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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 26 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184829
Prefixes after maximum aggregation: 102420
Unique aggregates announced to Internet: 89990
Total ASes present in the Internet Routing Table: 21792
Origin-only ASes present in the Internet Routing Table: 18931
Origin ASes announcing only one prefix: 9004
Transit ASes present in the Internet Routing Table: 2861
Transit-only ASes present in the Internet Routing Table: 67
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: 77
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1514392800
Equivalent to 90 /8s, 67 /16s and 204 /24s
Percentage of available address space announced: 40.9
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90513
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38917
Total APNIC prefixes after maximum aggregation: 16297
Prefixes being announced from the APNIC address blocks: 36714
Unique aggregates announced from the APNIC address blocks: 17899
APNIC Region origin ASes present in the Internet Routing Table: 2518
APNIC Region origin ASes announcing only one prefix: 708
APNIC Region transit ASes present in the Internet Routing Table: 393
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 218983136
Equivalent to 13 /8s, 13 /16s and 106 /24s
Percentage of available APNIC address space announced: 68.5
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: 96577
Total ARIN prefixes after maximum aggregation: 57105
Prefixes being announced from the ARIN address blocks: 75808
Unique aggregates announced from the ARIN address blocks: 28934
ARIN Region origin ASes present in the Internet Routing Table: 10590
ARIN Region origin ASes announcing only one prefix: 3951
ARIN Region transit ASes present in the Internet Routing Table: 976
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293221120
Equivalent to 17 /8s, 122 /16s and 51 /24s
Percentage of available ARIN address space announced: 72.8
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: 36706
Total RIPE prefixes after maximum aggregation: 24546
Prefixes being announced from the RIPE address blocks: 33742
Unique aggregates announced from the RIPE address blocks: 22729
RIPE Region origin ASes present in the Internet Routing Table: 7793
RIPE Region origin ASes announcing only one prefix: 4080
RIPE Region transit ASes present in the Internet Routing Table: 1303
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242620544
Equivalent to 14 /8s, 118 /16s and 24 /24s
Percentage of available RIPE address space announced: 72.3
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: 10521
Total LACNIC prefixes after maximum aggregation: 3586
Prefixes being announced from the LACNIC address blocks: 8688
Unique aggregates announced from the LACNIC address blocks: 5161
LACNIC Region origin ASes present in the Internet Routing Table: 678
LACNIC Region origin ASes announcing only one prefix: 221
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: 26076416
Equivalent to 1 /8s, 141 /16s and 229 /24s
Percentage of available LACNIC address space announced: 38.9
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: 2025
Total AfriNIC prefixes after maximum aggregation: 886
Prefixes being announced from the AfriNIC address blocks: 1368
Unique aggregates announced from the AfriNIC address blocks: 901
AfriNIC Region origin ASes present in the Internet Routing Table: 148
AfriNIC Region origin ASes announcing only one prefix: 44
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: 3944960
Equivalent to 0 /8s, 60 /16s and 50 /24s
Percentage of available AfriNIC address space announced: 11.8
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 994 6945 211 CHINANET-BACKBONE
4755 888 258 67 Videsh Sanchar Nigam Ltd. Aut
9583 875 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 618 1428 474 Telstra Pty Ltd
9498 558 212 72 BHARTI BT INTERNET LTD.
7545 524 108 71 TPG Internet Pty Ltd
17488 499 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 331 89 32 PT TELEKOMUNIKASI INDONESIA
18101 324 68 23 Reliance Infocom Ltd Internet
9929 318 218 53 China Netcom Corp.
17557 317 25 162 Pakistan Telecom
17849 317 20 105 Telecommunications Technology
7474 305 211 232 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 1506 6264 965 AT&T WorldNet Services
4323 1241 714 245 Time Warner Telecom
721 1010 21962 307 DLA Systems Automation Center
6197 1005 620 469 BellSouth Network Solutions,
174 960 5784 907 Cogent Communications
701 945 8048 781 UUNET Technologies, Inc.
18566 923 272 8 Covad Communications
2386 874 520 664 AT&T Data Communications Serv
1239 854 2805 602 Sprint
19029 783 152 112 New Edge Networks
209 698 3607 541 Qwest
20115 675 591 364 Charter Communications
19262 664 1964 155 Verizon Global Networks
22773 641 1480 40 Cox Communications, Inc.
