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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 20 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184482
Prefixes after maximum aggregation: 102197
Unique aggregates announced to Internet: 89756
Total ASes present in the Internet Routing Table: 21778
Origin-only ASes present in the Internet Routing Table: 18921
Origin ASes announcing only one prefix: 8995
Transit ASes present in the Internet Routing Table: 2857
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: 25
Prefixes from unregistered ASNs in the Routing Table: 76
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1510983008
Equivalent to 90 /8s, 15 /16s and 197 /24s
Percentage of available address space announced: 40.8
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38873
Total APNIC prefixes after maximum aggregation: 16253
Prefixes being announced from the APNIC address blocks: 36673
Unique aggregates announced from the APNIC address blocks: 17789
APNIC Region origin ASes present in the Internet Routing Table: 2506
APNIC Region origin ASes announcing only one prefix: 702
APNIC Region transit ASes present in the Internet Routing Table: 389
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 217700832
Equivalent to 12 /8s, 249 /16s and 217 /24s
Percentage of available APNIC address space announced: 68.1
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: 96458
Total ARIN prefixes after maximum aggregation: 57023
Prefixes being announced from the ARIN address blocks: 75686
Unique aggregates announced from the ARIN address blocks: 28880
ARIN Region origin ASes present in the Internet Routing Table: 10592
ARIN Region origin ASes announcing only one prefix: 3957
ARIN Region transit ASes present in the Internet Routing Table: 975
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 291323392
Equivalent to 17 /8s, 93 /16s and 62 /24s
Percentage of available ARIN address space announced: 72.4
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: 36622
Total RIPE prefixes after maximum aggregation: 24494
Prefixes being announced from the RIPE address blocks: 33652
Unique aggregates announced from the RIPE address blocks: 22727
RIPE Region origin ASes present in the Internet Routing Table: 7790
RIPE Region origin ASes announcing only one prefix: 4076
RIPE Region transit ASes present in the Internet Routing Table: 1302
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242316800
Equivalent to 14 /8s, 113 /16s and 118 /24s
Percentage of available RIPE address space announced: 72.2
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: 10462
Total LACNIC prefixes after maximum aggregation: 3543
Prefixes being announced from the LACNIC address blocks: 8644
Unique aggregates announced from the LACNIC address blocks: 5135
LACNIC Region origin ASes present in the Internet Routing Table: 677
LACNIC Region origin ASes announcing only one prefix: 216
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 25946880
Equivalent to 1 /8s, 139 /16s and 235 /24s
Percentage of available LACNIC address space announced: 38.7
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: 1986
Total AfriNIC prefixes after maximum aggregation: 884
Prefixes being announced from the AfriNIC address blocks: 1337
Unique aggregates announced from the AfriNIC address blocks: 887
AfriNIC Region origin ASes present in the Internet Routing Table: 146
AfriNIC Region origin ASes announcing only one prefix: 44
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: 15
Number of AfriNIC addresses announced to Internet: 3929600
Equivalent to 0 /8s, 59 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 11.7
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 990 6937 210 CHINANET-BACKBONE
4755 880 258 70 Videsh Sanchar Nigam Ltd. Aut
9583 872 109 16 Sify Limited
4766 678 3923 302 Korea Telecom (KIX)
1221 650 1428 469 Telstra Pty Ltd
9498 561 212 72 BHARTI BT INTERNET LTD.
7545 518 108 69 TPG Internet Pty Ltd
17488 515 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 370 75 165 Wantree Development
2907 336 1749 312 SINET Japan
17974 334 89 32 PT TELEKOMUNIKASI INDONESIA
9929 333 218 53 China Netcom Corp.
18101 326 68 23 Reliance Infocom Ltd Internet
17557 320 25 163 Pakistan Telecom
17849 315 20 104 Telecommunications Technology
7474 304 211 232 SingTel Optus Pty Ltd
4780 279 226 16 Digital United Inc.
9837 272 78 168 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1501 6265 964 AT&T WorldNet Services
4323 1232 714 239 Time Warner Telecom
721 1009 21946 307 DLA Systems Automation Center
6197 1004 619 468 BellSouth Network Solutions,
174 962 5782 909 Cogent Communications
701 945 8064 781 UUNET Technologies, Inc.
18566 921 272 8 Covad Communications
2386 870 520 662 AT&T Data Communications Serv
1239 849 2789 599 Sprint
19029 781 152 111 New Edge Networks
209 695 3607 540 Qwest
20115 672 587 362 Charter Communications
19262 664 1955 153 Verizon Global Networks
22773 641 1480 40 Cox Communications, Inc.
