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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 19 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 172015
Prefixes after maximum aggregation: 98005
Unique aggregates announced to Internet: 83294
Total ASes present in the Internet Routing Table: 20700
Origin-only ASes present in the Internet Routing Table: 18005
Origin ASes announcing only one prefix: 8528
Transit ASes present in the Internet Routing Table: 2695
Transit-only ASes present in the Internet Routing Table: 77
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: 1432888384
Equivalent to 85 /8s, 104 /16s and 36 /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: 82019
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35767
Total APNIC prefixes after maximum aggregation: 15732
Prefixes being announced from the APNIC address blocks: 33580
Unique aggregates announced from the APNIC address blocks: 16673
APNIC Region origin ASes present in the Internet Routing Table: 2388
APNIC Region origin ASes announcing only one prefix: 697
APNIC Region transit ASes present in the Internet Routing Table: 359
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 202820224
Equivalent to 12 /8s, 22 /16s and 202 /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: 91319
Total ARIN prefixes after maximum aggregation: 55488
Prefixes being announced from the ARIN address blocks: 71379
Unique aggregates announced from the ARIN address blocks: 26541
ARIN Region origin ASes present in the Internet Routing Table: 10263
ARIN Region origin ASes announcing only one prefix: 3791
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 272130048
Equivalent to 16 /8s, 56 /16s and 96 /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: 33466
Total RIPE prefixes after maximum aggregation: 22725
Prefixes being announced from the RIPE address blocks: 30483
Unique aggregates announced from the RIPE address blocks: 20402
RIPE Region origin ASes present in the Internet Routing Table: 7199
RIPE Region origin ASes announcing only one prefix: 3791
RIPE Region transit ASes present in the Internet Routing Table: 1194
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 220600320
Equivalent to 13 /8s, 38 /16s and 24 /24s
Percentage of available RIPE address space announced: 65.7
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: 9664
Total LACNIC prefixes after maximum aggregation: 3239
Prefixes being announced from the LACNIC address blocks: 7991
Unique aggregates announced from the LACNIC address blocks: 4712
LACNIC Region origin ASes present in the Internet Routing Table: 644
LACNIC Region origin ASes announcing only one prefix: 206
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: 25
Number of LACNIC addresses announced to Internet: 22208256
Equivalent to 1 /8s, 82 /16s and 223 /24s
Percentage of available LACNIC address space announced: 33.1
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: 1769
Total AfriNIC prefixes after maximum aggregation: 821
Prefixes being announced from the AfriNIC address blocks: 1082
Unique aggregates announced from the AfriNIC address blocks: 799
AfriNIC Region origin ASes present in the Internet Routing Table: 140
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2839040
Equivalent to 0 /8s, 43 /16s and 82 /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 722 259 67 Videsh Sanchar Nigam Ltd. Aut
4766 619 3927 290 Korea Telecom (KIX)
7545 517 108 70 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.
2907 338 1763 315 SINET Japan
17488 336 20 9 Hathway IP Over Cable Interne
9929 332 224 46 China Netcom Corp.
7474 331 258 228 SingTel Optus Pty Ltd
17557 329 23 161 Pakistan Telecom
4802 325 72 154 Wantree Development
18302 291 109 170 SK Global co., Ltd
9837 275 79 176 Powertel Ltd
17974 271 65 15 PT TELEKOMUNIKASI INDONESIA
18101 266 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 1526 6361 994 AT&T WorldNet Services
4323 1192 705 231 Time Warner Telecom
721 1074 21938 309 DLA Systems Automation Center
174 1053 5848 990 Cogent Communications
701 997 8122 834 UUNET Technologies, Inc.
