[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 27 Jul, 2004
Analysis Summary
----------------
BGP routing table entries examined: 142817
Prefixes after maximum aggregation: 85611
Unique aggregates announced to Internet: 68701
Total ASes present in the Internet Routing Table: 17671
Origin-only ASes present in the Internet Routing Table: 15338
Origin ASes announcing only one prefix: 7174
Transit ASes present in the Internet Routing Table: 2333
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Prefixes from unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1305083552
Equivalent to 77 /8s, 201 /16s and 254 /24s
Percentage of available address space announced: 35.2
Percentage of allocated address space announced: 57.8
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 65533
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27349
Total APNIC prefixes after maximum aggregation: 13942
Prefixes being announced from the APNIC address blocks: 25589
Unique aggregates announced from the APNIC address blocks: 14034
APNIC Region origin ASes present in the Internet Routing Table: 2083
APNIC Region origin ASes announcing only one prefix: 621
APNIC Region transit ASes present in the Internet Routing Table: 329
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 153654784
Equivalent to 9 /8s, 40 /16s and 150 /24s
Percentage of available APNIC address space announced: 70.1
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: 81700
Total ARIN prefixes after maximum aggregation: 50057
Prefixes being announced from the ARIN address blocks: 63454
Unique aggregates announced from the ARIN address blocks: 22020
ARIN Region origin ASes present in the Internet Routing Table: 9341
ARIN Region origin ASes announcing only one prefix: 3348
ARIN Region transit ASes present in the Internet Routing Table: 919
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 227977248
Equivalent to 13 /8s, 150 /16s and 168 /24s
Percentage of available ARIN address space announced: 75.5
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 - 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: 26394
Total RIPE prefixes after maximum aggregation: 18676
Prefixes being announced from the RIPE address blocks: 23180
Unique aggregates announced from the RIPE address blocks: 15400
RIPE Region origin ASes present in the Internet Routing Table: 5694
RIPE Region origin ASes announcing only one prefix: 3071
RIPE Region transit ASes present in the Internet Routing Table: 970
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 167588032
Equivalent to 9 /8s, 253 /16s and 48 /24s
Percentage of available RIPE address space announced: 58.8
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, 33792 - 34815
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: 6161
Total LACNIC prefixes after maximum aggregation: 2257
Prefixes being announced from the LACNIC address blocks: 5831
Unique aggregates announced from the LACNIC address blocks: 3551
LACNIC Region origin ASes present in the Internet Routing Table: 387
LACNIC Region origin ASes announcing only one prefix: 113
LACNIC Region transit ASes present in the Internet Routing Table: 74
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 15371520
Equivalent to 0 /8s, 234 /16s and 141 /24s
Percentage of available LACNIC address space announced: 45.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1210
Total AfriNIC prefixes after maximum aggregation: 679
Prefixes being announced from the AfriNIC address blocks: 818
Unique aggregates announced from the AfriNIC address blocks: 645
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1903616
Equivalent to 0 /8s, 29 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 11.3
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 816 1056 589 Telstra Pty Ltd
4134 812 4096 150 Data Communications Bureau
4766 502 2895 265 Korea Internet Exchange for "
9583 489 39 109 Satyam Infoway Ltd.,
4755 393 133 51 Videsh Sanchar Nigam Ltd. Aut
9443 353 69 78 Primus Telecommunications
2907 352 1840 326 SINET Japan
17676 341 5084 33 XTAGE CORPORATION
9929 329 159 31 China Netcom Corp.
17557 321 22 164 Pakistan Telecom
703 316 342 245 UUNET
2764 287 258 234 connect.com.au pty ltd
7474 268 269 206 Optus Communications Pty Ltd
9942 237 71 130 COMindico Australia
9800 225 369 62 CHINA UNICOM
9498 222 49 50 BHARTI BT INTERNET LTD.
4802 220 25 135 Wantree Development
17633 216 54 8 ASN for Shandong Provincial N
10036 197 18 178 C&M Communication Co. Ltd.
4837 191 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1417 6871 988 AT&T
701 1280 8441 921 UUNET Technologies, Inc.
6347 951 390 100 SAVVIS Communications Corpora
1239 938 2871 624 Sprint
3356 887 10929 670 Level 3 Communications, LLC
4323 741 570 212 Time Warner Communications, I
18566 733 192 8 Covad Communications
6197 722 479 302 BellSouth Network Solutions,
209 613 3411 498 Qwest
721 572 20768 262 DLA Systems Automation Center
20115 566 376 291 Charter Communications
852 511 1142 399 Telus Advanced Communications
7843 511 669 127 Adelphia Corp.
7132 486 7897 368 Southwestern Bell Internet Se
6198 450 395 204 BellSouth Network Solutions,
2386 411 533 230 AT&T Data Communications Serv
22909 397 831 34 Comcast Cable Corporation
4355 391 323 101 EarthLink, Inc.
22773 389 775 60 Cox Communications, Inc. Atla
705 387 128 263 UUNET Technologies, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 646 2038 537 UUNET - Commercial IP service
3320 300 2468 237 Deutsche Telekom AG
3301 282 1098 271 TeliaNet Sweden
8220 276 433 263 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
1257 215 731 184 SWIPnet Swedish IP Network
3246 215 484 212 Song Networks
5515 200 842 146 Sonera Solution Autonomous Sy
8708 193 113 177 Romania Data Systems S.A.
