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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 07 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 183425
Prefixes after maximum aggregation: 101881
Unique aggregates announced to Internet: 89256
Total ASes present in the Internet Routing Table: 21661
Origin-only ASes present in the Internet Routing Table: 18819
Origin ASes announcing only one prefix: 8939
Transit ASes present in the Internet Routing Table: 2842
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 29
Prefixes from unregistered ASNs in the Routing Table: 75
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1507597920
Equivalent to 89 /8s, 220 /16s and 30 /24s
Percentage of available address space announced: 40.7
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 89579
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38726
Total APNIC prefixes after maximum aggregation: 16305
Prefixes being announced from the APNIC address blocks: 36533
Unique aggregates announced from the APNIC address blocks: 17717
APNIC Region origin ASes present in the Internet Routing Table: 2489
APNIC Region origin ASes announcing only one prefix: 693
APNIC Region transit ASes present in the Internet Routing Table: 388
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 216545760
Equivalent to 12 /8s, 232 /16s and 57 /24s
Percentage of available APNIC address space announced: 67.7
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, 121/8, 122/7, 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: 96176
Total ARIN prefixes after maximum aggregation: 56801
Prefixes being announced from the ARIN address blocks: 75424
Unique aggregates announced from the ARIN address blocks: 28722
ARIN Region origin ASes present in the Internet Routing Table: 10564
ARIN Region origin ASes announcing only one prefix: 3946
ARIN Region transit ASes present in the Internet Routing Table: 968
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 290173184
Equivalent to 17 /8s, 75 /16s and 177 /24s
Percentage of available ARIN address space announced: 72.1
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: 36279
Total RIPE prefixes after maximum aggregation: 24397
Prefixes being announced from the RIPE address blocks: 33266
Unique aggregates announced from the RIPE address blocks: 22504
RIPE Region origin ASes present in the Internet Routing Table: 7719
RIPE Region origin ASes announcing only one prefix: 4035
RIPE Region transit ASes present in the Internet Routing Table: 1299
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 241163904
Equivalent to 14 /8s, 95 /16s and 222 /24s
Percentage of available RIPE address space announced: 71.9
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, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10222
Total LACNIC prefixes after maximum aggregation: 3493
Prefixes being announced from the LACNIC address blocks: 8405
Unique aggregates announced from the LACNIC address blocks: 5096
LACNIC Region origin ASes present in the Internet Routing Table: 677
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 25675264
Equivalent to 1 /8s, 135 /16s and 198 /24s
Percentage of available LACNIC address space announced: 38.3
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: 1941
Total AfriNIC prefixes after maximum aggregation: 885
Prefixes being announced from the AfriNIC address blocks: 1303
Unique aggregates announced from the AfriNIC address blocks: 906
AfriNIC Region origin ASes present in the Internet Routing Table: 146
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3788288
Equivalent to 0 /8s, 57 /16s and 206 /24s
Percentage of available AfriNIC address space announced: 11.3
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 988 6928 208 CHINANET-BACKBONE
4755 873 258 70 Videsh Sanchar Nigam Ltd. Aut
9583 861 109 16 Sify Limited
4766 698 3924 300 Korea Telecom (KIX)
1221 655 1428 469 Telstra Pty Ltd
9498 572 212 73 BHARTI BT INTERNET LTD.
7545 517 108 70 TPG Internet Pty Ltd
17488 516 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 411 94 85 Primus Telecommunications
4802 369 75 160 Wantree Development
2907 339 1747 316 SINET Japan
18101 331 68 23 Reliance Infocom Ltd Internet
9929 324 216 51 China Netcom Corp.
17974 324 76 37 PT TELEKOMUNIKASI INDONESIA
17557 320 25 163 Pakistan Telecom
17849 309 20 106 Telecommunications Technology
7474 303 211 230 SingTel Optus Pty Ltd
4780 280 226 16 Digital United Inc.
9837 271 78 167 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1484 6247 960 AT&T WorldNet Services
4323 1226 711 234 Time Warner Telecom
721 1011 21946 307 DLA Systems Automation Center
6197 997 612 464 BellSouth Network Solutions,
174 978 5786 923 Cogent Communications
701 950 8064 785 UUNET Technologies, Inc.
18566 916 272 8 Covad Communications
2386 888 521 672 AT&T Data Communications Serv
1239 853 2790 604 Sprint
19029 772 152 113 New Edge Networks
209 695 3608 541 Qwest
20115 668 585 360 Charter Communications
19262 659 1923 153 Verizon Global Networks
22773 638 1480 40 Cox Communications, Inc.
11492 634 86 21 Cable One
6198 582 502 238 BellSouth Network Solutions,
852 573 1088 383 Telus Advanced Communications
855 570 244 64 Canadian Research Network
19916 563 49 54 OLM LLC
7011 552 195 367 Citizens Utilities
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 585 1952 460 UUNET - Commercial IP service
3301 307 1071 292 TeliaNet Sweden
3352 305 1532 31 Ibernet, Internet Access Netw
8220 289 475 268 COLT Telecommunications
3320 277 3477 231 Deutsche Telekom AG
680 244 2025 241 DFN-IP service G-WiN
3246 229 487 219 Song Networks
6746 222 88 194 Dynamic Network Technologies,
8708 220 274 202 Romania Data Systems S.A.
