[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 Tue 18 May, 2004
Analysis Summary
----------------
BGP routing table entries examined: 137928
Prefixes after maximum aggregation: 83687
Unique aggregates announced to Internet: 65731
Total ASes present in the Internet Routing Table: 17238
Origin-only ASes present in the Internet Routing Table: 14947
Origin ASes announcing only one prefix: 6946
Transit ASes present in the Internet Routing Table: 2291
Transit-only ASes present in the Internet Routing Table: 72
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: 9
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 18
Number of addresses announced to Internet: 1289980152
Equivalent to 76 /8s, 227 /16s and 136 /24s
Percentage of available address space announced: 34.8
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 61927
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 26317
Total APNIC prefixes after maximum aggregation: 13548
Prefixes being announced from the APNIC address blocks: 24628
Unique aggregates announced from the APNIC address blocks: 13434
APNIC Region origin ASes present in the Internet Routing Table: 2054
APNIC Region origin ASes announcing only one prefix: 610
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 146883072
Equivalent to 8 /8s, 193 /16s and 66 /24s
Percentage of available APNIC address space announced: 67.0
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: 79152
Total ARIN prefixes after maximum aggregation: 49141
Prefixes being announced from the ARIN address blocks: 61077
Unique aggregates announced from the ARIN address blocks: 20650
ARIN Region origin ASes present in the Internet Routing Table: 9188
ARIN Region origin ASes announcing only one prefix: 3276
ARIN Region transit ASes present in the Internet Routing Table: 911
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 225127968
Equivalent to 13 /8s, 107 /16s and 46 /24s
Percentage of available ARIN address space announced: 74.5
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: 25436
Total RIPE prefixes after maximum aggregation: 18105
Prefixes being announced from the RIPE address blocks: 22243
Unique aggregates announced from the RIPE address blocks: 14697
RIPE Region origin ASes present in the Internet Routing Table: 5454
RIPE Region origin ASes announcing only one prefix: 2932
RIPE Region transit ASes present in the Internet Routing Table: 935
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 162188032
Equivalent to 9 /8s, 170 /16s and 203 /24s
Percentage of available RIPE address space announced: 56.9
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: 5873
Total LACNIC prefixes after maximum aggregation: 2217
Prefixes being announced from the LACNIC address blocks: 5532
Unique aggregates announced from the LACNIC address blocks: 3446
LACNIC Region origin ASes present in the Internet Routing Table: 377
LACNIC Region origin ASes announcing only one prefix: 105
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 14904576
Equivalent to 0 /8s, 227 /16s and 109 /24s
Percentage of available LACNIC address space announced: 44.4
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1149
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 771
Unique aggregates announced from the AfriNIC address blocks: 573
AfriNIC Region origin ASes present in the Internet Routing Table: 92
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: 1854720
Equivalent to 0 /8s, 28 /16s and 77 /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 851 1091 614 Telstra Pty Ltd
4134 769 3514 140 Data Communications Bureau
4766 484 2903 258 Korea Internet Exchange for "
9583 474 44 12 Satyam Infoway Ltd.,
4755 353 125 50 Videsh Sanchar Nigam Ltd. Aut
2907 351 1840 328 SINET Japan
9443 351 69 78 Primus Telecommunications
9929 344 156 33 China Netcom Corp.
17676 341 5084 33 XTAGE CORPORATION
703 330 375 257 UUNET
17557 328 23 166 Pakistan Telecom
2764 297 275 244 connect.com.au pty ltd
7474 268 268 210 Optus Communications Pty Ltd
9942 228 71 125 COMindico Australia
9800 219 366 58 CHINA UNICOM
4780 212 193 26 Digital United Inc.
9498 194 47 46 BHARTI BT INTERNET LTD.
17974 179 51 98 PT TELEKOMUNIKASI INDONESIA
4837 176 1683 105 chinanet IDC center beijing n
9304 170 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1435 6889 998 AT&T
701 1320 8544 946 UUNET Technologies, Inc.
1239 937 3016 641 Sprint
3356 889 10948 681 Level 3 Communications, LLC
209 736 3469 503 Qwest
4323 725 561 200 Time Warner Communications, I
18566 704 192 8 Covad Communications
6197 701 517 267 BellSouth Network Solutions,
6198 568 372 209 BellSouth Network Solutions,
20115 536 848 273 Charter Communications
852 512 1142 403 Telus Advanced Communications
7066 504 208 274 Virginia Polytechnic Institut
7843 496 644 116 Adelphia Corp.
7132 451 7868 335 Southwestern Bell Internet Se
2386 427 593 231 AT&T Data Communications Serv
6347 401 388 90 SAVVIS Communications Corpora
705 397 145 272 UUNET Technologies, Inc.
4355 391 323 101 EarthLink, Inc.
22909 386 840 29 Comcast Cable Corporation
376 381 343 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2037 545 UUNET - Commercial IP service
3320 296 2477 236 Deutsche Telekom AG
3301 272 1096 262 TeliaNet Sweden
8220 272 428 259 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
1257 240 493 196 SWIPnet Swedish IP Network
13083 216 51 8 Mannesmann Datenverarbeitung
3246 203 461 200 Song Networks
5515 202 795 144 Sonera Solution Autonomous Sy
719 195 288 102 LANLINK autonomous system
3215 177 835 69 France Telecom Transpac
8708 174 111 163 Romania Data Systems S.A.
