[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 17 Aug, 2004
Analysis Summary
----------------
BGP routing table entries examined: 143728
Prefixes after maximum aggregation: 85949
Unique aggregates announced to Internet: 69481
Total ASes present in the Internet Routing Table: 17787
Origin-only ASes present in the Internet Routing Table: 15421
Origin ASes announcing only one prefix: 7246
Transit ASes present in the Internet Routing Table: 2366
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
Prefixes from unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1328303844
Equivalent to 79 /8s, 44 /16s and 78 /24s
Percentage of available address space announced: 35.8
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 65923
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27720
Total APNIC prefixes after maximum aggregation: 14011
Prefixes being announced from the APNIC address blocks: 25939
Unique aggregates announced from the APNIC address blocks: 14132
APNIC Region origin ASes present in the Internet Routing Table: 2100
APNIC Region origin ASes announcing only one prefix: 622
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 156848896
Equivalent to 9 /8s, 89 /16s and 83 /24s
Percentage of available APNIC address space announced: 71.6
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: 82064
Total ARIN prefixes after maximum aggregation: 50198
Prefixes being announced from the ARIN address blocks: 63549
Unique aggregates announced from the ARIN address blocks: 22389
ARIN Region origin ASes present in the Internet Routing Table: 9402
ARIN Region origin ASes announcing only one prefix: 3384
ARIN Region transit ASes present in the Internet Routing Table: 927
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 229503456
Equivalent to 13 /8s, 173 /16s and 241 /24s
Percentage of available ARIN address space announced: 68.4
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, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 26504
Total RIPE prefixes after maximum aggregation: 18813
Prefixes being announced from the RIPE address blocks: 23318
Unique aggregates announced from the RIPE address blocks: 15604
RIPE Region origin ASes present in the Internet Routing Table: 5737
RIPE Region origin ASes announcing only one prefix: 3105
RIPE Region transit ASes present in the Internet Routing Table: 991
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 168858176
Equivalent to 10 /8s, 16 /16s and 146 /24s
Percentage of available RIPE address space announced: 59.2
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: 6218
Total LACNIC prefixes after maximum aggregation: 2251
Prefixes being announced from the LACNIC address blocks: 6011
Unique aggregates announced from the LACNIC address blocks: 3609
LACNIC Region origin ASes present in the Internet Routing Table: 386
LACNIC Region origin ASes announcing only one prefix: 114
LACNIC Region transit ASes present in the Internet Routing Table: 75
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 15571456
Equivalent to 0 /8s, 237 /16s and 154 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1216
Total AfriNIC prefixes after maximum aggregation: 676
Prefixes being announced from the AfriNIC address blocks: 825
Unique aggregates announced from the AfriNIC address blocks: 656
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: 4.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1972992
Equivalent to 0 /8s, 30 /16s and 27 /24s
Percentage of available AfriNIC address space announced: 11.8
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 828 4161 155 Data Communications Bureau
1221 812 1184 586 Telstra Pty Ltd
4766 558 2897 264 Korea Internet Exchange for "
9583 523 40 105 Satyam Infoway Ltd.,
4755 365 133 49 Videsh Sanchar Nigam Ltd. Aut
9929 359 160 37 China Netcom Corp.
9443 354 69 80 Primus Telecommunications
2907 353 1840 327 SINET Japan
17676 343 5116 35 XTAGE CORPORATION
17557 329 23 165 Pakistan Telecom
703 317 342 244 UUNET
2764 287 275 234 connect.com.au pty ltd
7474 264 268 201 Optus Communications Pty Ltd
17633 250 56 6 ASN for Shandong Provincial N
9942 237 73 129 COMindico Australia
4802 229 25 138 Wantree Development
9800 226 370 64 CHINA UNICOM
9498 220 49 49 BHARTI BT INTERNET LTD.
10036 202 18 183 C&M Communication Co. Ltd.
4837 198 2183 108 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1388 6786 968 AT&T WorldNet Services
701 1286 8424 928 UUNET Technologies, Inc.
1239 925 2872 618 Sprint
6347 799 373 121 SAVVIS Communications Corpora
4323 776 630 214 Time Warner Telecom
18566 740 193 8 Covad Communications
6197 722 504 297 BellSouth Network Solutions,
209 613 3430 496 Qwest
721 597 20729 275 DLA Systems Automation Center
20115 570 379 295 Charter Communications
3356 566 10935 437 Level 3 Communications, LLC
852 510 1142 398 Telus Advanced Communications
7843 502 685 117 Adelphia Corp.
6198 453 429 204 BellSouth Network Solutions,
705 431 163 273 UUNET Technologies, Inc.
7132 430 8045 372 SBC Internet Services
2386 407 534 228 AT&T Data Communications Serv
22773 401 796 66 Cox Communications, Inc. Atla
4355 388 323 99 EarthLink, Inc.
376 385 363 113 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 647 2020 538 UUNET - Commercial IP service
3320 301 2469 238 Deutsche Telekom AG
3301 282 1098 272 TeliaNet Sweden
8220 277 448 264 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
3246 216 484 213 Song Networks
13083 216 51 8 Mannesmann Datenverarbeitung
1257 214 747 183 SWIPnet Swedish IP Network
5515 199 842 145 Sonera Solution Autonomous Sy
8708 197 113 177 Romania Data Systems S.A.
3215 183 892 77 France Telecom Transpac
786 177 1794 177 The JANET IP Service
25186 165 155 113 France Telecom Transpac's Tra
5400 156 272 127 BT Ignite European Backbone
6746 152 29 129 Dynamic Network Technologies,
719 150 288 102 LANLINK autonomous system
3269 143 1195 65 TELECOM ITALIA
8866 135 15 15 Bulgarian Telecommunication C
3303 130 609 129 Swisscom Ltd
12302 127 18 33 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 358 100 54 Servicios Alestra S.A de C.V
6140 338 137 65 ImpSat
8151 285 391 131 UniNet S.A. de C.V.
