[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 11 Apr, 2005
Analysis Summary
----------------
BGP routing table entries examined: 159474
Prefixes after maximum aggregation: 92899
Unique aggregates announced to Internet: 76641
Total ASes present in the Internet Routing Table: 19344
Origin-only ASes present in the Internet Routing Table: 16832
Origin ASes announcing only one prefix: 7853
Transit ASes present in the Internet Routing Table: 2512
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
Prefixes from unregistered ASNs in the Routing Table: 46
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1379697536
Equivalent to 82 /8s, 60 /16s and 131 /24s
Percentage of available address space announced: 37.2
Percentage of allocated address space announced: 58.4
Percentage of available address space allocated: 63.7
Total number of prefixes smaller than registry allocations: 74361
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32575
Total APNIC prefixes after maximum aggregation: 15389
Prefixes being announced from the APNIC address blocks: 30498
Unique aggregates announced from the APNIC address blocks: 15360
APNIC Region origin ASes present in the Internet Routing Table: 2258
APNIC Region origin ASes announcing only one prefix: 657
APNIC Region transit ASes present in the Internet Routing Table: 339
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 181101440
Equivalent to 10 /8s, 203 /16s and 99 /24s
Percentage of available APNIC address space announced: 67.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 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: 86664
Total ARIN prefixes after maximum aggregation: 52880
Prefixes being announced from the ARIN address blocks: 67577
Unique aggregates announced from the ARIN address blocks: 24800
ARIN Region origin ASes present in the Internet Routing Table: 9816
ARIN Region origin ASes announcing only one prefix: 3554
ARIN Region transit ASes present in the Internet Routing Table: 927
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 243905280
Equivalent to 14 /8s, 137 /16s and 179 /24s
Percentage of available ARIN address space announced: 69.2
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 30203
Total RIPE prefixes after maximum aggregation: 20927
Prefixes being announced from the RIPE address blocks: 27251
Unique aggregates announced from the RIPE address blocks: 18174
RIPE Region origin ASes present in the Internet Routing Table: 6508
RIPE Region origin ASes announcing only one prefix: 3424
RIPE Region transit ASes present in the Internet Routing Table: 1087
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 200799168
Equivalent to 11 /8s, 247 /16s and 243 /24s
Percentage of available RIPE address space announced: 70.4
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: 8560
Total LACNIC prefixes after maximum aggregation: 2997
Prefixes being announced from the LACNIC address blocks: 6982
Unique aggregates announced from the LACNIC address blocks: 4016
LACNIC Region origin ASes present in the Internet Routing Table: 610
LACNIC Region origin ASes announcing only one prefix: 192
LACNIC Region transit ASes present in the Internet Routing Table: 111
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 18037760
Equivalent to 1 /8s, 19 /16s and 60 /24s
Percentage of available LACNIC address space announced: 53.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1421
Total AfriNIC prefixes after maximum aggregation: 706
Prefixes being announced from the AfriNIC address blocks: 916
Unique aggregates announced from the AfriNIC address blocks: 732
AfriNIC Region origin ASes present in the Internet Routing Table: 99
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2202368
Equivalent to 0 /8s, 33 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 13.1
AfriNIC AS Blocks ERX transfers
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 899 4835 179 CHINANET-BACKBONE
1221 781 1193 555 Telstra Pty Ltd
9583 698 52 45 Sify Limited
4766 586 3415 275 Korea Telecom (KIX)
4755 554 244 123 Videsh Sanchar Nigam Ltd. Aut
7545 480 86 67 TPG Internet Pty Ltd
17676 427 6460 72 Softbank BB Corp.
9443 370 77 76 Primus Telecommunications
9929 358 175 45 China Netcom Corp.
2907 348 1839 322 SINET Japan
17557 337 24 153 Pakistan Telecom
10036 311 28 283 C&M Communication Co. Ltd.
4808 305 250 166 CNCGROUP IP network: China169
7474 295 268 213 SingTel Optus Pty Ltd
4802 282 47 166 Wantree Development
2764 263 238 201 AAPT Limited
9498 261 82 53 BHARTI BT INTERNET LTD.
703 256 279 210 UUNET - Commercial IP service
9800 238 386 69 CHINA UNICOM
17974 237 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1472 6530 964 AT&T WorldNet Services
721 1117 21747 313 DLA Systems Automation Center
4323 1092 663 220 Time Warner Telecom
174 1083 5584 921 Cogent Communications
701 1008 8281 857 UUNET Technologies, Inc.
1239 914 2877 661 Sprint
6197 879 376 413 BellSouth Network Solutions,
2386 841 532 622 AT&T Data Communications Serv
18566 788 224 7 Covad Communications
209 647 3475 500 Qwest
20115 603 498 309 Charter Communications
3356 585 10852 434 Level 3 Communications, LLC
3561 542 2370 415 Savvis
852 537 1079 396 Telus Advanced Communications
3602 508 121 93 Sprint Canada, Inc.
