[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 Fri 01 Jul, 2005
Analysis Summary
----------------
BGP routing table entries examined: 165752
Prefixes after maximum aggregation: 95956
Unique aggregates announced to Internet: 80292
Total ASes present in the Internet Routing Table: 19974
Origin-only ASes present in the Internet Routing Table: 17393
Origin ASes announcing only one prefix: 8192
Transit ASes present in the Internet Routing Table: 2581
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 30
Prefixes from unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1389700320
Equivalent to 82 /8s, 213 /16s and 36 /24s
Percentage of available address space announced: 37.5
Percentage of allocated address space announced: 57.6
Percentage of available address space allocated: 65.1
Total number of prefixes smaller than registry allocations: 78487
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 34379
Total APNIC prefixes after maximum aggregation: 16108
Prefixes being announced from the APNIC address blocks: 32207
Unique aggregates announced from the APNIC address blocks: 16350
APNIC Region origin ASes present in the Internet Routing Table: 2302
APNIC Region origin ASes announcing only one prefix: 673
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 188396672
Equivalent to 11 /8s, 58 /16s and 180 /24s
Percentage of available APNIC address space announced: 69.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
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: 89037
Total ARIN prefixes after maximum aggregation: 54216
Prefixes being announced from the ARIN address blocks: 69580
Unique aggregates announced from the ARIN address blocks: 25576
ARIN Region origin ASes present in the Internet Routing Table: 10041
ARIN Region origin ASes announcing only one prefix: 3698
ARIN Region transit ASes present in the Internet Routing Table: 940
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 251577856
Equivalent to 14 /8s, 254 /16s and 198 /24s
Percentage of available ARIN address space announced: 62.5
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 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
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 31607
Total RIPE prefixes after maximum aggregation: 21735
Prefixes being announced from the RIPE address blocks: 28728
Unique aggregates announced from the RIPE address blocks: 19308
RIPE Region origin ASes present in the Internet Routing Table: 6810
RIPE Region origin ASes announcing only one prefix: 3591
RIPE Region transit ASes present in the Internet Routing Table: 1124
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 210644800
Equivalent to 12 /8s, 142 /16s and 47 /24s
Percentage of available RIPE address space announced: 73.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839
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: 9060
Total LACNIC prefixes after maximum aggregation: 3123
Prefixes being announced from the LACNIC address blocks: 7432
Unique aggregates announced from the LACNIC address blocks: 4328
LACNIC Region origin ASes present in the Internet Routing Table: 622
LACNIC Region origin ASes announcing only one prefix: 190
LACNIC Region transit ASes present in the Internet Routing Table: 115
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 20410400
Equivalent to 1 /8s, 55 /16s and 112 /24s
Percentage of available LACNIC address space announced: 30.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1647
Total AfriNIC prefixes after maximum aggregation: 774
Prefixes being announced from the AfriNIC address blocks: 1023
Unique aggregates announced from the AfriNIC address blocks: 782
AfriNIC Region origin ASes present in the Internet Routing Table: 132
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2314496
Equivalent to 0 /8s, 35 /16s and 81 /24s
Percentage of available AfriNIC address space announced: 6.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 917 5152 194 CHINANET-BACKBONE
1221 760 1454 536 Telstra Pty Ltd
9583 756 55 81 Sify Limited
4755 647 248 146 Videsh Sanchar Nigam Ltd. Aut
4766 591 3413 279 Korea Telecom (KIX)
7545 475 102 69 TPG Internet Pty Ltd
17676 436 6589 75 Softbank BB Corp.
9443 374 77 76 Primus Telecommunications
9929 374 221 48 China Netcom Corp.
10036 348 65 311 C&M Communication Co. Ltd.
2907 338 1805 315 SINET Japan
9498 324 83 61 BHARTI BT INTERNET LTD.
