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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 05 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 183491
Prefixes after maximum aggregation: 101886
Unique aggregates announced to Internet: 89214
Total ASes present in the Internet Routing Table: 21657
Origin-only ASes present in the Internet Routing Table: 18822
Origin ASes announcing only one prefix: 8934
Transit ASes present in the Internet Routing Table: 2835
Transit-only ASes present in the Internet Routing Table: 70
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: 79
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1507109216
Equivalent to 89 /8s, 212 /16s and 169 /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: 89712
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38651
Total APNIC prefixes after maximum aggregation: 16285
Prefixes being announced from the APNIC address blocks: 36458
Unique aggregates announced from the APNIC address blocks: 17702
APNIC Region origin ASes present in the Internet Routing Table: 2487
APNIC Region origin ASes announcing only one prefix: 690
APNIC Region transit ASes present in the Internet Routing Table: 385
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 216393184
Equivalent to 12 /8s, 229 /16s and 229 /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: 96242
Total ARIN prefixes after maximum aggregation: 56830
Prefixes being announced from the ARIN address blocks: 75549
Unique aggregates announced from the ARIN address blocks: 28712
ARIN Region origin ASes present in the Internet Routing Table: 10563
ARIN Region origin ASes announcing only one prefix: 3944
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: 290170368
Equivalent to 17 /8s, 75 /16s and 166 /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: 36319
Total RIPE prefixes after maximum aggregation: 24385
Prefixes being announced from the RIPE address blocks: 33324
Unique aggregates announced from the RIPE address blocks: 22493
RIPE Region origin ASes present in the Internet Routing Table: 7718
RIPE Region origin ASes announcing only one prefix: 4034
RIPE Region transit ASes present in the Internet Routing Table: 1295
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 241102720
Equivalent to 14 /8s, 94 /16s and 239 /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: 10244
Total LACNIC prefixes after maximum aggregation: 3505
Prefixes being announced from the LACNIC address blocks: 8420
Unique aggregates announced from the LACNIC address blocks: 5108
LACNIC Region origin ASes present in the Internet Routing Table: 679
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: 25676544
Equivalent to 1 /8s, 135 /16s and 203 /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: 1950
Total AfriNIC prefixes after maximum aggregation: 881
Prefixes being announced from the AfriNIC address blocks: 1298
Unique aggregates announced from the AfriNIC address blocks: 905
AfriNIC Region origin ASes present in the Internet Routing Table: 144
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3780096
Equivalent to 0 /8s, 57 /16s and 174 /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 863 259 71 Videsh Sanchar Nigam Ltd. Aut
9583 858 109 15 Sify Limited
4766 696 3923 298 Korea Telecom (KIX)
1221 655 1428 469 Telstra Pty Ltd
9498 538 212 73 BHARTI BT INTERNET LTD.
7545 516 108 69 TPG Internet Pty Ltd
17488 514 31 7 Hathway IP Over Cable Interne
17676 483 6997 106 Softbank BB Corp.
9443 411 94 85 Primus Telecommunications
4802 370 75 161 Wantree Development
2907 339 1747 316 SINET Japan
18101 331 68 23 Reliance Infocom Ltd Internet
9929 324 216 51 China Netcom Corp.
17557 320 25 163 Pakistan Telecom
17974 319 76 36 PT TELEKOMUNIKASI INDONESIA
17849 306 20 108 Telecommunications Technology
7474 303 211 231 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 1225 711 234 Time Warner Telecom
721 1016 21962 308 DLA Systems Automation Center
6197 998 612 464 BellSouth Network Solutions,
174 978 5786 923 Cogent Communications
701 951 8064 785 UUNET Technologies, Inc.
18566 916 272 8 Covad Communications
2386 890 522 674 AT&T Data Communications Serv
1239 856 2790 607 Sprint
19029 765 152 113 New Edge Networks
209 695 3608 541 Qwest
20115 669 585 361 Charter Communications
19262 659 1923 153 Verizon Global Networks
22773 638 1480 40 Cox Communications, Inc.
