[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 Mon 09 Aug, 2004
Analysis Summary
----------------
BGP routing table entries examined: 143786
Prefixes after maximum aggregation: 85941
Unique aggregates announced to Internet: 69106
Total ASes present in the Internet Routing Table: 17732
Origin-only ASes present in the Internet Routing Table: 15378
Origin ASes announcing only one prefix: 7214
Transit ASes present in the Internet Routing Table: 2354
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: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1308263968
Equivalent to 77 /8s, 250 /16s and 134 /24s
Percentage of available address space announced: 35.3
Percentage of allocated address space announced: 57.0
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 66178
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27537
Total APNIC prefixes after maximum aggregation: 13975
Prefixes being announced from the APNIC address blocks: 25781
Unique aggregates announced from the APNIC address blocks: 14099
APNIC Region origin ASes present in the Internet Routing Table: 2092
APNIC Region origin ASes announcing only one prefix: 629
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 155105152
Equivalent to 9 /8s, 62 /16s and 183 /24s
Percentage of available APNIC address space announced: 70.8
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: 82300
Total ARIN prefixes after maximum aggregation: 50258
Prefixes being announced from the ARIN address blocks: 63876
Unique aggregates announced from the ARIN address blocks: 22116
ARIN Region origin ASes present in the Internet Routing Table: 9381
ARIN Region origin ASes announcing only one prefix: 3372
ARIN Region transit ASes present in the Internet Routing Table: 923
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 229147040
Equivalent to 13 /8s, 168 /16s and 129 /24s
Percentage of available ARIN address space announced: 68.3
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, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 26508
Total RIPE prefixes after maximum aggregation: 18760
Prefixes being announced from the RIPE address blocks: 23329
Unique aggregates announced from the RIPE address blocks: 15500
RIPE Region origin ASes present in the Internet Routing Table: 5710
RIPE Region origin ASes announcing only one prefix: 3082
RIPE Region transit ASes present in the Internet Routing Table: 984
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 168588096
Equivalent to 10 /8s, 12 /16s and 115 /24s
Percentage of available RIPE address space announced: 59.1
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: 6219
Total LACNIC prefixes after maximum aggregation: 2268
Prefixes being announced from the LACNIC address blocks: 5959
Unique aggregates announced from the LACNIC address blocks: 3606
LACNIC Region origin ASes present in the Internet Routing Table: 384
LACNIC Region origin ASes announcing only one prefix: 110
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: 15491840
Equivalent to 0 /8s, 236 /16s and 99 /24s
Percentage of available LACNIC address space announced: 46.2
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1218
Total AfriNIC prefixes after maximum aggregation: 680
Prefixes being announced from the AfriNIC address blocks: 824
Unique aggregates announced from the AfriNIC address blocks: 652
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: 14
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1977344
Equivalent to 0 /8s, 30 /16s and 44 /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 819 4129 154 Data Communications Bureau
1221 817 1184 592 Telstra Pty Ltd
4766 548 2897 264 Korea Internet Exchange for "
9583 510 40 106 Satyam Infoway Ltd.,
4755 363 133 51 Videsh Sanchar Nigam Ltd. Aut
9443 355 70 80 Primus Telecommunications
2907 350 1808 324 SINET Japan
17676 342 5100 34 XTAGE CORPORATION
9929 333 159 31 China Netcom Corp.
17557 326 23 162 Pakistan Telecom
703 317 342 244 UUNET
2764 287 274 234 connect.com.au pty ltd
7474 264 268 202 Optus Communications Pty Ltd
17633 238 56 6 ASN for Shandong Provincial N
9942 237 71 130 COMindico Australia
4802 227 25 140 Wantree Development
9800 226 370 64 CHINA UNICOM
9498 222 49 52 BHARTI BT INTERNET LTD.
10036 202 18 183 C&M Communication Co. Ltd.
4837 196 2023 106 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1397 6805 971 AT&T WorldNet Services
701 1282 8413 955 UUNET Technologies, Inc.
6347 949 390 100 SAVVIS Communications Corpora
1239 939 2877 627 Sprint
3356 882 10908 666 Level 3 Communications, LLC
4323 772 621 213 Time Warner Telecom
6197 771 495 309 BellSouth Network Solutions,
18566 739 193 8 Covad Communications
209 612 3429 494 Qwest
721 601 20779 281 DLA Systems Automation Center
20115 568 377 293 Charter Communications
7843 513 676 133 Adelphia Corp.
852 511 1142 399 Telus Advanced Communications
6198 452 395 205 BellSouth Network Solutions,
705 429 163 271 UUNET Technologies, Inc.
7132 429 8013 373 SBC Internet Services
2386 410 534 230 AT&T Data Communications Serv
22773 392 796 64 Cox Communications, Inc. Atla
4355 390 323 101 EarthLink, Inc.
376 384 363 113 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 645 2019 536 UUNET - Commercial IP service
3320 302 2469 239 Deutsche Telekom AG
3301 282 1098 271 TeliaNet Sweden
8220 278 448 265 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
1257 216 747 185 SWIPnet Swedish IP Network
3246 216 484 213 Song Networks
13083 216 51 8 Mannesmann Datenverarbeitung
5515 199 842 145 Sonera Solution Autonomous Sy
8708 194 113 175 Romania Data Systems S.A.