7474 313 272 216 SingTel Optus Pty Ltd
4802 286 50 163 Wantree Development
17557 284 21 156 Pakistan Telecom
4808 282 243 159 CNCGROUP IP network: China169
9837 280 80 184 Powertel Ltd
18302 274 109 156 SK Global co., Ltd
17974 267 65 14 PT TELEKOMUNIKASI INDONESIA
17488 258 15 18 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1489 6429 965 AT&T WorldNet Services
174 1145 5808 1064 Cogent Communications
4323 1115 631 216 Time Warner Telecom
721 1111 21787 313 DLA Systems Automation Center
701 1013 8168 855 UUNET Technologies, Inc.
6197 934 519 434 BellSouth Network Solutions,
1239 885 2900 637 Sprint
2386 882 526 649 AT&T Data Communications Serv
18566 825 224 7 Covad Communications
20115 649 497 321 Charter Communications
209 629 3507 496 Qwest
3356 558 10791 427 Level 3 Communications, LLC
27364 555 44 18 Armstrong Cable Services
3602 542 123 102 Sprint Canada, Inc.
852 540 1093 387 Telus Advanced Communications
3561 538 2385 422 Savvis
22773 498 1188 23 Cox Communications, Inc.
7725 496 60 15 MediaOne
5668 488 115 25 CenturyTel Internet Holdings,
6198 463 424 219 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 592 1999 484 UUNET - Commercial IP service
3320 305 3232 242 Deutsche Telekom AG
3301 299 1081 286 TeliaNet Sweden
8220 267 469 262 COLT Telecommunications
680 244 2041 240 DFN-IP service G-WiN
8708 231 254 213 Romania Data Systems S.A.
3246 225 488 220 Song Networks
1257 194 712 172 SWIPnet Swedish IP Network
5515 180 778 127 Sonera Solution Autonomous Sy
786 175 1794 175 The JANET IP Service
6746 171 48 149 Dynamic Network Technologies,
5400 170 286 143 BT Ignite European Backbone
3269 169 1520 72 TELECOM ITALIA
719 167 340 100 LANLINK autonomous system
8866 159 21 11 Bulgarian Telecommunication C
3300 154 184 87 AUCS Communications Services
6830 149 537 31 UPC Distribution Services
9121 146 274 41 TTnet Autonomous System
25186 140 145 97 France Telecom Transpac's Tra
3352 139 1272 35 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 378 600 162 UniNet S.A. de C.V.
16814 264 16 12 NSS, S.A.
11172 222 98 53 Servicios Alestra S.A de C.V
11664 205 19 23 Keytech SA
6147 197 110 21 Telefonica Del Peru
14117 152 9 5 Telefonica del Sur S.A.
7303 150 69 18 Telecom Argentina Stet-France
19632 140 14 5 Metropolis Intercom S.A.
22047 133 112 7 VTR PUNTO NET S.A.
6505 131 90 88 Global One Communicaoes Ltda
11556 131 64 3 Cable-Wireless Panama
19169 113 7 23 Telconet
18822 110 7 14 TELEFONICA MANQUEHUE
13999 107 52 9 Mega Cable S.A. de C.V.
6503 101 146 72 AVANTEL, S.A.
10481 101 40 7 Prima S.A.
23216 97 24 23 RAMtelecom Telecomunicaciones
22927 96 73 25 TELEFONICA DE ARGENTINA
21826 95 13 20 INTERCABLE
5639 94 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 637 223 The Internet Solution
5536 120 15 17 Internet Egypt Network
8452 93 28 6 TEDATA
2018 91 295 86 Tertiary Education Network
20928 82 16 2 Noor Advanced Technologies AS
2905 75 266 67 The Internetworking Company o
6713 59 54 8 Itissalat Al-MAGHRIB
24835 57 34 6 RAYA Telecom - Egypt
12455 40 6 3 Jambonet Autonomous system
5713 36 142 29 Telkom SA Ltd
15475 36 84 4 Nile Online
9129 31 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
21491 18 1 1 UTL On-line is RF broadband I
23889 18 5 7 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1115 899 Time Warner Telecom
18566 825 818 Covad Communications
721 1111 798 DLA Systems Automation Center
4134 917 723 CHINANET-BACKBONE
9583 756 675 Sify Limited
27364 555 537 Armstrong Cable Services
4755 647 501 Videsh Sanchar Nigam Ltd. Aut
6197 934 500 BellSouth Network Solutions,
7725 496 481 MediaOne
22773 498 475 Cox Communications, Inc.