11492 624 86 20 Cable One
7011 611 212 398 Citizens Utilities
6198 583 506 239 BellSouth Network Solutions,
852 576 1088 385 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
3301 307 1071 292 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 278 3476 230 Deutsche Telekom AG
680 243 2025 240 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 230 89 202 Dynamic Network Technologies,
8708 216 276 201 Romania Data Systems S.A.
8551 201 196 26 Bezeq International
24863 201 40 10 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 194 2085 75 TELECOM ITALIA
3215 186 1542 88 France Telecom Transpac
9121 175 931 27 TTnet Autonomous System
786 171 1778 171 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
5400 167 328 136 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 599 1051 226 UniNet S.A. de C.V.
22047 384 142 10 VTR PUNTO NET S.A.
11172 320 110 83 Servicios Alestra S.A de C.V
16814 279 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 157 75 18 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 122 8 32 Telconet
6503 121 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
21826 121 16 20 INTERCABLE
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
25620 97 6 3 COTAS LTDA
7315 96 6 3 Grupo Rey Moreno
19429 95 52 42 E.T.B.
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 803 232 The Internet Solution
8452 165 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
2018 124 314 105 Tertiary Education Network
15475 122 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 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 29 7 20 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 1241 996 Time Warner Telecom
18566 923 915 Covad Communications
9583 875 859 Sify Limited
4755 888 821 Videsh Sanchar Nigam Ltd. Aut
4134 994 783 CHINANET-BACKBONE
721 1010 703 DLA Systems Automation Center
19029 783 671 New Edge Networks
11492 624 604 Cable One
22773 641 601 Cox Communications, Inc.
6197 1005 536 BellSouth Network Solutions,
19262 664 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 526 501 CenturyTel Internet Holdings,
17488 499 492 Hathway IP Over Cable Interne
9498 558 486 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7757 473 454 AT&T Broadband
7545 524 453 TPG Internet Pty Ltd
3602 537 428 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 125.64.6.0/24 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 125.64.19.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.23.128/25 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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.172.0.0/19 721 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 /11:27 /12:87
/13:199 /14:353 /15:695 /16:8764 /17:3145 /18:5153
/19:11438 /20:12846 /21:11084 /22:14184 /23:15313 /24:100500
/25:347 /26:248 /27:218 /28:66 /29:57 /30:36
/31:0 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 906 923 Covad Communications
7018 800 1506 AT&T WorldNet Services
6197 794 1005 BellSouth Network Solutions,
19029 710 783 New Edge Networks
9583 694 875 Sify Limited
11492 615 624 Cable One
4323 599 1241 Time Warner Telecom
2386 598 874 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 523 611 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 441 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 406 526 CenturyTel Internet Holdings,
1239 380 854 Sprint
702 368 584 UUNET - Commercial IP service
15270 362 392 PaeTec.net -a division of Pae
6517 347 377 Yipes Communications, Inc.
22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1618 13:1 15:12 16:3
17:3 18:4 20:43 24:871 25:1 30:2
32:67 38:204 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:149 59:190 60:177
61:828 62:806 63:1918 64:3115 65:2225 66:3067
67:614 68:678 69:1430 70:314 71:63 72:648
73:23 74:26 80:752 81:611 82:547 83:372
84:361 85:493 86:390 87:259 88:48 89:96
124:195 125:283 128:159 129:174 130:108 131:319
132:33 133:8 134:150 135:47 136:169 137:68
138:194 139:75 140:471 141:137 142:393 143:157
144:232 145:40 146:324 147:133 148:334 149:190
150:114 151:79 152:64 153:107 154:6 155:195
156:98 157:120 158:165 159:166 160:87 161:69
162:218 163:143 164:172 165:180 166:146 167:238
168:478 169:134 170:320 171:12 172:1 183:1
190:35 192:5751 193:3392 194:2543 195:1795 196:775
198:3870 199:3258 200:4294 201:669 202:6558 203:6861
204:3937 205:2088 206:2427 207:2928 208:2034 209:3695
210:1927 211:816 212:1242 213:1474 214:339 215:42
216:4086 217:1160 218:257 219:180 220:654 221:373
222:160
End of report
