[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 08 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 156237
Prefixes after maximum aggregation: 90538
Unique aggregates announced to Internet: 74422
Total ASes present in the Internet Routing Table: 18934
Origin-only ASes present in the Internet Routing Table: 16450
Origin ASes announcing only one prefix: 7720
Transit ASes present in the Internet Routing Table: 2484
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 19
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 21
Number of addresses announced to Internet: 1372815180
Equivalent to 81 /8s, 211 /16s and 127 /24s
Percentage of available address space announced: 37.0
Percentage of allocated address space announced: 58.6
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 73216
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 30930
Total APNIC prefixes after maximum aggregation: 14890
Prefixes being announced from the APNIC address blocks: 28999
Unique aggregates announced from the APNIC address blocks: 14685
APNIC Region origin ASes present in the Internet Routing Table: 2202
APNIC Region origin ASes announcing only one prefix: 652
APNIC Region transit ASes present in the Internet Routing Table: 329
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 173008768
Equivalent to 10 /8s, 79 /16s and 231 /24s
Percentage of available APNIC address space announced: 64.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 87815
Total ARIN prefixes after maximum aggregation: 52292
Prefixes being announced from the ARIN address blocks: 67113
Unique aggregates announced from the ARIN address blocks: 24060
ARIN Region origin ASes present in the Internet Routing Table: 9856
ARIN Region origin ASes announcing only one prefix: 3590
ARIN Region transit ASes present in the Internet Routing Table: 955
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 240518400
Equivalent to 14 /8s, 86 /16s and 5 /24s
Percentage of available ARIN address space announced: 71.7
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, 29696-30719, 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: 29333
Total RIPE prefixes after maximum aggregation: 20246
Prefixes being announced from the RIPE address blocks: 26284
Unique aggregates announced from the RIPE address blocks: 17334
RIPE Region origin ASes present in the Internet Routing Table: 6286
RIPE Region origin ASes announcing only one prefix: 3328
RIPE Region transit ASes present in the Internet Routing Table: 1069
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 187357248
Equivalent to 11 /8s, 42 /16s and 216 /24s
Percentage of available RIPE address space announced: 65.7
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: 6815
Total LACNIC prefixes after maximum aggregation: 2395
Prefixes being announced from the LACNIC address blocks: 6688
Unique aggregates announced from the LACNIC address blocks: 4040
LACNIC Region origin ASes present in the Internet Routing Table: 418
LACNIC Region origin ASes announcing only one prefix: 126
LACNIC Region transit ASes present in the Internet Routing Table: 83
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17338368
Equivalent to 1 /8s, 8 /16s and 144 /24s
Percentage of available LACNIC address space announced: 51.7
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1326
Total AfriNIC prefixes after maximum aggregation: 715
Prefixes being announced from the AfriNIC address blocks: 888
Unique aggregates announced from the AfriNIC address blocks: 686
AfriNIC Region origin ASes present in the Internet Routing Table: 96
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2199808
Equivalent to 0 /8s, 33 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 13.1
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 883 4688 172 Data Communications Bureau
1221 781 1183 557 Telstra Pty Ltd
4766 592 3415 282 Korea Internet Exchange for "
9583 581 48 12 Satyam Infoway Ltd.,
4755 457 241 100 Videsh Sanchar Nigam Ltd. Aut
7545 424 86 69 TPG Internet Pty Ltd
17676 394 5916 62 XTAGE CORPORATION
9443 371 77 79 Primus Telecommunications
9929 350 164 35 China Netcom Corp.
2907 347 1838 322 SINET Japan
17557 324 23 149 Pakistan Telecom
10036 294 27 270 C&M Communication Co. Ltd.
7474 280 297 208 Optus Communications Pty Ltd
2764 271 254 218 connect.com.au pty ltd
703 269 339 210 UUNET
9800 237 383 75 CHINA UNICOM
4808 235 170 128 CHINANET core WAN North
9498 232 81 53 BHARTI BT INTERNET LTD.
4802 231 28 140 Wantree Development
17974 231 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1460 6606 983 AT&T WorldNet Services
721 1133 21803 316 DLA Systems Automation Center
701 1061 8319 904 UUNET Technologies, Inc.
4323 1033 672 220 Time Warner Telecom
7015 962 220 20 AT&T Broadband
1239 945 2879 624 Sprint
6197 857 370 401 BellSouth Network Solutions,
2386 819 506 606 AT&T Data Communications Serv
18566 765 208 6 Covad Communications
209 647 3404 498 Qwest
3356 595 10868 444 Level 3 Communications, LLC
3561 586 2370 416 Cable & Wireless USA
20115 573 476 305 Charter Communications
852 525 1126 399 Telus Advanced Communications
6478 501 821 97 AT&T Worldnet Services
3602 491 120 91 Sprint Canada, Inc.
22773 470 1090 24 Cox Communications, Inc. Atla
27364 468 44 18 Armstrong Cable Services
6198 455 472 204 BellSouth Network Solutions,
7132 443 8411 383 SBC Internet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 616 2023 508 UUNET - Commercial IP service
3320 295 2992 230 Deutsche Telekom AG
3301 289 1112 277 TeliaNet Sweden
8220 279 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 223 471 218 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
8708 213 119 194 Romania Data Systems S.A.