27364 504 43 18 Armstrong Cable Services
5668 483 115 25 CenturyTel Internet Holdings,
22773 475 1188 21 Cox Communications, Inc.
6198 458 380 215 BellSouth Network Solutions,
6467 445 143 35 E.Spire Communications, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 598 2003 489 UUNET - Commercial IP service
3320 302 2993 236 Deutsche Telekom AG
3301 298 1117 288 TeliaNet Sweden
8220 276 468 269 COLT Telecommunications
680 253 2041 238 DFN-IP service G-WiN
3246 232 476 226 Song Networks
8708 227 251 208 Romania Data Systems S.A.
1257 200 696 176 SWIPnet Swedish IP Network
5515 178 778 128 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3269 167 1472 73 TELECOM ITALIA
8866 166 21 12 Bulgarian Telecommunication C
6746 161 47 141 Dynamic Network Technologies,
719 157 322 99 LANLINK autonomous system
3300 152 184 85 AUCS Communications Services
5400 143 281 127 BT Ignite European Backbone
25186 139 137 97 France Telecom Transpac's Tra
6830 137 513 27 UPC Distribution Services
9051 128 8 34 INCONET Autonomous System
2856 127 2305 115 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 350 529 146 UniNet S.A. de C.V.
16814 266 16 7 NSS, S.A.
11172 217 99 53 Servicios Alestra S.A de C.V
6147 204 100 22 Telefonica Del Peru
19632 190 14 7 Metropolis Intercom S.A.
7303 156 68 25 Telecom Argentina Stet-France
11664 155 19 23 Keytech SA
6505 131 90 88 Global One Communicaoes Ltda
22047 122 96 6 VTR PUNTO NET S.A.
14117 119 8 4 Telefonica del Sur S.A.
6503 106 146 75 AVANTEL, S.A.
13999 103 52 9 Mega Cable S.A. de C.V.
18822 103 6 15 TELEFONICA MANQUEHUE
11556 99 49 5 Cable-Wireless Panama
19169 95 6 16 Telconet
23216 89 24 23 RAMtelecom Telecomunicaciones
11311 85 8 21 Sinectis S.A.
5639 84 12 9 Telecommunications Services o
10481 82 32 7 Prima S.A.
22927 79 65 20 TELEFONICA DE ARGENTINA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 116 15 21 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 90 16 2 Noor Advanced Technologies AS
2905 74 266 68 The Internetworking Company o
8452 64 20 5 TEDATA
24835 59 34 6 RAYA Telecom - Egypt
9129 42 3 3 UUNET Kenya
12455 42 7 5 Jambonet Autonomous system
5713 35 141 28 Telkom SA Ltd
6713 35 54 9 Itissalat Al-MAGHRIB
8524 24 1 4 AUCEGYPT Autonomous System
15475 22 84 4 Nile Online
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
21280 18 2 3 Swift Global Kenya Ltd.Is an
7460 17 3 4 LIA Internet Access
12258 17 3 11 Vodacom Internet Company
15808 16 1 1 Communication Solutions Ltd i
21491 16 1 3 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
0 0 65531 *
4323 1092 872 Time Warner Telecom
721 1117 804 DLA Systems Automation Center
18566 788 781 Covad Communications
4134 899 720 CHINANET-BACKBONE
9583 698 653 Sify Limited
27364 504 486 Armstrong Cable Services
6197 879 466 BellSouth Network Solutions,
5668 483 458 CenturyTel Internet Holdings,
22773 475 454 Cox Communications, Inc.
4755 554 431 Videsh Sanchar Nigam Ltd. Aut
3602 508 415 Sprint Canada, Inc.
7545 480 413 TPG Internet Pty Ltd
6467 445 410 E.Spire Communications, Inc.
17676 427 355 Softbank BB Corp.
6140 395 324 ImpSat
9929 358 313 China Netcom Corp.