11492 636 86 20 Cable One
7011 602 209 391 Citizens Utilities
6198 579 502 237 BellSouth Network Solutions,
852 576 1088 382 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 584 1951 459 UUNET - Commercial IP service
3352 307 1564 31 Ibernet, Internet Access Netw
3301 306 1071 291 TeliaNet Sweden
8220 289 473 268 COLT Telecommunications
3320 280 3477 232 Deutsche Telekom AG
680 244 2025 241 DFN-IP service G-WiN
3246 230 488 220 Song Networks
6746 226 88 198 Dynamic Network Technologies,
8708 217 276 202 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
1257 197 710 172 SWIPnet Swedish IP Network
24863 197 40 9 LINKdotNET AS number
3269 193 2085 75 TELECOM ITALIA
3215 183 1518 86 France Telecom Transpac
786 172 1794 172 The JANET IP Service
8866 169 37 13 Bulgarian Telecommunication C
5400 167 328 136 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
9121 162 931 27 TTnet Autonomous System
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 593 1050 224 UniNet S.A. de C.V.
22047 384 142 10 VTR PUNTO NET S.A.
11172 315 107 79 Servicios Alestra S.A de C.V
16814 289 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 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
19169 123 8 33 Telconet
6503 122 149 76 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
21826 120 16 19 INTERCABLE
6505 106 88 78 Global One Communicaoes Ltda
14522 100 13 5 SatNet S.A.
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
25620 96 6 3 COTAS LTDA
19429 95 52 42 E.T.B.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 277 803 233 The Internet Solution
8452 163 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
2018 124 314 105 Tertiary Education Network
15475 123 84 4 Nile Online
5536 122 8 18 Internet Egypt Network
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 25 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
21280 20 5 5 Swift Global Kenya Ltd.Is an
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1232 993 Time Warner Telecom
18566 921 913 Covad Communications
9583 872 856 Sify Limited
4755 880 810 Videsh Sanchar Nigam Ltd. Aut
4134 990 780 CHINANET-BACKBONE
721 1009 702 DLA Systems Automation Center
19029 781 670 New Edge Networks
11492 636 616 Cable One
22773 641 601 Cox Communications, Inc.
6197 1004 536 BellSouth Network Solutions,
19262 664 511 Verizon Global Networks
19916 563 509 OLM LLC
17488 515 508 Hathway IP Over Cable Interne
5668 523 498 CenturyTel Internet Holdings,
9498 561 489 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7757 473 454 AT&T Broadband
7545 518 449 TPG Internet Pty Ltd
3602 536 427 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 125.64.6.0/27 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
24294 UNALLOCATED 202.173.112.0/20 2514 NTT PC Communication
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
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
192.44.0.0/24 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 /14:353 /15:695 /16:8746 /17:3119 /18:5151
/19:11434 /20:12830 /21:11007 /22:14165 /23:15311 /24:100379
/25:341 /26:246 /27:207 /28:63 /29:25 /30:33
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 904 921 Covad Communications
7018 795 1501 AT&T WorldNet Services
6197 794 1004 BellSouth Network Solutions,
19029 710 781 New Edge Networks
9583 691 872 Sify Limited
11492 627 636 Cable One
4323 595 1232 Time Warner Telecom
2386 594 870 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 516 602 Citizens Utilities
4766 487 678 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 439 579 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 404 523 CenturyTel Internet Holdings,
1239 379 849 Sprint
702 368 584 UUNET - Commercial IP service
15270 354 384 PaeTec.net -a division of Pae
6517 346 376 Yipes Communications, Inc.
22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1619 13:1 15:12 16:3
17:3 18:4 20:43 24:872 25:1 30:2
32:67 38:205 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:149 59:181 60:178
61:823 62:794 63:1922 64:3118 65:2228 66:3066
67:612 68:680 69:1405 70:313 71:62 72:643
73:23 74:23 80:755 81:596 82:533 83:367
84:335 85:483 86:376 87:257 88:45 89:73
124:189 125:279 128:154 129:174 130:103 131:317
132:33 133:8 134:143 135:47 136:175 137:65
138:191 139:74 140:479 141:137 142:393 143:155
144:231 145:40 146:318 147:134 148:333 149:188
150:113 151:78 152:64 153:106 154:6 155:194
156:94 157:119 158:165 159:167 160:91 161:69
162:216 163:142 164:178 165:177 166:148 167:239
168:473 169:133 170:320 171:12 172:1 190:37
192:5766 193:3399 194:2545 195:1795 196:755 198:3873
199:3260 200:4301 201:664 202:6561 203:6890 204:3918
205:2085 206:2421 207:2933 208:2021 209:3724 210:1933
211:810 212:1275 213:1483 214:343 215:42 216:4081
217:1161 218:257 219:179 220:651 221:374 222:160
End of report
