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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 20 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 172288
Prefixes after maximum aggregation: 98010
Unique aggregates announced to Internet: 83365
Total ASes present in the Internet Routing Table: 20718
Origin-only ASes present in the Internet Routing Table: 18006
Origin ASes announcing only one prefix: 8537
Transit ASes present in the Internet Routing Table: 2712
Transit-only ASes present in the Internet Routing Table: 78
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: 26
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1433040720
Equivalent to 85 /8s, 106 /16s and 119 /24s
Percentage of available address space announced: 38.7
Percentage of allocated address space announced: 58.2
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 82164
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35830
Total APNIC prefixes after maximum aggregation: 15747
Prefixes being announced from the APNIC address blocks: 33627
Unique aggregates announced from the APNIC address blocks: 16671
APNIC Region origin ASes present in the Internet Routing Table: 2388
APNIC Region origin ASes announcing only one prefix: 698
APNIC Region transit ASes present in the Internet Routing Table: 362
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 202841232
Equivalent to 12 /8s, 23 /16s and 28 /24s
Percentage of available APNIC address space announced: 75.3
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, 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: 91477
Total ARIN prefixes after maximum aggregation: 55470
Prefixes being announced from the ARIN address blocks: 71504
Unique aggregates announced from the ARIN address blocks: 26587
ARIN Region origin ASes present in the Internet Routing Table: 10271
ARIN Region origin ASes announcing only one prefix: 3794
ARIN Region transit ASes present in the Internet Routing Table: 963
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 272137472
Equivalent to 16 /8s, 56 /16s and 125 /24s
Percentage of available ARIN address space announced: 67.6
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: 33494
Total RIPE prefixes after maximum aggregation: 22735
Prefixes being announced from the RIPE address blocks: 30517
Unique aggregates announced from the RIPE address blocks: 20425
RIPE Region origin ASes present in the Internet Routing Table: 7207
RIPE Region origin ASes announcing only one prefix: 3794
RIPE Region transit ASes present in the Internet Routing Table: 1201
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 220692992
Equivalent to 13 /8s, 39 /16s and 130 /24s
Percentage of available RIPE address space announced: 65.8
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: 9696
Total LACNIC prefixes after maximum aggregation: 3240
Prefixes being announced from the LACNIC address blocks: 8018
Unique aggregates announced from the LACNIC address blocks: 4701
LACNIC Region origin ASes present in the Internet Routing Table: 646
LACNIC Region origin ASes announcing only one prefix: 208
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: 25
Number of LACNIC addresses announced to Internet: 22304512
Equivalent to 1 /8s, 84 /16s and 87 /24s
Percentage of available LACNIC address space announced: 33.2
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: 1761
Total AfriNIC prefixes after maximum aggregation: 818
Prefixes being announced from the AfriNIC address blocks: 1078
Unique aggregates announced from the AfriNIC address blocks: 797
AfriNIC Region origin ASes present in the Internet Routing Table: 139
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 18
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2836480
Equivalent to 0 /8s, 43 /16s and 72 /24s
Percentage of available AfriNIC address space announced: 8.5
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 1004 6228 209 CHINANET-BACKBONE
9583 809 77 12 Sify Limited
1221 752 1327 512 Telstra Pty Ltd
4755 723 259 67 Videsh Sanchar Nigam Ltd. Aut
4766 619 3927 290 Korea Telecom (KIX)
7545 511 108 67 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 381 211 57 BHARTI BT INTERNET LTD.
17488 343 20 9 Hathway IP Over Cable Interne
2907 338 1763 315 SINET Japan
9929 332 224 46 China Netcom Corp.
7474 331 258 228 SingTel Optus Pty Ltd
17557 330 24 162 Pakistan Telecom
4802 325 72 154 Wantree Development
18302 291 109 170 SK Global co., Ltd
9837 275 79 176 Powertel Ltd
17974 270 65 15 PT TELEKOMUNIKASI INDONESIA
18101 265 68 18 Reliance Infocom Ltd Internet
703 257 259 210 UUNET - Commercial IP service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1527 6358 993 AT&T WorldNet Services
4323 1192 705 231 Time Warner Telecom
721 1075 21938 309 DLA Systems Automation Center
174 1055 5848 992 Cogent Communications
701 1003 8123 841 UUNET Technologies, Inc.
6197 946 400 486 BellSouth Network Solutions,
2386 922 513 685 AT&T Data Communications Serv
18566 862 240 7 Covad Communications
1239 857 2852 605 Sprint
209 640 3572 506 Qwest
20115 634 515 337 Charter Communications
3602 560 131 109 Sprint Canada, Inc.
22773 539 1348 27 Cox Communications, Inc.
3356 535 10639 411 Level 3 Communications, LLC
3561 500 2409 402 Savvis
19262 487 1446 124 Verizon Global Networks
5668 486 147 23 CenturyTel Internet Holdings,
6198 477 448 223 BellSouth Network Solutions,
7132 468 5059 399 SBC Internet Services
852 440 1093 383 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 603 1976 476 UUNET - Commercial IP service
3301 304 1081 290 TeliaNet Sweden
3320 286 3231 241 Deutsche Telekom AG
8220 270 475 265 COLT Telecommunications
680 244 2040 239 DFN-IP service G-WiN
8708 238 274 223 Romania Data Systems S.A.
