates announced to Internet: 68002
Total ASes present in the Internet Routing Table: 17385
Origin-only ASes present in the Internet Routing Table: 15084
Origin ASes announcing only one prefix: 7011
Transit ASes present in the Internet Routing Table: 2301
Transit-only ASes present in the Internet Routing Table: 73
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: 38
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1311395836
Equivalent to 78 /8s, 42 /16s and 79 /24s
Percentage of available address space announced: 35.4
Percentage of allocated address space announced: 58.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 64041
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26715
Total APNIC prefixes after maximum aggregation: 13862
Prefixes being announced from the APNIC address blocks: 24988
Unique aggregates announced from the APNIC address blocks: 13967
APNIC Region origin ASes present in the Internet Routing Table: 2060
APNIC Region origin ASes announcing only one prefix: 611
APNIC Region transit ASes present in the Internet Routing Table: 340
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 149406464
Equivalent to 8 /8s, 231 /16s and 195 /24s
Percentage of available APNIC address space announced: 68.2
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 80579
Total ARIN prefixes after maximum aggregation: 49758
Prefixes being announced from the ARIN address blocks: 62391
Unique aggregates announced from the ARIN address blocks: 21915
ARIN Region origin ASes present in the Internet Routing Table: 9243
ARIN Region origin ASes announcing only one prefix: 3287
ARIN Region transit ASes present in the Internet Routing Table: 906
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 225159968
Equivalent to 13 /8s, 107 /16s and 171 /24s
Percentage of available ARIN address space announced: 74.6
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 - 33791
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: 25747
Total RIPE prefixes after maximum aggregation: 18306
Prefixes being announced from the RIPE address blocks: 22550
Unique aggregates announced from the RIPE address blocks: 15059
RIPE Region origin ASes present in the Internet Routing Table: 5538
RIPE Region origin ASes announcing only one prefix: 2981
RIPE Region transit ASes present in the Internet Routing Table: 940
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 164484352
Equivalent to 9 /8s, 205 /16s and 213 /24s
Percentage of available RIPE address space announced: 57.7
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: 6110
Total LACNIC prefixes after maximum aggregation: 2247
Prefixes being announced from the LACNIC address blocks: 5734
Unique aggregates announced from the LACNIC address blocks: 3521
LACNIC Region origin ASes present in the Internet Routing Table: 381
LACNIC Region origin ASes announcing only one prefix: 110
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: 14996224
Equivalent to 0 /8s, 228 /16s and 211 /24s
Percentage of available LACNIC address space announced: 44.7
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1147
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 778
Unique aggregates announced from the AfriNIC address blocks: 584
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1865728
Equivalent to 0 /8s, 28 /16s and 120 /24s
Percentage of available AfriNIC address space announced: 11.1
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 845 1075 613 Telstra Pty Ltd
4134 789 3628 142 Data Communications Bureau
4766 491 2896 264 Korea Internet Exchange for "
9583 450 34 131 Satyam Infoway Ltd.,
4755 367 133 53 Videsh Sanchar Nigam Ltd. Aut
9443 355 69 79 Primus Telecommunications
2907 352 1841 329 SINET Japan
17676 341 5084 33 XTAGE CORPORATION
703 329 375 256 UUNET
17557 329 23 165 Pakistan Telecom
9929 323 156 33 China Netcom Corp.
2764 294 274 241 connect.com.au pty ltd
7474 263 267 206 Optus Communications Pty Ltd
9942 230 71 127 COMindico Australia
9800 225 367 62 CHINA UNICOM
9498 215 47 46 BHARTI BT INTERNET LTD.
4780 209 193 26 Digital United Inc.
4837 182 2019 105 chinanet IDC center beijing n
10036 181 17 169 C&M Communication Co. Ltd.
9304 168 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1433 6890 995 AT&T
701 1304 8509 928 UUNET Technologies, Inc.
6347 939 400 98 SAVVIS Communications Corpora
1239 938 3000 636 Sprint
3356 896 10901 680 Level 3 Communications, LLC
4323 736 547 204 Time Warner Communications, I
209 734 3456 503 Qwest
18566 710 192 8 Covad Communications
6197 709 525 275 BellSouth Network Solutions,
6198 573 440 220 BellSouth Network Solutions,
20115 559 368 287 Charter Communications
852 511 1142 402 Telus Advanced Communications
7843 505 650 127 Adelphia Corp.
7132 452 7868 338 Southwestern Bell Internet Se
2386 431 582 232 AT&T Data Communications Serv
705 394 144 269 UUNET Technologies, Inc.
4355 393 323 103 EarthLink, Inc.
22909 390 843 25 Comcast Cable Corporation
22773 385 779 53 Cox Communications, Inc. Atla
376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 647 2055 540 UUNET - Commercial IP service
3320 297 2462 237 Deutsche Telekom AG
3301 274 1097 264 TeliaNet Sweden
8220 273 429 261 COLT Internet - International
1257 250 497 196 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 209 468 206 Song Networks
5515 199 907 144 Sonera Solution Autonomous Sy
8708 182 112 170 Romania Data Systems S.A.
