[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 06 Jul, 2004
Analysis Summary
----------------
BGP routing table entries examined: 141723
Prefixes after maximum aggregation: 85291
Unique aggregates announced to Internet: 68269
Total ASes present in the Internet Routing Table: 17516
Origin-only ASes present in the Internet Routing Table: 15174
Origin ASes announcing only one prefix: 7102
Transit ASes present in the Internet Routing Table: 2342
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 26
Prefixes from unregistered ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1316400872
Equivalent to 78 /8s, 118 /16s and 174 /24s
Percentage of available address space announced: 35.5
Percentage of allocated address space announced: 58.3
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 64897
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27224
Total APNIC prefixes after maximum aggregation: 14014
Prefixes being announced from the APNIC address blocks: 25440
Unique aggregates announced from the APNIC address blocks: 13935
APNIC Region origin ASes present in the Internet Routing Table: 2068
APNIC Region origin ASes announcing only one prefix: 621
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 151108800
Equivalent to 9 /8s, 1 /16s and 188 /24s
Percentage of available APNIC address space announced: 69.0
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: 81067
Total ARIN prefixes after maximum aggregation: 49854
Prefixes being announced from the ARIN address blocks: 62891
Unique aggregates announced from the ARIN address blocks: 21959
ARIN Region origin ASes present in the Internet Routing Table: 9287
ARIN Region origin ASes announcing only one prefix: 3319
ARIN Region transit ASes present in the Internet Routing Table: 906
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 227260704
Equivalent to 13 /8s, 139 /16s and 185 /24s
Percentage of available ARIN address space announced: 75.3
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: 26102
Total RIPE prefixes after maximum aggregation: 18496
Prefixes being announced from the RIPE address blocks: 22878
Unique aggregates announced from the RIPE address blocks: 15191
RIPE Region origin ASes present in the Internet Routing Table: 5618
RIPE Region origin ASes announcing only one prefix: 3028
RIPE Region transit ASes present in the Internet Routing Table: 984
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 165834048
Equivalent to 9 /8s, 226 /16s and 109 /24s
Percentage of available RIPE address space announced: 58.1
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: 6154
Total LACNIC prefixes after maximum aggregation: 2255
Prefixes being announced from the LACNIC address blocks: 5839
Unique aggregates announced from the LACNIC address blocks: 3579
LACNIC Region origin ASes present in the Internet Routing Table: 379
LACNIC Region origin ASes announcing only one prefix: 111
LACNIC Region transit ASes present in the Internet Routing Table: 73
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 15215872
Equivalent to 0 /8s, 232 /16s and 45 /24s
Percentage of available LACNIC address space announced: 45.3
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1175
Total AfriNIC prefixes after maximum aggregation: 672
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: 23
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: 1886720
Equivalent to 0 /8s, 28 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 11.2
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 825 1057 595 Telstra Pty Ltd
4134 792 3656 146 Data Communications Bureau
4766 499 2895 266 Korea Internet Exchange for "
9583 480 39 99 Satyam Infoway Ltd.,
4755 396 133 60 Videsh Sanchar Nigam Ltd. Aut
9443 353 69 78 Primus Telecommunications
2907 350 1840 327 SINET Japan
17676 341 5084 33 XTAGE CORPORATION
9929 324 156 33 China Netcom Corp.
17557 324 22 166 Pakistan Telecom
703 320 342 249 UUNET
2764 289 258 237 connect.com.au pty ltd
7474 265 268 206 Optus Communications Pty Ltd
9942 231 71 128 COMindico Australia
9800 224 369 62 CHINA UNICOM
9498 218 48 49 BHARTI BT INTERNET LTD.
10026 201 11 131 IXNet Hong Kong Limited
4802 199 23 138 Wantree Development
10036 198 18 179 C&M Communication Co. Ltd.
4837 189 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1437 6833 991 AT&T
701 1302 8486 929 UUNET Technologies, Inc.
6347 984 400 103 SAVVIS Communications Corpora
1239 934 2889 628 Sprint
3356 893 10916 678 Level 3 Communications, LLC
4323 739 570 207 Time Warner Communications, I
18566 725 192 8 Covad Communications
6197 710 526 278 BellSouth Network Solutions,
209 612 3454 505 Qwest
20115 563 374 289 Charter Communications
6198 515 396 214 BellSouth Network Solutions,
852 512 1142 400 Telus Advanced Communications
7843 512 663 129 Adelphia Corp.
7132 456 7872 342 Southwestern Bell Internet Se
2386 424 565 226 AT&T Data Communications Serv
22909 393 825 26 Comcast Cable Corporation
721 391 13107 286 DLA Systems Automation Center
4355 391 323 101 EarthLink, Inc.
705 388 128 264 UUNET Technologies, Inc.
22773 388 782 56 Cox Communications, Inc. Atla
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 648 2039 542 UUNET - Commercial IP service
3320 298 2468 236 Deutsche Telekom AG
3301 295 1098 268 TeliaNet Sweden
8220 275 429 263 COLT Internet - International
1257 249 498 195 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 212 478 209 Song Networks
5515 200 842 146 Sonera Solution Autonomous Sy
8708 190 112 176 Romania Data Systems S.A.
