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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 08 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 183630
Prefixes after maximum aggregation: 101930
Unique aggregates announced to Internet: 89317
Total ASes present in the Internet Routing Table: 21675
Origin-only ASes present in the Internet Routing Table: 18842
Origin ASes announcing only one prefix: 8940
Transit ASes present in the Internet Routing Table: 2833
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: 1508226912
Equivalent to 89 /8s, 229 /16s and 183 /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: 89703
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38739
Total APNIC prefixes after maximum aggregation: 16323
Prefixes being announced from the APNIC address blocks: 36536
Unique aggregates announced from the APNIC address blocks: 17717
APNIC Region origin ASes present in the Internet Routing Table: 2490
APNIC Region origin ASes announcing only one prefix: 695
APNIC Region transit ASes present in the Internet Routing Table: 387
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 216611552
Equivalent to 12 /8s, 233 /16s and 58 /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: 96196
Total ARIN prefixes after maximum aggregation: 56838
Prefixes being announced from the ARIN address blocks: 75457
Unique aggregates announced from the ARIN address blocks: 28741
ARIN Region origin ASes present in the Internet Routing Table: 10571
ARIN Region origin ASes announcing only one prefix: 3943
ARIN Region transit ASes present in the Internet Routing Table: 970
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 290196992
Equivalent to 17 /8s, 76 /16s and 14 /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: 36315
Total RIPE prefixes after maximum aggregation: 24362
Prefixes being announced from the RIPE address blocks: 33329
Unique aggregates announced from the RIPE address blocks: 22512
RIPE Region origin ASes present in the Internet Routing Table: 7723
RIPE Region origin ASes announcing only one prefix: 4038
RIPE Region transit ASes present in the Internet Routing Table: 1292
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 241316224
Equivalent to 14 /8s, 98 /16s and 49 /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: 10349
Total LACNIC prefixes after maximum aggregation: 3519
Prefixes being announced from the LACNIC address blocks: 8512
Unique aggregates announced from the LACNIC address blocks: 5117
LACNIC Region origin ASes present in the Internet Routing Table: 679
LACNIC Region origin ASes announcing only one prefix: 223
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 25890816
Equivalent to 1 /8s, 139 /16s and 16 /24s
Percentage of available LACNIC address space announced: 38.6
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: 1950
Total AfriNIC prefixes after maximum aggregation: 888
Prefixes being announced from the AfriNIC address blocks: 1306
Unique aggregates announced from the AfriNIC address blocks: 911
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: 3795712
Equivalent to 0 /8s, 57 /16s and 235 /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 871 258 70 Videsh Sanchar Nigam Ltd. Aut
9583 861 109 16 Sify Limited
4766 698 3924 300 Korea Telecom (KIX)
1221 649 1428 469 Telstra Pty Ltd
9498 571 212 72 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 414 95 82 Primus Telecommunications
4802 370 75 161 Wantree Development
2907 339 1747 316 SINET Japan
18101 331 68 23 Reliance Infocom Ltd Internet
17974 330 77 39 PT TELEKOMUNIKASI INDONESIA
9929 325 216 52 China Netcom Corp.
17557 318 25 163 Pakistan Telecom
17849 313 20 109 Telecommunications Technology
7474 303 211 230 SingTel Optus Pty Ltd
4780 280 226 16 Digital United Inc.
9837 270 77 166 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 1227 711 234 Time Warner Telecom
721 1012 21962 308 DLA Systems Automation Center
6197 999 613 465 BellSouth Network Solutions,
174 978 5786 923 Cogent Communications
701 954 8065 788 UUNET Technologies, Inc.
18566 916 272 8 Covad Communications
2386 873 520 666 AT&T Data Communications Serv
1239 855 2789 602 Sprint
19029 773 152 113 New Edge Networks
209 694 3608 540 Qwest
20115 668 585 360 Charter Communications
19262 660 1925 154 Verizon Global Networks
22773 638 1480 40 Cox Communications, Inc.