3215 182 892 77 France Telecom Transpac
786 177 1794 177 The JANET IP Service
25186 173 156 114 France Telecom Transpac's Tra
5400 152 208 123 BT Ignite European Backbone
6746 152 29 129 Dynamic Network Technologies,
719 150 288 102 LANLINK autonomous system
3269 141 1163 64 TELECOM ITALIA
8866 133 15 14 Bulgarian Telecommunication C
3303 130 609 129 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 351 99 53 Servicios Alestra S.A de C.V
6140 334 137 64 ImpSat
8151 284 390 130 UniNet S.A. de C.V.
16814 203 13 7 NSS, S.A.
6147 187 86 20 Telefonica Del Peru
6505 136 90 94 Global One Communicaoes Ltda
6503 135 202 91 AVANTEL, S.A.
11664 134 11 22 Keytech SA
7303 121 55 19 Telecom Argentina Stet-France
11556 100 63 22 Cable-Wireless Panama
11992 90 9 30 Integrated Systems
14420 82 6 32 ANDINATEL S.A.
6535 81 5 16 Chilesat Servicios Empresari
11311 81 7 19 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.
11340 68 5 37 Red Universitaria Nacional
10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA
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 43 16 1 Noor Advanced Technologies AS
11845 42 9 11 Data Pro Business Online
24835 32 18 5 RAYA Telecom - Egypt
9129 29 3 4 UUNET Kenya
14988 29 16 1 Botswana Telecommunications C
6713 26 38 9 Itissalat Al-MAGHRIB
16637 26 9 19 Johnnic e-Ventures
5713 25 125 23 Telkom SA Ltd
8524 25 2 7 AUCEGYPT Autonomous System
12455 23 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
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 949 849 SAVVIS Communications Corpora
18566 739 731 Covad Communications
4134 819 665 Data Communications Bureau
4323 772 559 Time Warner Telecom
6197 771 462 BellSouth Network Solutions,
9583 510 404 Satyam Infoway Ltd.,
7843 513 380 Adelphia Corp.
5668 382 364 Century Telephone
27364 350 331 Armstrong Cable Services
22909 359 329 Comcast Cable Corporation
22773 392 328 Cox Communications, Inc. Atla
701 1282 327 UUNET Technologies, Inc.
6467 354 322 E.Spire Communications, Inc.
721 601 320 DLA Systems Automation Center
1239 939 312 Sprint
4755 363 312 Videsh Sanchar Nigam Ltd. Aut
17676 342 308 XTAGE CORPORATION
9929 333 302 China Netcom Corp.
11172 351 298 Servicios Alestra S.A de C.V
4355 390 289 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65217 PRIVATE 128.101.58.0/28 217 University of Minnes
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
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 /8:18 /9:3 /10:6 /11:15 /12:62
/13:128 /14:301 /15:534 /16:7940 /17:2132 /18:3735
/19:9663 /20:10104 /21:7492 /22:10402 /23:11979 /24:78574
/25:227 /26:193 /27:113 /28:45 /29:18 /30:65
/31:0 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 728 949 SAVVIS Communications Corpora
18566 722 739 Covad Communications
6197 592 771 BellSouth Network Solutions,
7018 534 1397 AT&T WorldNet Services
3356 500 882 Level 3 Communications, LLC
702 401 645 UUNET - Commercial IP service
701 365 1282 UUNET Technologies, Inc.
1239 365 939 Sprint
9583 357 510 Satyam Infoway Ltd.,
4766 356 548 Korea Internet Exchange for "
27364 336 350 Armstrong Cable Services
5668 334 382 Century Telephone
6198 334 452 BellSouth Network Solutions,
20115 301 568 Charter Communications
9929 265 333 China Netcom Corp.
6467 259 354 E.Spire Communications, Inc.
13609 257 300 Choice One Communications Inc
6517 256 283 Yipes Communications, Inc.
14824 253 277 NewSouth Communications Corp.
3320 249 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:2 12:833 13:1 15:5 16:2
17:3 20:9 24:733 32:66 33:2 38:78
40:54 44:4 55:1 56:3 57:16 60:6
61:450 62:514 63:1898 64:2199 65:2051 66:2757
67:349 68:533 69:682 70:64 80:536 81:371
82:192 83:126 84:17 128:89 129:171 130:85
131:182 132:23 134:183 135:17 136:175 137:54
138:169 139:35 140:165 141:107 142:118 143:60
144:100 145:42 146:290 147:94 148:388 149:110
150:88 151:70 152:161 153:67 154:2 155:129
156:57 157:67 158:136 159:151 160:54 161:71
162:387 163:75 164:177 165:160 166:111 167:218
168:261 169:114 170:282 171:9 192:5565 193:2846
194:2078 195:1419 196:583 198:3660 199:3258 200:3657
201:11 202:4793 203:5654 204:3132 205:2069 206:2279
207:2506 208:2157 209:3061 210:1421 211:574 212:995
213:1201 214:86 215:30 216:3771 217:992 218:177
219:127 220:247 221:30 222:131
End of report