11492 635 86 19 Cable One
6198 582 502 238 BellSouth Network Solutions,
852 572 1072 382 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
702 584 1952 460 UUNET - Commercial IP service
3301 308 1071 293 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 221 274 203 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 180 1486 86 France Telecom Transpac
5515 177 839 124 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
24863 170 38 9 LINKdotNET AS number
5400 167 328 136 BT Ignite European Backbone
8866 167 37 12 Bulgarian Telecommunication C
6830 166 765 35 UPC Distribution Services
3300 164 170 92 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 123 8 30 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
23216 100 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 278 819 234 The Internet Solution
8452 160 60 7 TEDATA
15475 130 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 1225 991 Time Warner Telecom
18566 916 908 Covad Communications
9583 858 843 Sify Limited
4755 863 792 Videsh Sanchar Nigam Ltd. Aut
4134 988 780 CHINANET-BACKBONE
721 1016 708 DLA Systems Automation Center
19029 765 652 New Edge Networks
11492 635 616 Cable One
22773 638 598 Cox Communications, Inc.
6197 998 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 514 507 Hathway IP Over Cable Interne
19262 659 506 Verizon Global Networks
855 570 506 Canadian Research Network
5668 520 495 CenturyTel Internet Holdings,
9498 538 465 BHARTI BT INTERNET LTD.
7757 468 449 AT&T Broadband
7545 516 447 TPG Internet Pty Ltd
3602 529 422 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
65000 PRIVATE 142.46.72.0/24 30147 Simcoe Community Bro
65000 PRIVATE 142.46.73.0/24 30147 Simcoe Community Bro
65000 PRIVATE 142.46.74.0/24 30147 Simcoe Community Bro
65000 PRIVATE 142.46.82.0/24 30147 Simcoe Community Bro
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 /15:699 /16:8727 /17:3103 /18:5125
/19:11365 /20:12711 /21:10898 /22:14024 /23:15213 /24:99913
/25:367 /26:273 /27:216 /28:64 /29:24 /30:33
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 899 916 Covad Communications
6197 792 998 BellSouth Network Solutions,
7018 773 1484 AT&T WorldNet Services
19029 693 765 New Edge Networks
9583 678 858 Sify Limited
11492 626 635 Cable One
2386 614 890 AT&T Data Communications Serv
4323 591 1225 Time Warner Telecom
19916 557 563 OLM LLC
4766 505 696 Korea Telecom (KIX)
7011 469 552 Citizens Utilities
7757 450 468 AT&T Broadband
855 444 570 Canadian Research Network
6198 442 582 BellSouth Network Solutions,
5668 402 520 CenturyTel Internet Holdings,
1239 376 856 Sprint
702 368 584 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 38:202 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:106 59:162 60:187
61:819 62:787 63:1895 64:3081 65:2228 66:3097
67:604 68:703 69:1471 70:305 71:62 72:636
73:25 74:15 80:742 81:589 82:511 83:380
84:335 85:459 86:356 87:201 88:30 89:55
124:176 125:269 128:146 129:172 130:102 131:313
132:33 133:7 134:146 135:48 136:170 137:65
138:192 139:75 140:487 141:134 142:415 143:147
144:226 145:39 146:317 147:134 148:337 149:184
150:112 151:77 152:63 153:102 154:6 155:184
156:94 157:122 158:159 159:176 160:87 161:70
162:219 163:144 164:173 165:171 166:147 167:235
168:475 169:140 170:320 171:12 172:1 190:36
192:5754 193:3412 194:2515 195:1787 196:768 198:3891
199:3257 200:4195 201:604 202:6512 203:6875 204:3914
205:2099 206:2430 207:2924 208:1999 209:3743 210:1969
211:825 212:1282 213:1481 214:339 215:42 216:4043
217:1170 218:258 219:159 220:650 221:369 222:159
End of report