3215 181 895 69 France Telecom Transpac
719 179 288 102 LANLINK autonomous system
25186 175 156 116 France Telecom Transpac's Tra
786 174 1794 174 The JANET IP Service
6746 156 29 127 Dynamic Network Technologies,
5400 142 206 118 BT Ignite European Backbone
3269 134 1099 64 TELECOM ITALIA
3303 132 611 132 Swisscom Ltd
12302 125 18 31 MobiFon S.A.
8866 121 14 8 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 359 96 57 Servicios Alestra S.A de C.V
6140 346 140 67 ImpSat
8151 272 373 130 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 144 53 31 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 128 218 88 AVANTEL, S.A.
11992 101 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 79 5 16 Chilesat Servicios Empresari
14420 76 5 32 ANDINATEL S.A.
14535 75 6 5 Techtel S.A.
15311 75 19 37 Telefonica Empresas
11311 73 7 20 Sinectis S.A.
5639 72 8 8 Telecommunications Services o
4270 70 18 9 Red de Interconexion Universi
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 253 632 220 The Internet Solution
5536 109 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 89 276 79 The Internetworking Company o
11845 38 9 11 Data Pro Business Online
24835 30 18 6 RAYA Telecom - Egypt
9129 27 3 4 UUNET Kenya
5713 26 125 24 Telkom SA Ltd
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
8524 24 2 7 AUCEGYPT Autonomous System
12455 24 4 2 Jambonet Autonomous system
14988 21 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
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 939 841 SAVVIS Communications Corpora
18566 710 702 Covad Communications
4134 789 647 Data Communications Bureau
4323 736 532 Time Warner Communications, I
6197 709 434 BellSouth Network Solutions,
7843 505 378 Adelphia Corp.
701 1304 376 UUNET Technologies, Inc.
5668 383 366 Century Telephone
22909 390 365 Comcast Cable Corporation
6198 573 353 BellSouth Network Solutions,
27364 360 341 Armstrong Cable Services
22773 385 332 Cox Communications, Inc. Atla
9583 450 319 Satyam Infoway Ltd.,
4755 367 314 Videsh Sanchar Nigam Ltd. Aut
17676 341 308 XTAGE CORPORATION
1239 938 302 Sprint
11172 359 302 Servicios Alestra S.A de C.V
4355 393 290 EarthLink, Inc.
9929 323 290 China Netcom Corp.
6140 346 279 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
64601 PRIVATE 61.233.0.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.1.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.2.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.3.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.4.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.5.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.6.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.7.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.8.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.10.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.11.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.12.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.14.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.15.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.16.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.17.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.18.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.19.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.20.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.21.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.22.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.23.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.24.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.25.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.26.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.27.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.28.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.29.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.30.0/24 9394 CHINA RAILWAY Intern
64601 PRIVATE 61.233.31.0/24 9394 CHINA RAILWAY Intern
65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone
65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone
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
192.70.164.0/24 25689 National Research Council of
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
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:3 /10:6 /11:15 /12:59
/13:125 /14:297 /15:515 /16:7854 /17:2052 /18:3618
/19:9412 /20:9890 /21:7250 /22:10299 /23:11701 /24:76468
/25:226 /26:256 /27:138 /28:31 /29:14 /30:69
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 716 939 SAVVIS Communications Corpora
18566 693 710 Covad Communications
7018 552 1433 AT&T
6197 538 709 BellSouth Network Solutions,
3356 510 896 Level 3 Communications, LLC
6198 402 573 BellSouth Network Solutions,
702 398 647 UUNET - Commercial IP service
701 372 1304 UUNET Technologies, Inc.
1239 371 938 Sprint
27364 348 360 Armstrong Cable Services
5668 335 383 Century Telephone
4766 312 491 Korea Internet Exchange for "
9583 301 450 Satyam Infoway Ltd.,
20115 298 559 Charter Communications
9929 256 323 China Netcom Corp.
14824 255 281 NewSouth Communications Corp.
3320 247 297 Deutsche Telekom AG
690 246 282 Merit Network
25844 244 244 Skadden, Arps, Slate, Meagher
13609 237 278 Choice One Communications Inc
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:823 13:1 15:5 16:2 17:3
20:8 24:732 32:65 33:1 38:67 40:54
44:3 55:1 56:3 57:16 61:429 62:497
63:1814 64:1968 65:2007 66:2592 67:328 68:524
69:557 70:64 80:494 81:305 82:174 83:70
128:144 129:186 130:81 131:177 132:21 133:1
134:181 135:17 136:186 137:92 138:155 139:44
140:166 141:125 142:117 143:55 144:89 145:42
146:304 147:78 148:418 149:121 150:93 151:71
152:165 153:64 154:1 155:117 156:62 157:60
158:145 159:146 160:52 161:58 162:380 163:77
164:179 165:156 166:94 167:218 168:223 169:106
170:284 171:8 192:5557 193:2754 194:2027 195:1375
196:557 198:3717 199:3103 200:3490 201:8 202:4590
203:5627 204:3101 205:2052 206:2287 207:2494 208:2229
209:2914 210:1420 211:562 212:968 213:1187 214:62
215:30 216:3674 217:948 218:163 219:108 220:227
221:28 222:40
End of report