16814 207 13 7 NSS, S.A.
6147 188 86 20 Telefonica Del Peru
11664 139 11 26 Keytech SA
6505 137 90 94 Global One Communicaoes Ltda
6503 128 203 86 AVANTEL, S.A.
7303 121 55 19 Telecom Argentina Stet-France
11992 90 9 30 Integrated Systems
14420 82 6 32 ANDINATEL S.A.
6535 81 5 16 Chilesat Servicios Empresari
11556 81 41 3 Cable-Wireless Panama
11311 79 7 19 Sinectis S.A.
15311 76 21 36 Telefonica Empresas
5639 71 8 8 Telecommunications Services o
4270 69 18 9 Red de Interconexion Universi
14117 69 5 4 Telefonica del Sur S.A.
10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA
14259 67 4 5 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 252 632 219 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 92 276 81 The Internetworking Company o
20928 44 16 1 Noor Advanced Technologies AS
11845 40 9 11 Data Pro Business Online
9129 32 3 4 UUNET Kenya
24835 32 18 5 RAYA Telecom - Egypt
8524 26 2 4 AUCEGYPT Autonomous System
5713 25 125 23 Telkom SA Ltd
6713 25 38 8 Itissalat Al-MAGHRIB
14988 25 16 1 Botswana Telecommunications C
16637 24 9 19 Johnnic e-Ventures
12455 22 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
8346 15 7 14 SONATEL-AS Autonomous System
12258 15 3 10 Vodacom Internet Company
15706 15 4 2 Sudatel Internet Exchange Aut
21280 14 2 3 Swift Global Kenya Ltd.Is an
21491 14 1 3 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 740 732 Covad Communications
6347 799 678 SAVVIS Communications Corpora
4134 828 673 Data Communications Bureau
4323 776 562 Time Warner Telecom
6197 722 425 BellSouth Network Solutions,
9583 523 418 Satyam Infoway Ltd.,
7843 502 385 Adelphia Corp.
5668 382 364 Century Telephone
701 1286 358 UUNET Technologies, Inc.
22773 401 335 Cox Communications, Inc. Atla
27364 350 331 Armstrong Cable Services
22909 360 330 Comcast Cable Corporation
721 597 322 DLA Systems Automation Center
9929 359 322 China Netcom Corp.
4755 365 316 Videsh Sanchar Nigam Ltd. Aut
6467 345 315 E.Spire Communications, Inc.
17676 343 308 XTAGE CORPORATION
1239 925 307 Sprint
11172 358 304 Servicios Alestra S.A de C.V
4766 558 294 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
32890 UNALLOCATED 63.78.63.0/24 701 UUNET Technologies,
64606 PRIVATE 80.255.192.0/21 2529 Demon Internet
64606 PRIVATE 80.255.200.0/21 2529 Demon Internet
65217 PRIVATE 192.102.236.0/24 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
32890 UNALLOCATED 205.163.0.0/19 701 UUNET Technologies,
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
158.0.0.0/13 721 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 WorldNet Services
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 /11:14 /12:62
/13:130 /14:302 /15:541 /16:7973 /17:2162 /18:3756
/19:9680 /20:10135 /21:7477 /22:10411 /23:12068 /24:78316
/25:238 /26:191 /27:97 /28:35 /29:10 /30:74
/31:0 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 723 740 Covad Communications
6347 601 799 SAVVIS Communications Corpora
6197 566 722 BellSouth Network Solutions,
7018 529 1388 AT&T WorldNet Services
702 403 647 UUNET - Commercial IP service
4766 366 558 Korea Internet Exchange for "
9583 365 523 Satyam Infoway Ltd.,
701 364 1286 UUNET Technologies, Inc.
1239 363 925 Sprint
27364 336 350 Armstrong Cable Services
5668 334 382 Century Telephone
6198 332 453 BellSouth Network Solutions,
20115 301 570 Charter Communications
9929 287 359 China Netcom Corp.
6517 259 286 Yipes Communications, Inc.
13609 258 301 Choice One Communications Inc
6467 252 345 E.Spire Communications, Inc.
3320 248 301 Deutsche Telekom AG
25844 245 245 Skadden, Arps, Slate, Meagher
14824 242 265 NewSouth Communications Corp.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:2 12:842 13:1 15:5 16:2
17:3 20:9 24:716 32:66 33:2 38:79
40:54 44:4 55:1 56:3 57:16 60:6
61:456 62:499 63:1851 64:2256 65:2042 66:2430
67:353 68:540 69:692 70:64 80:536 81:361
82:194 83:123 84:17 128:94 129:174 130:87
131:179 132:23 134:186 135:17 136:177 137:50
138:169 139:35 140:161 141:106 142:119 143:59
144:97 145:42 146:287 147:95 148:420 149:110
150:88 151:70 152:163 153:67 154:2 155:128
156:58 157:70 158:139 159:148 160:54 161:71
162:390 163:79 164:179 165:161 166:113 167:220
168:262 169:114 170:273 171:9 192:5565 193:2860
194:2074 195:1441 196:585 198:3656 199:3256 200:3671
201:11 202:4815 203:5650 204:3129 205:2081 206:2276
207:2494 208:2153 209:3039 210:1444 211:577 212:976
213:1175 214:93 215:30 216:3770 217:996 218:182
219:126 220:246 221:31 222:140
End of report