3215 182 895 70 France Telecom Transpac
786 174 1794 174 The JANET IP Service
25186 172 156 114 France Telecom Transpac's Tra
6746 157 29 128 Dynamic Network Technologies,
719 150 288 102 LANLINK autonomous system
5400 147 207 121 BT Ignite European Backbone
3269 137 1131 63 TELECOM ITALIA
8866 132 15 14 Bulgarian Telecommunication C
3303 131 610 130 Swisscom Ltd
12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 352 99 54 Servicios Alestra S.A de C.V
6140 334 140 65 ImpSat
8151 277 389 126 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 186 86 20 Telefonica Del Peru
6505 134 90 92 Global One Communicaoes Ltda
6503 128 202 86 AVANTEL, S.A.
11664 128 11 21 Keytech SA
7303 119 55 18 Telecom Argentina Stet-France
11992 91 9 29 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 81 5 16 Chilesat Servicios Empresari
14420 81 5 31 ANDINATEL S.A.
11311 80 7 18 Sinectis S.A.
15311 75 19 37 Telefonica Empresas
5639 71 8 8 Telecommunications Services o
4270 70 18 9 Red de Interconexion Universi
14117 69 5 4 Telefonica del Sur S.A.
10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA
11340 67 5 36 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 252 632 219 The Internet Solution
5536 112 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 92 276 81 The Internetworking Company o
11845 42 9 11 Data Pro Business Online
20928 42 16 1 Noor Advanced Technologies AS
24835 31 18 6 RAYA Telecom - Egypt
16637 30 9 23 Johnnic e-Ventures
14988 28 16 1 Botswana Telecommunications C
9129 27 3 4 UUNET Kenya
6713 26 38 9 Itissalat Al-MAGHRIB
5713 25 125 23 Telkom SA Ltd
8524 25 2 4 AUCEGYPT Autonomous System
12455 23 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
12258 15 3 10 Vodacom Internet Company
15706 15 4 2 Sudatel Internet Exchange Aut
8346 13 6 12 SONATEL-AS Autonomous System
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 951 851 SAVVIS Communications Corpora
18566 733 725 Covad Communications
4134 812 662 Data Communications Bureau
4323 741 529 Time Warner Communications, I
6197 722 420 BellSouth Network Solutions,
7843 511 384 Adelphia Corp.
9583 489 380 Satyam Infoway Ltd.,
5668 383 365 Century Telephone
22909 397 363 Comcast Cable Corporation
701 1280 359 UUNET Technologies, Inc.
4755 393 342 Videsh Sanchar Nigam Ltd. Aut
6467 367 334 E.Spire Communications, Inc.
27364 349 330 Armstrong Cable Services
22773 389 329 Cox Communications, Inc. Atla
1239 938 314 Sprint
721 572 310 DLA Systems Automation Center
17676 341 308 XTAGE CORPORATION
11172 352 298 Servicios Alestra S.A de C.V
9929 329 298 China Netcom Corp.
4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm
63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 721 DLA Systems Automation Center
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 /8:18 /9:3 /10:6 /11:15 /12:61
/13:127 /14:301 /15:531 /16:7916 /17:2129 /18:3712
/19:9563 /20:10083 /21:7413 /22:10405 /23:11899 /24:78018
/25:220 /26:199 /27:100 /28:34 /29:9 /30:49
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 730 951 SAVVIS Communications Corpora
18566 716 733 Covad Communications
6197 553 722 BellSouth Network Solutions,
7018 541 1417 AT&T
3356 502 887 Level 3 Communications, LLC
702 396 646 UUNET - Commercial IP service
1239 369 938 Sprint
701 359 1280 UUNET Technologies, Inc.
5668 336 383 Century Telephone
9583 336 489 Satyam Infoway Ltd.,
27364 336 349 Armstrong Cable Services
6198 332 450 BellSouth Network Solutions,
4766 317 502 Korea Internet Exchange for "
20115 300 566 Charter Communications
6467 266 367 E.Spire Communications, Inc.
9929 260 329 China Netcom Corp.
14824 254 278 NewSouth Communications Corp.
3320 248 300 Deutsche Telekom AG
13609 248 291 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:836 13:1 15:5 16:2
17:3 20:7 24:727 32:66 33:2 38:73
40:54 44:4 55:1 56:3 57:16 60:5
61:437 62:509 63:1889 64:2070 65:2042 66:2720
67:346 68:506 69:674 70:64 80:547 81:352
82:187 83:115 84:7 128:153 129:171 130:81
131:183 132:23 134:179 135:17 136:174 137:55
138:169 139:35 140:164 141:105 142:119 143:60
144:100 145:42 146:283 147:93 148:417 149:110
150:90 151:69 152:162 153:64 154:2 155:128
156:57 157:66 158:139 159:147 160:53 161:65
162:387 163:77 164:185 165:166 166:111 167:218
168:233 169:114 170:285 171:8 192:5556 193:2832
194:2066 195:1400 196:580 198:3648 199:3251 200:3574
201:9 202:4775 203:5658 204:3106 205:2082 206:2263
207:2504 208:2174 209:3056 210:1398 211:572 212:972
213:1187 214:74 215:30 216:3768 217:991 218:171
219:123 220:222 221:30 222:113
End of report