3246 225 474 218 Song Networks
6746 195 50 167 Dynamic Network Technologies,
1257 193 712 171 SWIPnet Swedish IP Network
5515 182 841 128 Sonera Solution Autonomous Sy
3269 180 1670 70 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 172 317 142 BT Ignite European Backbone
6830 160 669 33 UPC Distribution Services
8866 159 37 9 Bulgarian Telecommunication C
3300 156 169 90 AUCS Communications Services
25186 151 227 106 France Telecom Transpac's Tra
3215 142 1229 81 France Telecom Transpac
1273 140 177 97 Cable & Wireless Deutschland
24863 139 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 403 650 171 UniNet S.A. de C.V.
16814 297 18 7 NSS, S.A.
11172 279 86 64 Servicios Alestra S.A de C.V
11664 196 22 13 Keytech SA
19632 196 14 5 Metropolis Intercom S.A.
6147 189 118 21 Telefonica Del Peru
22047 170 128 7 VTR PUNTO NET S.A.
14117 169 10 5 Telefonica del Sur S.A.
7303 148 69 19 Telecom Argentina Stet-France
11556 133 64 3 Cable-Wireless Panama
19169 122 8 26 Telconet
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
13999 117 52 9 Mega Cable S.A. de C.V.
6503 113 148 73 AVANTEL, S.A.
18822 112 7 13 TELEFONICA MANQUEHUE
21826 108 14 17 INTERCABLE
5639 105 12 9 Telecommunications Services o
11311 99 8 10 Sinectis S.A.
23216 88 23 12 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 708 227 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 117 44 7 TEDATA
2018 95 295 86 Tertiary Education Network
15475 82 84 4 Nile Online
2905 78 211 71 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 7 RAYA Telecom - Egypt
5713 36 149 32 Telkom SA Ltd
12455 35 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 3 20 AS Number for Telecom Algeria
8524 23 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 19 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1192 961 Time Warner Telecom
18566 862 855 Covad Communications
9583 809 797 Sify Limited
4134 1004 795 CHINANET-BACKBONE
721 1075 766 DLA Systems Automation Center
4755 723 656 Videsh Sanchar Nigam Ltd. Aut
22773 539 512 Cox Communications, Inc.
5668 486 463 CenturyTel Internet Holdings,
6197 946 460 BellSouth Network Solutions,
3602 560 451 Sprint Canada, Inc.
7545 511 444 TPG Internet Pty Ltd
17676 470 370 Softbank BB Corp.
19262 487 363 Verizon Global Networks
19916 380 363 OLM LLC
6467 408 360 E.Spire Communications, Inc.
11492 346 335 Cable One
17488 343 334 Hathway IP Over Cable Interne
812 358 331 Rogers WAVE
4766 619 329 Korea Telecom (KIX)
9498 381 324 BHARTI BT INTERNET LTD.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT
64900 PRIVATE 64.116.137.0/24 17399 Comsat Venezuela, CO
65500 PRIVATE 64.146.64.0/24 19029 New Edge Networks
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati
64643 PRIVATE 140.253.192.0/20 24434 James Cook Universit
65205 PRIVATE 152.163.5.0/24 2056 America Online
64512 PRIVATE 170.51.242.0/24 19037 CTI Compania de Tele
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.7.0/24 28477 Universidad Autonoma
64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
65500 PRIVATE 216.217.188.0/24 19029 New Edge Networks
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
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:181 /14:335 /15:651 /16:8569 /17:2851 /18:4768
/19:10867 /20:11933 /21:9978 /22:13234 /23:14248 /24:93635
/25:325 /26:284 /27:183 /28:37 /29:11 /30:38
/31:3 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 846 862 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 747 1527 AT&T WorldNet Services
2386 636 922 AT&T Data Communications Serv
9583 632 809 Sify Limited
4323 568 1192 Time Warner Telecom
4766 427 619 Korea Telecom (KIX)
5668 391 486 CenturyTel Internet Holdings,
702 384 603 UUNET - Commercial IP service
7011 368 428 Citizens Utilities
19916 367 380 OLM LLC
1239 366 857 Sprint
6198 348 477 BellSouth Network Solutions,
11492 338 346 Cable One
6517 320 346 Yipes Communications, Inc.
15270 316 343 PaeTec.net -a division of Pae
13609 286 327 Choice One Communications Inc
701 284 1003 UUNET Technologies, Inc.
18302 276 291 SK Global co., Ltd
22773 275 539 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:25 12:1606 13:1 15:11 16:3
17:3 18:3 20:31 24:564 30:2 32:68
38:162 40:54 44:3 47:2 52:4 55:1
56:3 57:35 58:95 59:77 60:146 61:783
62:779 63:1888 64:2923 65:2088 66:2985 67:643
68:659 69:1304 70:212 71:32 72:416 80:657
81:569 82:503 83:306 84:289 85:361 86:138
87:63 125:14 128:155 129:169 130:96 131:296
132:36 133:1 134:148 135:40 136:158 137:67
138:166 139:66 140:466 141:141 142:148 143:143
144:218 145:34 146:301 147:131 148:276 149:187
150:108 151:68 152:112 153:93 154:6 155:141
156:79 157:114 158:160 159:174 160:87 161:76
162:237 163:147 164:190 165:189 166:157 167:256
168:446 169:144 170:307 171:11 190:1 192:5723
193:3322 194:2426 195:1563 196:663 198:3893 199:3244
200:4255 201:378 202:6176 203:6486 204:3830 205:2064
206:2448 207:2844 208:2026 209:3420 210:1696 211:826
212:1209 213:1362 214:313 215:39 216:3737 217:1146
218:221 219:134 220:508 221:292 222:131
End of report