3215 185 895 70 France Telecom Transpac
719 181 288 103 LANLINK autonomous system
786 174 1794 174 The JANET IP Service
25186 172 156 114 France Telecom Transpac's Tra
6746 156 29 128 Dynamic Network Technologies,
5400 145 205 120 BT Ignite European Backbone
3269 135 1099 64 TELECOM ITALIA
3303 133 611 132 Swisscom Ltd
8866 128 14 11 Bulgarian Telecommunication C
12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 355 96 58 Servicios Alestra S.A de C.V
6140 332 140 65 ImpSat
8151 280 389 129 UniNet S.A. de C.V.
16814 208 14 10 NSS, S.A.
6147 184 82 21 Telefonica Del Peru
7303 147 53 30 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 131 202 89 AVANTEL, S.A.
11992 90 9 29 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 81 5 16 Chilesat Servicios Empresari
14420 78 5 28 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
11311 73 7 18 Sinectis S.A.
14535 72 6 5 Techtel S.A.
5639 71 8 8 Telecommunications Services o
4270 70 18 9 Red de Interconexion Universi
14117 69 5 4 Telefonica del Sur S.A.
14259 67 4 5 GTD Internet S.A.
10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 253 632 220 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
11845 39 9 11 Data Pro Business Online
20928 35 16 1 Noor Advanced Technologies AS
24835 31 18 6 RAYA Telecom - Egypt
12455 26 4 2 Jambonet Autonomous system
5713 25 125 23 Telkom SA Ltd
8524 25 2 4 AUCEGYPT Autonomous System
16637 25 9 18 Johnnic e-Ventures
6713 24 38 9 Itissalat Al-MAGHRIB
14988 24 16 1 Botswana Telecommunications C
9129 22 3 2 UUNET Kenya
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
21280 13 2 3 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 984 881 SAVVIS Communications Corpora
18566 725 717 Covad Communications
4134 792 646 Data Communications Bureau
4323 739 532 Time Warner Communications, I
6197 710 432 BellSouth Network Solutions,
7843 512 383 Adelphia Corp.
9583 480 381 Satyam Infoway Ltd.,
701 1302 373 UUNET Technologies, Inc.
22909 393 367 Comcast Cable Corporation
5668 380 362 Century Telephone
27364 376 357 Armstrong Cable Services
4755 396 336 Videsh Sanchar Nigam Ltd. Aut
22773 388 332 Cox Communications, Inc. Atla
17676 341 308 XTAGE CORPORATION
1239 934 306 Sprint
6198 515 301 BellSouth Network Solutions,
11172 355 297 Servicios Alestra S.A de C.V
9929 324 291 China Netcom Corp.
4355 391 290 EarthLink, Inc.
9443 353 275 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
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
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
192.172.0.0/19 568 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 /11:15 /12:59
/13:127 /14:300 /15:521 /16:7885 /17:2085 /18:3663
/19:9510 /20:9972 /21:7314 /22:10340 /23:11840 /24:77338
/25:219 /26:222 /27:164 /28:25 /29:15 /30:67
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 761 984 SAVVIS Communications Corpora
18566 708 725 Covad Communications
7018 561 1437 AT&T
6197 539 710 BellSouth Network Solutions,
3356 502 893 Level 3 Communications, LLC
702 396 648 UUNET - Commercial IP service
6198 385 515 BellSouth Network Solutions,
1239 372 934 Sprint
701 366 1302 UUNET Technologies, Inc.
27364 364 376 Armstrong Cable Services
5668 333 380 Century Telephone
9583 326 480 Satyam Infoway Ltd.,
4766 318 499 Korea Internet Exchange for "
20115 297 563 Charter Communications
9929 257 324 China Netcom Corp.
14824 255 279 NewSouth Communications Corp.
3320 247 298 Deutsche Telekom AG
13609 244 286 Choice One Communications Inc
25844 244 244 Skadden, Arps, Slate, Meagher
6517 242 268 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:828 13:1 15:5 16:2 17:3
20:8 24:754 32:65 33:1 38:75 40:53
44:4 55:1 56:3 57:16 61:450 62:503
63:1863 64:2034 65:2046 66:2663 67:327 68:502
69:595 70:64 80:541 81:319 82:170 83:96
84:4 128:144 129:173 130:80 131:185 132:21
133:1 134:178 135:17 136:178 137:54 138:170
139:35 140:169 141:122 142:118 143:58 144:100
145:41 146:297 147:77 148:414 149:115 150:96
151:72 152:161 153:64 154:2 155:124 156:60
157:55 158:139 159:148 160:52 161:64 162:383
163:76 164:186 165:160 166:104 167:220 168:227
169:111 170:287 171:8 192:5550 193:2798 194:2047
195:1375 196:551 198:3682 199:3113 200:3587 201:8
202:4724 203:5638 204:3121 205:2098 206:2260 207:2486
208:2196 209:2994 210:1442 211:566 212:986 213:1172
214:66 215:30 216:3716 217:977 218:170 219:119
220:233 221:31 222:57
End of report