1257 206 710 172 SWIPnet Swedish IP Network
3215 189 1032 79 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
6746 176 47 142 Dynamic Network Technologies,
3300 169 184 84 AUCS Communications Services
8866 166 19 24 Bulgarian Telecommunication C
3269 161 1392 71 TELECOM ITALIA
719 159 322 105 LANLINK autonomous system
25186 141 138 99 France Telecom Transpac's Tra
5400 140 219 124 BT Ignite European Backbone
9051 127 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 359 140 70 ImpSat
8151 335 489 142 UniNet S.A. de C.V.
16814 234 14 6 NSS, S.A.
11172 217 99 54 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 150 19 24 Keytech SA
7303 149 68 22 Telecom Argentina Stet-France
6505 134 90 91 Global One Communicaoes Ltda
6503 115 147 80 AVANTEL, S.A.
14117 114 7 5 Telefonica del Sur S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
14420 88 6 43 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
13999 86 52 9 Mega Cable S.A. de C.V.
6535 85 7 23 Chilesat Servicios Empresari
10481 83 32 7 Prima S.A.
5639 81 8 8 Telecommunications Services o
4270 79 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 226 The Internet Solution
5536 113 15 17 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
20928 84 16 2 Noor Advanced Technologies AS
2905 76 272 70 The Internetworking Company o
24835 56 34 6 RAYA Telecom - Egypt
8452 38 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
9129 33 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
12455 27 7 4 Jambonet Autonomous system
8524 22 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
8346 15 11 15 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 3 UTL On-line is RF broadband I
15808 14 1 1 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7015 962 942 AT&T Broadband
721 1133 817 DLA Systems Automation Center
4323 1033 813 Time Warner Telecom
18566 765 759 Covad Communications
4134 883 711 Data Communications Bureau
9583 581 569 Satyam Infoway Ltd.,
6197 857 456 BellSouth Network Solutions,
27364 468 450 Armstrong Cable Services
22773 470 446 Cox Communications, Inc. Atla
5668 440 423 Century Telephone
6478 501 404 AT&T Worldnet Services
3602 491 400 Sprint Canada, Inc.
22909 422 358 Comcast Cable Corporation
4755 457 357 Videsh Sanchar Nigam Ltd. Aut
7545 424 355 TPG Internet Pty Ltd
6467 365 334 E.Spire Communications, Inc.
17676 394 332 XTAGE CORPORATION
1239 945 321 Sprint
9929 350 315 China Netcom Corp.
4766 592 310 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun
26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc.
65004 PRIVATE 200.0.113.0/24 28477 *
65004 PRIVATE 200.4.0.0/24 28477 *
65004 PRIVATE 200.4.1.0/24 28477 *
65004 PRIVATE 200.4.2.0/24 28477 *
65004 PRIVATE 200.4.3.0/24 28477 *
65004 PRIVATE 200.4.4.0/24 28477 *
65004 PRIVATE 200.4.5.0/24 28477 *
65004 PRIVATE 200.4.6.0/24 28477 *
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
172.212.0.0/16 1668 GNN Hosting Service
172.213.0.0/16 1668 GNN Hosting Service
172.214.0.0/16 1668 GNN Hosting Service
172.215.0.0/16 1668 GNN Hosting Service
172.216.0.0/16 1668 GNN Hosting Service
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
192.200.100.0/24 7018 AT&T WorldNet Services
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 /10:7 /11:14 /12:62
/13:146 /14:310 /15:565 /16:8289 /17:2391 /18:4084
/19:10069 /20:10685 /21:8487 /22:11848 /23:13014 /24:85384
/25:298 /26:258 /27:114 /28:49 /29:21 /30:81
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7015 926 962 AT&T Broadband
18566 750 765 Covad Communications
6197 702 857 BellSouth Network Solutions,
7018 626 1460 AT&T WorldNet Services
2386 592 819 AT&T Data Communications Serv
4323 478 1033 Time Warner Telecom
27364 453 468 Armstrong Cable Services
9583 409 581 Satyam Infoway Ltd.,
4766 405 592 Korea Internet Exchange for "
5668 375 440 Century Telephone
702 374 616 UUNET - Commercial IP service
1239 367 945 Sprint
6198 328 455 BellSouth Network Solutions,
10036 294 294 C&M Communication Co. Ltd.
13609 294 336 Choice One Communications Inc
6517 282 304 Yipes Communications, Inc.
6467 277 365 E.Spire Communications, Inc.
9929 275 350 China Netcom Corp.
701 267 1061 UUNET Technologies, Inc.
11456 263 310 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1485 13:1 15:6 16:2
17:3 18:4 20:4 24:1176 32:68 33:3
38:92 40:55 44:3 47:2 52:3 55:2
56:3 57:21 59:2 60:14 61:683 62:514
63:1863 64:2584 65:2135 66:2780 67:494 68:496
69:914 70:57 71:2 72:54 80:561 81:505
82:353 83:265 84:127 85:95 128:128 129:166
130:91 131:195 132:37 133:1 134:142 135:30
136:213 137:67 138:180 139:47 140:195 141:101
142:139 143:121 144:251 145:45 146:282 147:98
148:264 149:161 150:94 151:62 152:111 153:72
154:2 155:136 156:69 157:71 158:149 159:164
160:67 161:59 162:415 163:85 164:214 165:157
166:131 167:226 168:388 169:132 170:314 171:8
192:5681 193:3035 194:2258 195:1567 196:611 198:3839
199:3249 200:3944 201:50 202:5173 203:5996 204:3600
205:2035 206:2314 207:2666 208:2107 209:3093 210:1575
211:780 212:1148 213:1262 214:240 215:31 216:3702
217:1094 218:189 219:117 220:349 221:79 222:76
End of report