4766 586 311 Korea Telecom (KIX)
20115 603 294 Charter Communications
9443 370 294 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
35899 UNALLOCATED 12.19.70.0/24 7018 AT&T WorldNet Servic
35864 UNALLOCATED 38.117.202.0/24 174 Cogent Communication
35884 UNALLOCATED 38.118.171.0/24 10912 InterNAP Network Ser
35894 UNALLOCATED 63.118.207.0/24 6128 Cablevision Systems
35884 UNALLOCATED 64.74.164.0/24 10912 InterNAP Network Ser
35884 UNALLOCATED 64.74.165.0/24 10912 InterNAP Network Ser
35884 UNALLOCATED 64.74.166.0/24 10912 InterNAP Network Ser
35884 UNALLOCATED 64.74.167.0/24 10912 InterNAP Network Ser
35892 UNALLOCATED 64.124.52.0/24 6461 AboveNet Communicati
35892 UNALLOCATED 64.125.105.0/24 6461 AboveNet Communicati
35892 UNALLOCATED 64.125.106.0/24 6461 AboveNet Communicati
35892 UNALLOCATED 64.125.110.0/24 6461 AboveNet Communicati
35890 UNALLOCATED 64.193.55.0/24 209 Qwest
35868 UNALLOCATED 65.88.163.192/26 6395 Broadwing Communicat
35871 UNALLOCATED 66.7.178.0/23 6517 Yipes Communications
35868 UNALLOCATED 68.143.179.64/26 6395 Broadwing Communicat
35895 UNALLOCATED 72.5.143.0/24 10910 InterNAP Network Ser
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
35857 UNALLOCATED 199.107.188.0/24 4323 Time Warner Telecom
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
65056 PRIVATE 200.47.114.0/23 11664 Keytech SA
35875 UNALLOCATED 204.117.76.0/24 1239 Sprint
35866 UNALLOCATED 206.13.80.0/24 7132 SBC Internet Service
35849 UNALLOCATED 206.170.102.0/24 174 Cogent Communication
35892 UNALLOCATED 208.184.1.0/24 6461 AboveNet Communicati
35850 UNALLOCATED 209.139.6.0/24 3356 Level 3 Communicatio
35850 UNALLOCATED 209.139.22.0/23 3356 Level 3 Communicatio
35850 UNALLOCATED 209.139.56.0/22 3356 Level 3 Communicatio
35850 UNALLOCATED 209.139.108.0/23 3356 Level 3 Communicatio
35850 UNALLOCATED 209.139.110.0/24 3356 Level 3 Communicatio
35850 UNALLOCATED 209.139.180.0/24 3356 Level 3 Communicatio
35892 UNALLOCATED 209.249.93.0/24 6461 AboveNet Communicati
35892 UNALLOCATED 209.249.94.0/24 6461 AboveNet Communicati
35892 UNALLOCATED 209.249.95.0/24 6461 AboveNet Communicati
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
35892 UNALLOCATED 216.14.0.0/19 6461 AboveNet Communicati
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
35892 UNALLOCATED 216.200.243.0/24 6461 AboveNet Communicati
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
172.32.0.0/24 7011 Citizens Utilities
172.122.28.0/24 210 Utah Education Network
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
192.172.0.0/19 721 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 /8:18 /9:3 /10:8 /11:15 /12:67
/13:152 /14:307 /15:576 /16:8339 /17:2507 /18:4299
/19:10187 /20:10894 /21:8757 /22:12091 /23:13179 /24:87179
/25:284 /26:267 /27:139 /28:72 /29:37 /30:66
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 772 788 Covad Communications
6197 724 879 BellSouth Network Solutions,
7018 654 1472 AT&T WorldNet Services
2386 596 841 AT&T Data Communications Serv
9583 519 698 Sify Limited
4323 508 1092 Time Warner Telecom
27364 491 504 Armstrong Cable Services
5668 403 483 CenturyTel Internet Holdings,
4766 402 586 Korea Telecom (KIX)
1239 380 914 Sprint
702 365 598 UUNET - Commercial IP service
6198 336 458 BellSouth Network Solutions,
6467 324 445 E.Spire Communications, Inc.
10036 311 311 C&M Communication Co. Ltd.
6517 290 313 Yipes Communications, Inc.
9929 282 358 China Netcom Corp.
7011 280 329 Citizens Utilities
11456 264 311 Carolina Online, Inc.
15270 252 272 PaeTec.net -a division of Pae
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 10:6 12:1519 13:1 15:9
16:2 17:3 18:4 20:4 24:796 28:2
31:1 32:63 33:4 38:105 40:53 44:8
47:2 50:1 52:12 54:1 55:3 56:3
57:23 58:37 59:22 60:17 61:748 62:574
63:1877 64:2657 65:2077 66:2740 67:516 68:508
69:962 70:84 71:6 72:131 80:540 81:531
82:373 83:225 84:145 85:160 128:137 129:160
130:89 131:281 132:34 133:1 134:145 135:41
136:191 137:67 138:164 139:56 140:193 141:106
142:137 143:130 144:172 145:32 146:280 147:102
148:293 149:169 150:98 151:63 152:107 153:87
154:4 155:144 156:69 157:89 158:167 159:172
160:73 161:60 162:200 163:87 164:207 165:160
166:154 167:227 168:413 169:137 170:312 171:8
172:2 192:5680 193:3146 194:2322 195:1537 196:638
198:3932 199:3266 200:4008 201:113 202:5470 203:6142
204:3817 205:2023 206:2441 207:2727 208:2076 209:3271
210:1688 211:833 212:1179 213:1268 214:272 215:31
216:3676 217:1160 218:186 219:103 220:373 221:165
222:74
End of report
