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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 22 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184785
Prefixes after maximum aggregation: 102337
Unique aggregates announced to Internet: 89899
Total ASes present in the Internet Routing Table: 21781
Origin-only ASes present in the Internet Routing Table: 18930
Origin ASes announcing only one prefix: 9000
Transit ASes present in the Internet Routing Table: 2851
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: 24
Prefixes from unregistered ASNs in the Routing Table: 74
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1511592544
Equivalent to 90 /8s, 25 /16s and 18 /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: 90410
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38939
Total APNIC prefixes after maximum aggregation: 16294
Prefixes being announced from the APNIC address blocks: 36737
Unique aggregates announced from the APNIC address blocks: 17916
APNIC Region origin ASes present in the Internet Routing Table: 2514
APNIC Region origin ASes announcing only one prefix: 708
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: 18
Number of APNIC addresses announced to Internet: 217923808
Equivalent to 12 /8s, 253 /16s and 64 /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: 96435
Total ARIN prefixes after maximum aggregation: 57070
Prefixes being announced from the ARIN address blocks: 75633
Unique aggregates announced from the ARIN address blocks: 28819
ARIN Region origin ASes present in the Internet Routing Table: 10588
ARIN Region origin ASes announcing only one prefix: 3956
ARIN Region transit ASes present in the Internet Routing Table: 974
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 291380224
Equivalent to 17 /8s, 94 /16s and 28 /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: 36840
Total RIPE prefixes after maximum aggregation: 24508
Prefixes being announced from the RIPE address blocks: 33858
Unique aggregates announced from the RIPE address blocks: 22738
RIPE Region origin ASes present in the Internet Routing Table: 7788
RIPE Region origin ASes announcing only one prefix: 4076
RIPE Region transit ASes present in the Internet Routing Table: 1300
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 242379264
Equivalent to 14 /8s, 114 /16s and 106 /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: 10491
Total LACNIC prefixes after maximum aggregation: 3579
Prefixes being announced from the LACNIC address blocks: 8665
Unique aggregates announced from the LACNIC address blocks: 5160
LACNIC Region origin ASes present in the Internet Routing Table: 677
LACNIC Region origin ASes announcing only one prefix: 217
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 26016768
Equivalent to 1 /8s, 140 /16s and 252 /24s
Percentage of available LACNIC address space announced: 38.8
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: 2000
Total AfriNIC prefixes after maximum aggregation: 886
Prefixes being announced from the AfriNIC address blocks: 1359
Unique aggregates announced from the AfriNIC address blocks: 901
AfriNIC Region origin ASes present in the Internet Routing Table: 147
AfriNIC Region origin ASes announcing only one prefix: 43
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: 3937536
Equivalent to 0 /8s, 60 /16s and 21 /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 991 6945 211 CHINANET-BACKBONE
4755 879 258 68 Videsh Sanchar Nigam Ltd. Aut
9583 874 109 16 Sify Limited
4766 679 3923 301 Korea Telecom (KIX)
1221 657 1428 475 Telstra Pty Ltd
9498 559 212 72 BHARTI BT INTERNET LTD.
7545 525 108 71 TPG Internet Pty Ltd
17488 505 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 373 75 169 Wantree Development
2907 336 1749 312 SINET Japan
17974 334 89 32 PT TELEKOMUNIKASI INDONESIA
9929 328 218 53 China Netcom Corp.
18101 320 68 23 Reliance Infocom Ltd Internet
17557 319 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 1502 6265 965 AT&T WorldNet Services
4323 1231 714 239 Time Warner Telecom
721 1011 21962 307 DLA Systems Automation Center
6197 1003 618 468 BellSouth Network Solutions,
174 964 5784 911 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 851 2789 600 Sprint
19029 782 152 112 New Edge Networks
209 696 3607 540 Qwest
20115 674 591 363 Charter Communications
19262 663 1955 154 Verizon Global Networks
22773 641 1480 40 Cox Communications, Inc.
11492 624 86 20 Cable One
7011 603 209 392 Citizens Utilities
6198 580 502 238 BellSouth Network Solutions,
852 577 1088 383 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
702 585 1951 460 UUNET - Commercial IP service
3301 307 1071 292 TeliaNet Sweden
3352 306 1560 34 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 280 3477 232 Deutsche Telekom AG
680 244 2025 241 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 226 88 198 Dynamic Network Technologies,
8708 217 276 202 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
24863 200 40 9 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 193 2085 74 TELECOM ITALIA
3215 185 1534 87 France Telecom Transpac
786 172 1778 172 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
20485 170 51 8 JSC Transtelecom
5400 167 328 136 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
9121 162 931 27 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 595 1050 225 UniNet S.A. de C.V.
22047 383 142 10 VTR PUNTO NET S.A.
11172 315 107 79 Servicios Alestra S.A de C.V
16814 286 18 7 NSS, S.A.
14117 184 11 6 Telefonica del Sur S.A.
7303 160 75 21 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
6503 123 149 76 AVANTEL, S.A.
19169 123 8 33 Telconet
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
12455 38 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
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
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 1231 992 Time Warner Telecom
18566 921 913 Covad Communications
9583 874 858 Sify Limited
4755 879 811 Videsh Sanchar Nigam Ltd. Aut
4134 991 780 CHINANET-BACKBONE
721 1011 704 DLA Systems Automation Center
19029 782 670 New Edge Networks
11492 624 604 Cable One
22773 641 601 Cox Communications, Inc.
6197 1003 535 BellSouth Network Solutions,
19262 663 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 523 498 CenturyTel Internet Holdings,
17488 505 498 Hathway IP Over Cable Interne
9498 559 487 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 525 454 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 536 428 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
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 /16:8752 /17:3125 /18:5152
/19:11442 /20:12858 /21:11044 /22:14154 /23:15325 /24:100591
/25:338 /26:248 /27:208 /28:63 /29:25 /30:35
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 904 921 Covad Communications
7018 795 1502 AT&T WorldNet Services
6197 793 1003 BellSouth Network Solutions,
19029 710 782 New Edge Networks
9583 693 874 Sify Limited
11492 615 624 Cable One
4323 595 1231 Time Warner Telecom
2386 594 870 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 517 603 Citizens Utilities
4766 488 679 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 440 580 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 404 523 CenturyTel Internet Holdings,
1239 380 851 Sprint
702 368 585 UUNET - Commercial IP service
15270 355 385 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 12:1620 13:1 15:12 16:3
17:3 18:4 20:43 24:870 25:1 30:2
32:67 38:206 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:148 59:181 60:179
61:823 62:868 63:1923 64:3106 65:2229 66:3064
67:610 68:680 69:1396 70:312 71:63 72:622
73:23 74:24 80:778 81:613 82:535 83:390
84:343 85:488 86:376 87:256 88:46 89:78
124:194 125:279 128:156 129:174 130:103 131:318
132:33 133:8 134:147 135:47 136:175 137:65
138:191 139:74 140:487 141:137 142:393 143:156
144:232 145:40 146:320 147:134 148:335 149:189
150:114 151:79 152:64 153:106 154:6 155:194
156:95 157:119 158:166 159:167 160:90 161:69
162:217 163:144 164:179 165:180 166:147 167:239
168:476 169:135 170:320 171:12 172:1 190:37
192:5759 193:3394 194:2551 195:1797 196:771 198:3879
199:3259 200:4306 201:664 202:6581 203:6913 204:3921
205:2083 206:2422 207:2931 208:2014 209:3726 210:1935
211:813 212:1281 213:1472 214:341 215:42 216:4077
217:1167 218:257 219:179 220:649 221:373 222:160
End of report
