[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 Wed 29 Dec, 2004
Analysis Summary
----------------
BGP routing table entries examined: 153245
Prefixes after maximum aggregation: 89921
Unique aggregates announced to Internet: 73505
Total ASes present in the Internet Routing Table: 18701
Origin-only ASes present in the Internet Routing Table: 16226
Origin ASes announcing only one prefix: 7611
Transit ASes present in the Internet Routing Table: 2475
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 20
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: 1361484132
Equivalent to 81 /8s, 38 /16s and 153 /24s
Percentage of available address space announced: 36.7
Percentage of allocated address space announced: 59.4
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 71001
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 30025
Total APNIC prefixes after maximum aggregation: 14763
Prefixes being announced from the APNIC address blocks: 28076
Unique aggregates announced from the APNIC address blocks: 14454
APNIC Region origin ASes present in the Internet Routing Table: 2175
APNIC Region origin ASes announcing only one prefix: 648
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 170489600
Equivalent to 10 /8s, 41 /16s and 119 /24s
Percentage of available APNIC address space announced: 77.8
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: 86348
Total ARIN prefixes after maximum aggregation: 52127
Prefixes being announced from the ARIN address blocks: 66120
Unique aggregates announced from the ARIN address blocks: 23920
ARIN Region origin ASes present in the Internet Routing Table: 9781
ARIN Region origin ASes announcing only one prefix: 3524
ARIN Region transit ASes present in the Internet Routing Table: 967
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 236440576
Equivalent to 14 /8s, 23 /16s and 204 /24s
Percentage of available ARIN address space announced: 70.5
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, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28744
Total RIPE prefixes after maximum aggregation: 19937
Prefixes being announced from the RIPE address blocks: 25683
Unique aggregates announced from the RIPE address blocks: 16924
RIPE Region origin ASes present in the Internet Routing Table: 6164
RIPE Region origin ASes announcing only one prefix: 3296
RIPE Region transit ASes present in the Internet Routing Table: 1061
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 183757568
Equivalent to 10 /8s, 243 /16s and 235 /24s
Percentage of available RIPE address space announced: 64.4
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: 6829
Total LACNIC prefixes after maximum aggregation: 2394
Prefixes being announced from the LACNIC address blocks: 6691
Unique aggregates announced from the LACNIC address blocks: 4105
LACNIC Region origin ASes present in the Internet Routing Table: 410
LACNIC Region origin ASes announcing only one prefix: 120
LACNIC Region transit ASes present in the Internet Routing Table: 75
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 17038336
Equivalent to 1 /8s, 3 /16s and 252 /24s
Percentage of available LACNIC address space announced: 50.8
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1292
Total AfriNIC prefixes after maximum aggregation: 700
Prefixes being announced from the AfriNIC address blocks: 863
Unique aggregates announced from the AfriNIC address blocks: 683
AfriNIC Region origin ASes present in the Internet Routing Table: 95
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: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2100480
Equivalent to 0 /8s, 32 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 12.5
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 872 4609 166 Data Communications Bureau
1221 792 1184 566 Telstra Pty Ltd
9583 562 47 29 Satyam Infoway Ltd.,
4766 552 3409 270 Korea Internet Exchange for "
4755 432 176 88 Videsh Sanchar Nigam Ltd. Aut
17676 390 5852 60 XTAGE CORPORATION
9443 362 71 77 Primus Telecommunications
2907 356 1857 329 SINET Japan
9929 354 164 40 China Netcom Corp.
703 319 344 248 UUNET
17557 307 22 150 Pakistan Telecom
10036 294 27 270 C&M Communication Co. Ltd.
2764 285 272 228 connect.com.au pty ltd
7474 274 267 203 Optus Communications Pty Ltd
9800 235 381 74 CHINA UNICOM
4802 231 28 140 Wantree Development
9498 230 81 54 BHARTI BT INTERNET LTD.
4814 226 232 6 China Telecom (Group)
7563 226 48 164 Korea Internet Infrastructure
9942 207 71 117 COMindico Australia
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1426 6571 985 AT&T WorldNet Services
701 1099 8357 896 UUNET Technologies, Inc.
721 1076 21854 302 DLA Systems Automation Center
1239 934 2882 624 Sprint
2386 854 528 607 AT&T Data Communications Serv
6197 824 384 354 BellSouth Network Solutions,
4323 819 670 223 Time Warner Telecom
18566 756 208 6 Covad Communications
209 654 3405 502 Qwest
3356 614 10889 449 Level 3 Communications, LLC
20115 564 466 302 Charter Communications
3561 549 2369 416 Cable & Wireless USA
852 523 1126 398 Telus Advanced Communications
7843 482 729 100 Adelphia Corp.
6478 467 814 97 AT&T Worldnet Services
6198 450 388 200 BellSouth Network Solutions,
7132 449 8275 382 SBC Internet Services
27364 442 44 20 Armstrong Cable Services
5668 424 87 18 Century Telephone
22909 419 907 65 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 626 2023 517 UUNET - Commercial IP service
3320 294 2992 232 Deutsche Telekom AG
3301 286 1112 274 TeliaNet Sweden
8220 277 464 265 COLT Internet - International
21502 272 40 3 NUMERICABLE is a cabled netwo
680 251 2025 239 DFN-IP service G-WiN
3246 223 483 219 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
8708 207 118 191 Romania Data Systems S.A.
