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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 21 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184590
Prefixes after maximum aggregation: 102251
Unique aggregates announced to Internet: 89851
Total ASes present in the Internet Routing Table: 21783
Origin-only ASes present in the Internet Routing Table: 18925
Origin ASes announcing only one prefix: 9002
Transit ASes present in the Internet Routing Table: 2858
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: 22
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: 11
Number of addresses announced to Internet: 1511542880
Equivalent to 90 /8s, 24 /16s and 80 /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: 90277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38880
Total APNIC prefixes after maximum aggregation: 16257
Prefixes being announced from the APNIC address blocks: 36675
Unique aggregates announced from the APNIC address blocks: 17825
APNIC Region origin ASes present in the Internet Routing Table: 2508
APNIC Region origin ASes announcing only one prefix: 705
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: 17
Number of APNIC addresses announced to Internet: 217788896
Equivalent to 12 /8s, 251 /16s and 49 /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: 96512
Total ARIN prefixes after maximum aggregation: 57049
Prefixes being announced from the ARIN address blocks: 75706
Unique aggregates announced from the ARIN address blocks: 28890
ARIN Region origin ASes present in the Internet Routing Table: 10596
ARIN Region origin ASes announcing only one prefix: 3959
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: 291326976
Equivalent to 17 /8s, 93 /16s and 76 /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: 36637
Total RIPE prefixes after maximum aggregation: 24490
Prefixes being announced from the RIPE address blocks: 33672
Unique aggregates announced from the RIPE address blocks: 22741
RIPE Region origin ASes present in the Internet Routing Table: 7791
RIPE Region origin ASes announcing only one prefix: 4079
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: 242400256
Equivalent to 14 /8s, 114 /16s and 188 /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: 10487
Total LACNIC prefixes after maximum aggregation: 3570
Prefixes being announced from the LACNIC address blocks: 8664
Unique aggregates announced from the LACNIC address blocks: 5139
LACNIC Region origin ASes present in the Internet Routing Table: 675
LACNIC Region origin ASes announcing only one prefix: 215
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: 25946112
Equivalent to 1 /8s, 139 /16s and 232 /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: 1993
Total AfriNIC prefixes after maximum aggregation: 885
Prefixes being announced from the AfriNIC address blocks: 1351
Unique aggregates announced from the AfriNIC address blocks: 894
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: 24
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 3935744
Equivalent to 0 /8s, 60 /16s and 14 /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 877 258 68 Videsh Sanchar Nigam Ltd. Aut
9583 873 109 16 Sify Limited
4766 677 3923 302 Korea Telecom (KIX)
1221 652 1428 471 Telstra Pty Ltd
9498 561 212 72 BHARTI BT INTERNET LTD.
7545 523 108 70 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 331 218 53 China Netcom Corp.
18101 326 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 1501 6265 964 AT&T WorldNet Services
4323 1232 714 239 Time Warner Telecom
721 1005 21946 307 DLA Systems Automation Center
6197 1004 619 468 BellSouth Network Solutions,
174 966 5784 913 Cogent Communications
701 940 8064 778 UUNET Technologies, Inc.
18566 921 272 8 Covad Communications
2386 870 520 662 AT&T Data Communications Serv
1239 852 2789 601 Sprint
19029 782 152 112 New Edge Networks
209 696 3607 540 Qwest
20115 671 587 361 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,
852 577 1088 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 545 244 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 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 198 40 9 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 194 2085 75 TELECOM ITALIA
3215 184 1526 87 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 594 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 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
12455 40 6 3 Jambonet Autonomous system
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
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 873 857 Sify Limited
4755 877 809 Videsh Sanchar Nigam Ltd. Aut
4134 990 780 CHINANET-BACKBONE
721 1005 698 DLA Systems Automation Center
19029 782 670 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
5668 523 498 CenturyTel Internet Holdings,
17488 505 498 Hathway IP Over Cable Interne
9498 561 489 BHARTI BT INTERNET LTD.
855 545 481 Canadian Research Network
7757 473 454 AT&T Broadband
7545 523 453 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 125.64.6.0/27 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
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 /16:8753 /17:3123 /18:5151
/19:11436 /20:12837 /21:11027 /22:14162 /23:15319 /24:100441
/25:337 /26:247 /27:208 /28:64 /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 1501 AT&T WorldNet Services
6197 794 1004 BellSouth Network Solutions,
19029 710 782 New Edge Networks
9583 692 873 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 486 677 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 439 579 BellSouth Network Solutions,
855 419 545 Canadian Research Network
5668 404 523 CenturyTel Internet Holdings,
1239 380 852 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 12:1620 13:1 15:12 16:3
17:3 18:4 20:43 24:872 25:1 30:2
32:67 38:204 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:148 59:181 60:179
61:822 62:805 63:1922 64:3118 65:2228 66:3061
67:613 68:680 69:1405 70:312 71:62 72:645
73:23 74:24 80:756 81:597 82:532 83:367
84:340 85:489 86:376 87:256 88:46 89:75
124:190 125:279 128:153 129:174 130:103 131:317
132:33 133:8 134:147 135:47 136:175 137:65
138:186 139:74 140:488 141:137 142:393 143:156
144:231 145:40 146:318 147:134 148:336 149:189
150:114 151:78 152:64 153:106 154:6 155:194
156:95 157:119 158:166 159:167 160:89 161:69
162:218 163:143 164:179 165:177 166:148 167:239
168:476 169:134 170:320 171:12 172:1 190:37
192:5770 193:3401 194:2542 195:1794 196:765 198:3881
199:3260 200:4310 201:662 202:6559 203:6882 204:3918
205:2087 206:2421 207:2933 208:2022 209:3725 210:1933
211:814 212:1277 213:1477 214:342 215:42 216:4083
217:1161 218:257 219:177 220:651 221:372 222:160
End of report