25186 174 172 115 France Telecom Transpac's Tra
786 173 1794 173 The JANET IP Service
5400 149 225 130 BT Ignite European Backbone
3269 137 1101 65 TELECOM ITALIA
6746 137 28 115 Dynamic Network Technologies,
3303 134 611 134 Swisscom Ltd
12302 122 18 29 MobiFon S.A.
1273 112 166 88 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 386 124 65 ImpSat
8151 270 373 129 UniNet S.A. de C.V.
11172 216 80 51 Servicios Alestra S.A de C.V
16814 171 11 6 NSS, S.A.
6147 160 82 21 Telefonica Del Peru
7303 143 53 32 Telecom Argentina Stet-France
6505 133 90 91 Global One Communicaoes Ltda
6503 130 219 89 AVANTEL, S.A.
11992 88 9 28 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 78 5 20 Chilesat Servicios Empresari
15311 74 18 37 Telefonica Empresas
5639 72 8 8 Telecommunications Services o
4270 71 18 9 Red de Interconexion Universi
14535 71 6 5 Techtel S.A.
14420 70 4 29 ANDINATEL S.A.
11311 69 7 19 Sinectis S.A.
14259 68 4 5 GTD Internet S.A.
10292 65 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 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
24835 31 18 6 RAYA Telecom - Egypt
9129 28 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
12455 24 4 2 Jambonet Autonomous system
14988 24 16 1 Botswana Telecommunications C
8524 23 2 4 AUCEGYPT Autonomous System
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 14 22 13 SONATEL-AS Autonomous System
15808 13 1 5 Communication Solutions Ltd i
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 704 696 Covad Communications
4134 769 629 Data Communications Bureau
4323 725 525 Time Warner Communications, I
9583 474 462 Satyam Infoway Ltd.,
6197 701 434 BellSouth Network Solutions,
7843 496 380 Adelphia Corp.
701 1320 374 UUNET Technologies, Inc.
5668 379 362 Century Telephone
6198 568 359 BellSouth Network Solutions,
22909 386 357 Comcast Cable Corporation
27364 359 340 Armstrong Cable Services
22773 370 329 Cox Communications, Inc. Atla
6140 386 321 ImpSat
6347 401 311 SAVVIS Communications Corpora
9929 344 311 China Netcom Corp.
17676 341 308 XTAGE CORPORATION
4755 353 303 Videsh Sanchar Nigam Ltd. Aut
1239 937 296 Sprint
4355 391 290 EarthLink, Inc.
9443 351 273 Primus Telecommunications
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
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
30306 UNALLOCATED 212.85.220.0/24 21242 Menasat - GDBC ,Glob
30306 UNALLOCATED 212.85.220.0/22 21242 Menasat - GDBC ,Glob
30306 UNALLOCATED 212.85.221.0/24 21242 Menasat - GDBC ,Glob
30306 UNALLOCATED 212.85.222.0/24 21242 Menasat - GDBC ,Glob
30306 UNALLOCATED 212.85.223.0/24 5713 Telkom SA Ltd
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
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 /11:16 /12:59
/13:120 /14:293 /15:509 /16:7758 /17:2019 /18:3585
/19:9363 /20:9853 /21:7143 /22:10138 /23:11496 /24:74829
/25:213 /26:265 /27:141 /28:30 /29:5 /30:53
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 687 704 Covad Communications
7018 544 1435 AT&T
6197 533 701 BellSouth Network Solutions,
3356 498 889 Level 3 Communications, LLC
6198 404 568 BellSouth Network Solutions,
7066 398 504 Virginia Polytechnic Institut
702 395 650 UUNET - Commercial IP service
701 367 1320 UUNET Technologies, Inc.
1239 361 937 Sprint
27364 347 359 Armstrong Cable Services
5668 331 379 Century Telephone
9583 309 474 Satyam Infoway Ltd.,
4766 307 484 Korea Internet Exchange for "
20115 275 536 Charter Communications
9929 274 344 China Netcom Corp.
14824 250 275 NewSouth Communications Corp.
690 247 283 Merit Network
3320 245 296 Deutsche Telekom AG
25844 244 244 Skadden, Arps, Slate, Meagher
13609 234 275 Choice One Communications Inc
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:817 13:1 15:5 16:1 17:3
20:8 24:718 32:96 38:67 40:54 44:3
55:1 56:4 57:14 61:410 62:492 63:1851
64:1829 65:1983 66:2481 67:309 68:514 69:547
70:64 80:496 81:292 82:175 83:57 128:146
129:199 130:82 131:131 132:18 133:1 134:179
135:17 136:186 137:104 138:157 139:40 140:155
141:126 142:116 143:54 144:89 145:42 146:293
147:76 148:367 149:115 150:93 151:65 152:165
153:62 154:1 155:124 156:58 157:54 158:145
159:147 160:52 161:54 162:380 163:75 164:331
165:160 166:99 167:218 168:222 169:105 170:285
171:8 192:5534 193:2704 194:2045 195:1358 196:548
198:3669 199:3059 200:3305 201:8 202:4566 203:5533
204:3030 205:1988 206:2250 207:2446 208:2240 209:2791
210:1366 211:501 212:960 213:1140 214:43 215:28
216:3377 217:895 218:171 219:102 220:217 221:28
222:36
End of report