1257 203 708 169 SWIPnet Swedish IP Network
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 176 998 76 France Telecom Transpac
6746 168 47 136 Dynamic Network Technologies,
8866 162 18 21 Bulgarian Telecommunication C
719 159 322 104 LANLINK autonomous system
3269 158 1360 69 TELECOM ITALIA
3300 153 165 77 AUCS Communications Services
25186 143 138 99 France Telecom Transpac's Tra
5400 135 216 118 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 354 140 69 ImpSat
8151 329 473 141 UniNet S.A. de C.V.
16814 234 14 6 NSS, S.A.
11172 217 99 55 Servicios Alestra S.A de C.V
11664 189 19 28 Keytech SA
6147 184 94 20 Telefonica Del Peru
7303 167 68 20 Telecom Argentina Stet-France
6505 140 90 96 Global One Communicaoes Ltda
6503 128 148 85 AVANTEL, S.A.
11992 102 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 84 7 25 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
13999 81 52 9 Mega Cable S.A. de C.V.
4270 80 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
5639 77 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 269 636 226 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 76 271 69 The Internetworking Company o
20928 72 16 2 Noor Advanced Technologies AS
24835 48 34 7 RAYA Telecom - Egypt
8452 35 20 5 TEDATA
6713 34 38 9 Itissalat Al-MAGHRIB
9129 34 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
12455 27 7 4 Jambonet Autonomous system
8524 25 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 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21491 14 1 3 UTL On-line is RF broadband I
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1076 774 DLA Systems Automation Center
18566 756 750 Covad Communications
4134 872 706 Data Communications Bureau
4323 819 596 Time Warner Telecom
9583 562 533 Satyam Infoway Ltd.,
6197 824 470 BellSouth Network Solutions,
27364 442 422 Armstrong Cable Services
5668 424 406 Century Telephone
22773 416 393 Cox Communications, Inc. Atla
7843 482 382 Adelphia Corp.
6478 467 370 AT&T Worldnet Services
22909 419 354 Comcast Cable Corporation
6467 376 345 E.Spire Communications, Inc.
4755 432 344 Videsh Sanchar Nigam Ltd. Aut
17676 390 330 XTAGE CORPORATION
9929 354 314 China Netcom Corp.
1239 934 310 Sprint
13609 328 294 Choice One Communications Inc
4355 393 292 EarthLink, Inc.
9443 362 285 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
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.
65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group
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
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 /11:15 /12:59
/13:140 /14:314 /15:563 /16:8218 /17:2336 /18:4029
/19:10025 /20:10639 /21:8188 /22:11359 /23:12905 /24:83536
/25:255 /26:231 /27:127 /28:60 /29:36 /30:131
/31:0 /32:50
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 741 756 Covad Communications
6197 670 824 BellSouth Network Solutions,
2386 627 854 AT&T Data Communications Serv
7018 584 1426 AT&T WorldNet Services
27364 427 442 Armstrong Cable Services
9583 386 562 Satyam Infoway Ltd.,
702 382 626 UUNET - Commercial IP service
4766 372 552 Korea Internet Exchange for "
1239 371 934 Sprint
5668 367 424 Century Telephone
6198 327 450 BellSouth Network Solutions,
10036 294 294 C&M Communication Co. Ltd.
6517 291 314 Yipes Communications, Inc.
13609 286 328 Choice One Communications Inc
6467 285 376 E.Spire Communications, Inc.
9929 283 354 China Netcom Corp.
701 282 1099 UUNET Technologies, Inc.
21502 269 272 NUMERICABLE is a cabled netwo
4323 266 819 Time Warner Telecom
11456 258 303 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1461 13:1 15:5 16:2
17:3 18:3 20:4 24:716 32:67 33:3
38:84 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:1 60:12 61:683 62:496
63:1854 64:2522 65:2085 66:2531 67:478 68:517
69:853 70:49 71:1 72:21 80:528 81:606
82:379 83:210 84:74 85:43 128:107 129:164
130:89 131:193 132:36 134:178 135:30 136:186
137:69 138:163 139:35 140:186 141:108 142:135
143:122 144:159 145:41 146:283 147:88 148:262
149:129 150:92 151:62 152:118 153:70 154:2
155:134 156:62 157:71 158:146 159:162 160:63
161:60 162:383 163:84 164:222 165:178 166:125
167:222 168:366 169:131 170:313 171:8 192:5650
193:3021 194:2220 195:1542 196:597 198:3889 199:3308
200:3992 201:43 202:5019 203:5839 204:3586 205:2104
206:2307 207:2532 208:2109 209:3052 210:1549 211:725
212:1168 213:1253 214:232 215:31 216:3741 217:1095
218:178 219:91 220:306 221:93 222:30
End of report