5668 488 463 CenturyTel Internet Holdings,
3602 542 440 Sprint Canada, Inc.
7545 475 406 TPG Internet Pty Ltd
17676 436 361 Softbank BB Corp.
6467 382 348 E.Spire Communications, Inc.
6140 404 329 ImpSat
20115 649 328 Charter Communications
9929 374 326 China Netcom Corp.
4766 591 312 Korea Telecom (KIX)
19262 419 306 Verizon Global Networks
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65050 PRIVATE 168.96.148.0/24 6140 ImpSat
65507 PRIVATE 200.0.64.0/24 27750 Cooperación Latino A
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.7.0/24 28477 Universidad Autonoma
64512 PRIVATE 200.61.62.0/23 11664 Keytech SA
64512 PRIVATE 200.80.154.0/23 11664 Keytech SA
65201 PRIVATE 201.30.243.0/24 4230 Embratel
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
50.160.0.0/13 1221 Telstra Pty Ltd
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
172.32.0.0/24 7011 Citizens Utilities
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
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
192.169.0.0/23 3970 RGnet, Inc.
192.172.0.0/19 721 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 /8:17 /9:3 /10:8 /11:15 /12:74
/13:161 /14:312 /15:595 /16:8433 /17:2612 /18:4468
/19:10468 /20:11352 /21:9354 /22:12783 /23:13781 /24:90326
/25:338 /26:306 /27:170 /28:44 /29:30 /30:69
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 809 825 Covad Communications
6197 762 934 BellSouth Network Solutions,
7018 693 1489 AT&T WorldNet Services
2386 597 882 AT&T Data Communications Serv
9583 574 756 Sify Limited
27364 546 555 Armstrong Cable Services
4323 537 1115 Time Warner Telecom
7725 467 496 MediaOne
4766 409 591 Korea Telecom (KIX)
5668 401 488 CenturyTel Internet Holdings,
1239 368 885 Sprint
702 365 592 UUNET - Commercial IP service
6198 338 463 BellSouth Network Solutions,
10036 338 348 C&M Communication Co. Ltd.
7011 319 370 Citizens Utilities
9929 293 374 China Netcom Corp.
15270 289 314 PaeTec.net -a division of Pae
6517 283 305 Yipes Communications, Inc.
20115 281 649 Charter Communications
11456 274 312 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:21 9:1 12:1545 13:1 15:9
16:2 17:3 18:3 20:4 24:1178 30:2
32:69 33:4 38:133 40:54 44:3 47:2
52:4 55:2 56:3 57:24 58:120 59:51
60:66 61:790 62:636 63:1889 64:2764 65:2084
66:2921 67:605 68:540 69:1086 70:122 71:11
72:248 80:594 81:577 82:437 83:280 84:208
85:271 86:37 128:175 129:172 130:87 131:297
132:38 133:1 134:144 135:44 136:135 137:73
138:168 139:59 140:266 141:104 142:149 143:145
144:193 145:32 146:288 147:107 148:303 149:171
150:107 151:65 152:107 153:88 154:4 155:143
156:74 157:100 158:160 159:168 160:77 161:68
162:208 163:93 164:209 165:177 166:153 167:242
168:436 169:140 170:319 171:8 172:1 190:1
192:5704 193:3193 194:2410 195:1576 196:664 198:3902
199:3293 200:4056 201:177 202:5779 203:6357 204:3770
205:2006 206:2450 207:2814 208:2079 209:3316 210:1721
211:859 212:1228 213:1305 214:265 215:31 216:3443
217:1138 218:207 219:139 220:387 221:235 222:115
End of report