1257 204 712 173 SWIPnet Swedish IP Network
8551 202 197 24 Bezeq International
3269 191 2037 73 TELECOM ITALIA
3215 181 1494 87 France Telecom Transpac
5515 177 839 124 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
24863 171 38 9 LINKdotNET AS number
5400 167 328 136 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
8866 166 37 12 Bulgarian Telecommunication C
3300 163 170 91 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 577 1065 221 UniNet S.A. de C.V.
22047 383 142 10 VTR PUNTO NET S.A.
11172 312 111 81 Servicios Alestra S.A de C.V
16814 284 18 7 NSS, S.A.
14117 184 11 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 131 80 4 Cable-Wireless Panama
19169 122 8 32 Telconet
10481 121 48 8 Prima S.A.
6503 118 148 74 AVANTEL, S.A.
21826 118 15 20 INTERCABLE
5639 114 12 9 Telecommunications Services o
6505 108 88 80 Global One Communicaoes Ltda
18822 99 8 10 TELEFONICA MANQUEHUE
23216 99 20 7 RAMtelecom Telecomunicaciones
14522 98 12 8 SatNet S.A.
25620 97 6 3 COTAS LTDA
7315 96 6 3 Grupo Rey Moreno
19429 94 52 43 E.T.B.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 819 234 The Internet Solution
8452 160 60 7 TEDATA
2018 122 298 103 Tertiary Education Network
5536 122 8 18 Internet Egypt Network
15475 116 84 4 Nile Online
6713 106 103 12 Itissalat Al-MAGHRIB
2905 74 155 67 The Internetworking Company o
24835 62 50 7 RAYA Telecom - Egypt
20928 58 16 2 Noor Advanced Technologies AS
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
12455 26 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
2561 19 6 2 Egyptian Universities Network
21280 19 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1226 992 Time Warner Telecom
18566 916 908 Covad Communications
9583 861 845 Sify Limited
4755 873 803 Videsh Sanchar Nigam Ltd. Aut
4134 988 780 CHINANET-BACKBONE
721 1011 704 DLA Systems Automation Center
19029 772 659 New Edge Networks
11492 634 613 Cable One
22773 638 598 Cox Communications, Inc.
6197 997 533 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 516 509 Hathway IP Over Cable Interne
19262 659 506 Verizon Global Networks
855 570 506 Canadian Research Network
9498 572 499 BHARTI BT INTERNET LTD.
5668 520 495 CenturyTel Internet Holdings,
7757 469 450 AT&T Broadband
7545 517 447 TPG Internet Pty Ltd
3602 528 421 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
65518 PRIVATE 211.144.192.0/19 24421 *
65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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 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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 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 /9:9 /10:8 /11:23 /12:90
/13:203 /14:353 /15:700 /16:8731 /17:3103 /18:5123
/19:11372 /20:12738 /21:10885 /22:13995 /23:15194 /24:99859
/25:371 /26:276 /27:215 /28:63 /29:24 /30:33
/31:3 /32:36
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 899 916 Covad Communications
6197 790 997 BellSouth Network Solutions,
7018 773 1484 AT&T WorldNet Services
19029 700 772 New Edge Networks
9583 681 861 Sify Limited
11492 625 634 Cable One
2386 613 888 AT&T Data Communications Serv
4323 592 1226 Time Warner Telecom
19916 557 563 OLM LLC
4766 507 698 Korea Telecom (KIX)
7011 469 552 Citizens Utilities
7757 451 469 AT&T Broadband
855 444 570 Canadian Research Network
6198 442 582 BellSouth Network Solutions,
5668 402 520 CenturyTel Internet Holdings,
1239 376 853 Sprint
702 368 585 UUNET - Commercial IP service
15270 352 382 PaeTec.net -a division of Pae
6517 344 373 Yipes Communications, Inc.
22773 334 638 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1636 13:1 15:12 16:3
17:3 18:4 20:44 24:868 25:1 30:2
32:67 38:203 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:106 59:175 60:187
61:819 62:765 63:1899 64:3086 65:2225 66:3097
67:603 68:674 69:1431 70:306 71:55 72:634
73:23 74:15 80:744 81:589 82:514 83:381
84:335 85:460 86:356 87:201 88:31 89:57
124:180 125:271 128:152 129:172 130:103 131:316
132:33 133:7 134:146 135:48 136:174 137:65
138:192 139:75 140:487 141:134 142:415 143:147
144:226 145:39 146:318 147:134 148:335 149:184
150:112 151:77 152:63 153:102 154:6 155:184
156:94 157:119 158:159 159:176 160:87 161:70
162:220 163:143 164:174 165:171 166:147 167:235
168:485 169:140 170:322 171:12 172:1 190:36
192:5764 193:3407 194:2519 195:1782 196:772 198:3887
199:3258 200:4193 201:590 202:6525 203:6889 204:3909
205:2098 206:2429 207:2926 208:2002 209:3745 210:1971
211:826 212:1280 213:1436 214:341 215:42 216:4043
217:1175 218:258 219:164 220:652 221:370 222:161
End of report