11492 636 86 20 Cable One
6198 584 502 238 BellSouth Network Solutions,
852 574 1088 383 Telus Advanced Communications
855 570 244 64 Canadian Research Network
7011 566 199 379 Citizens Utilities
19916 563 49 54 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 585 1952 460 UUNET - Commercial IP service
3301 306 1071 291 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 227 485 217 Song Networks
6746 223 88 195 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 182 1502 87 France Telecom Transpac
5515 177 839 124 Sonera Solution Autonomous Sy
24863 174 40 9 LINKdotNET AS number
786 173 1794 173 The JANET IP Service
5400 167 328 136 BT Ignite European Backbone
8866 167 37 13 Bulgarian Telecommunication C
6830 166 765 35 UPC Distribution Services
3300 163 170 91 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 578 1065 222 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
6503 123 149 76 AVANTEL, S.A.
19169 123 8 30 Telconet
10481 121 48 8 Prima S.A.
21826 115 15 28 INTERCABLE
5639 114 12 9 Telecommunications Services o
6505 108 88 80 Global One Communicaoes Ltda
23216 101 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
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 277 819 234 The Internet Solution
8452 160 60 7 TEDATA
15475 124 84 4 Nile Online
2018 122 298 103 Tertiary Education Network
5536 122 8 18 Internet Egypt Network
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 1227 993 Time Warner Telecom
18566 916 908 Covad Communications
9583 861 845 Sify Limited
4755 871 801 Videsh Sanchar Nigam Ltd. Aut
4134 988 780 CHINANET-BACKBONE
721 1012 704 DLA Systems Automation Center
19029 773 660 New Edge Networks
11492 636 616 Cable One
22773 638 598 Cox Communications, Inc.
6197 999 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 516 509 Hathway IP Over Cable Interne
19262 660 506 Verizon Global Networks
855 570 506 Canadian Research Network
9498 571 499 BHARTI BT INTERNET LTD.
5668 520 495 CenturyTel Internet Holdings,
7757 470 451 AT&T Broadband
7545 517 447 TPG Internet Pty Ltd
3602 530 423 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 /11:25 /12:87
/13:198 /14:350 /15:694 /16:8735 /17:3107 /18:5120
/19:11374 /20:12746 /21:10919 /22:14036 /23:15199 /24:99986
/25:368 /26:276 /27:213 /28:65 /29:25 /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 792 999 BellSouth Network Solutions,
7018 773 1484 AT&T WorldNet Services
19029 701 773 New Edge Networks
9583 681 861 Sify Limited
11492 627 636 Cable One
2386 598 873 AT&T Data Communications Serv
4323 593 1227 Time Warner Telecom
19916 557 563 OLM LLC
4766 507 698 Korea Telecom (KIX)
7011 483 566 Citizens Utilities
7757 452 470 AT&T Broadband
855 444 570 Canadian Research Network
6198 444 584 BellSouth Network Solutions,
5668 402 520 CenturyTel Internet Holdings,
1239 376 855 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 12:1624 13:1 15:12 16:3
17:3 18:4 20:44 24:868 25:1 30:2
32:67 38:204 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:106 59:175 60:187
61:825 62:772 63:1900 64:3101 65:2224 66:3097
67:605 68:675 69:1433 70:306 71:55 72:637
73:23 74:17 80:744 81:589 82:511 83:377
84:335 85:462 86:365 87:201 88:31 89:61
124:181 125:275 128:148 129:172 130:103 131:316
132:33 133:7 134:146 135:47 136:174 137:65
138:192 139:75 140:487 141:133 142:415 143:147
144:226 145:39 146:318 147:134 148:339 149:185
150:112 151:77 152:63 153:102 154:6 155:185
156:94 157:121 158:160 159:166 160:87 161:70
162:220 163:144 164:174 165:171 166:146 167:238
168:485 169:140 170:322 171:12 172:1 190:36
192:5767 193:3408 194:2519 195:1782 196:772 198:3888
199:3261 200:4225 201:609 202:6516 203:6885 204:3918
205:2097 206:2429 207:2929 208:2002 209:3743 210:1967
211:822 212:1284 213:1476 214:342 215:42 216:4042
217:1173 218:258 219:164 220:654 221:370 222:161
End of report