6197 942 399 490 BellSouth Network Solutions,
2386 921 513 684 AT&T Data Communications Serv
18566 860 240 7 Covad Communications
1239 857 2852 604 Sprint
209 638 3556 504 Qwest
20115 629 514 333 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 497 2409 399 Savvis
19262 487 1446 124 Verizon Global Networks
5668 485 147 23 CenturyTel Internet Holdings,
6198 480 448 223 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
702 604 1976 477 UUNET - Commercial IP service
3301 304 1081 290 TeliaNet Sweden
3320 286 3231 241 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 245 2040 240 DFN-IP service G-WiN
8708 240 274 225 Romania Data Systems S.A.
3246 224 474 217 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
8866 159 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
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 280 86 65 Servicios Alestra S.A de C.V
19632 196 14 5 Metropolis Intercom S.A.
11664 195 22 13 Keytech SA
6147 189 118 21 Telefonica Del Peru
22047 170 128 7 VTR PUNTO NET S.A.
14117 155 10 5 Telefonica del Sur S.A.
7303 146 69 17 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 269 708 227 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 120 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
15804 18 2 1 AS of The Way Out Internet So
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1192 961 Time Warner Telecom
18566 860 853 Covad Communications
9583 809 797 Sify Limited
4134 1004 795 CHINANET-BACKBONE
721 1074 765 DLA Systems Automation Center
4755 722 655 Videsh Sanchar Nigam Ltd. Aut
22773 539 512 Cox Communications, Inc.
5668 485 462 CenturyTel Internet Holdings,
6197 942 452 BellSouth Network Solutions,
3602 560 451 Sprint Canada, Inc.
7545 517 447 TPG Internet Pty Ltd
17676 470 370 Softbank BB Corp.
19262 487 363 Verizon Global Networks
6467 402 354 E.Spire Communications, Inc.
11492 346 335 Cable One
812 357 331 Rogers WAVE
4766 619 329 Korea Telecom (KIX)
17488 336 327 Hathway IP Over Cable Interne
9498 381 324 BHARTI BT INTERNET LTD.
15270 343 318 PaeTec.net -a division of Pae
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
65535 PRIVATE 70.128.144.0/21 7132 SBC Internet Service
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
/13:179 /14:335 /15:648 /16:8567 /17:2848 /18:4764
/19:10855 /20:11922 /21:9973 /22:13212 /23:14225 /24:93449
/25:327 /26:284 /27:183 /28:33 /29:12 /30:39
/31:3 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 844 860 Covad Communications
6197 769 942 BellSouth Network Solutions,
7018 747 1526 AT&T WorldNet Services
2386 635 921 AT&T Data Communications Serv
9583 632 809 Sify Limited
4323 568 1192 Time Warner Telecom
4766 427 619 Korea Telecom (KIX)
5668 390 485 CenturyTel Internet Holdings,
702 384 604 UUNET - Commercial IP service
7011 367 428 Citizens Utilities
1239 366 857 Sprint
19916 363 369 OLM LLC
6198 350 480 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
701 281 997 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 12:1604 13:1 15:11 16:3
17:3 18:3 20:31 24:562 30:2 32:65
38:162 40:54 44:3 47:2 52:4 55:1
56:3 57:35 58:96 59:76 60:146 61:772
62:779 63:1885 64:2920 65:2084 66:2975 67:641
68:659 69:1301 70:213 71:31 72:414 80:664
81:577 82:502 83:306 84:289 85:362 86:137
87:63 125:14 128:152 129:169 130:96 131:296
132:36 133:1 134:146 135:40 136:158 137:67
138:166 139:66 140:463 141:141 142:148 143:143
144:219 145:34 146:299 147:131 148:276 149:187
150:107 151:69 152:112 153:93 154:5 155:141
156:79 157:113 158:162 159:174 160:87 161:76
162:237 163:146 164:188 165:189 166:153 167:257
168:444 169:141 170:308 171:11 190:1 192:5712
193:3313 194:2430 195:1555 196:666 198:3891 199:3230
200:4251 201:363 202:6141 203:6498 204:3824 205:2050
206:2446 207:2842 208:2020 209:3415 210:1696 211:825
212:1209 213:1359 214:310 215:39 216:3720 217:1145
218:225 219:133 220:509 221:292 222:130
End of report
