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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 25 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 172430
Prefixes after maximum aggregation: 97948
Unique aggregates announced to Internet: 83682
Total ASes present in the Internet Routing Table: 20701
Origin-only ASes present in the Internet Routing Table: 18000
Origin ASes announcing only one prefix: 8531
Transit ASes present in the Internet Routing Table: 2701
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 25
Prefixes from unregistered ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1451860480
Equivalent to 86 /8s, 137 /16s and 162 /24s
Percentage of available address space announced: 39.2
Percentage of allocated address space announced: 59.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 82231
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 36021
Total APNIC prefixes after maximum aggregation: 15780
Prefixes being announced from the APNIC address blocks: 33809
Unique aggregates announced from the APNIC address blocks: 16731
APNIC Region origin ASes present in the Internet Routing Table: 2392
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 364
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 204314240
Equivalent to 12 /8s, 45 /16s and 150 /24s
Percentage of available APNIC address space announced: 75.8
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: 91340
Total ARIN prefixes after maximum aggregation: 55354
Prefixes being announced from the ARIN address blocks: 71379
Unique aggregates announced from the ARIN address blocks: 26872
ARIN Region origin ASes present in the Internet Routing Table: 10236
ARIN Region origin ASes announcing only one prefix: 3776
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 272289280
Equivalent to 16 /8s, 58 /16s and 206 /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: 33571
Total RIPE prefixes after maximum aggregation: 22759
Prefixes being announced from the RIPE address blocks: 30590
Unique aggregates announced from the RIPE address blocks: 20454
RIPE Region origin ASes present in the Internet Routing Table: 7224
RIPE Region origin ASes announcing only one prefix: 3811
RIPE Region transit ASes present in the Internet Routing Table: 1193
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 221093056
Equivalent to 13 /8s, 45 /16s and 156 /24s
Percentage of available RIPE address space announced: 65.9
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: 9699
Total LACNIC prefixes after maximum aggregation: 3235
Prefixes being announced from the LACNIC address blocks: 8008
Unique aggregates announced from the LACNIC address blocks: 4615
LACNIC Region origin ASes present in the Internet Routing Table: 642
LACNIC Region origin ASes announcing only one prefix: 204
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22299136
Equivalent to 1 /8s, 84 /16s and 66 /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: 1774
Total AfriNIC prefixes after maximum aggregation: 820
Prefixes being announced from the AfriNIC address blocks: 1089
Unique aggregates announced from the AfriNIC address blocks: 803
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2841856
Equivalent to 0 /8s, 43 /16s and 93 /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 1010 6318 214 CHINANET-BACKBONE
9583 812 77 12 Sify Limited
1221 754 1327 515 Telstra Pty Ltd
4755 728 259 67 Videsh Sanchar Nigam Ltd. Aut
4766 619 3927 290 Korea Telecom (KIX)
7545 511 108 71 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 392 211 58 BHARTI BT INTERNET LTD.
17488 366 22 10 Hathway IP Over Cable Interne
2907 339 1763 316 SINET Japan
9929 331 224 46 China Netcom Corp.
7474 330 258 227 SingTel Optus Pty Ltd
17557 330 24 162 Pakistan Telecom
4802 325 72 154 Wantree Development
18302 294 109 171 SK Global co., Ltd
9837 276 79 177 Powertel Ltd
17974 273 65 16 PT TELEKOMUNIKASI INDONESIA
18101 265 68 18 Reliance Infocom Ltd Internet
703 255 260 211 UUNET - Commercial IP service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1506 6341 981 AT&T WorldNet Services
4323 1188 705 231 Time Warner Telecom
721 1073 21938 309 DLA Systems Automation Center
174 1049 5847 988 Cogent Communications
701 996 8138 836 UUNET Technologies, Inc.
6197 943 399 486 BellSouth Network Solutions,
2386 916 522 678 AT&T Data Communications Serv
18566 864 240 7 Covad Communications
1239 849 2852 599 Sprint
209 640 3572 506 Qwest
20115 633 515 336 Charter Communications
3602 559 131 109 Sprint Canada, Inc.
19916 551 49 58 OLM LLC
22773 545 1348 27 Cox Communications, Inc.
3356 535 10639 411 Level 3 Communications, LLC
19262 495 1473 124 Verizon Global Networks
5668 484 147 23 CenturyTel Internet Holdings,
3561 475 2409 403 Savvis
7132 469 5060 400 SBC Internet Services
7011 443 150 294 Citizens Utilities
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 605 1976 478 UUNET - Commercial IP service
3301 305 1085 291 TeliaNet Sweden
3320 286 3231 241 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 239 DFN-IP service G-WiN
8708 239 274 224 Romania Data Systems S.A.
3246 226 474 219 Song Networks
6746 196 51 168 Dynamic Network Technologies,
1257 190 712 168 SWIPnet Swedish IP Network
3269 182 1734 70 TELECOM ITALIA
5515 182 840 128 Sonera Solution Autonomous Sy
786 174 1795 174 The JANET IP Service
5400 173 317 143 BT Ignite European Backbone
6830 161 669 33 UPC Distribution Services
8866 160 37 9 Bulgarian Telecommunication C
3300 157 169 91 AUCS Communications Services
25186 151 227 106 France Telecom Transpac's Tra
3215 142 1229 81 France Telecom Transpac
24863 141 37 6 LINKdotNET AS number
3352 137 1384 33 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 385 641 166 UniNet S.A. de C.V.
16814 297 18 7 NSS, S.A.
11172 278 88 70 Servicios Alestra S.A de C.V
11664 198 22 13 Keytech SA
19632 196 14 5 Metropolis Intercom S.A.
6147 189 118 21 Telefonica Del Peru
14117 169 10 5 Telefonica del Sur S.A.
22047 169 128 7 VTR PUNTO NET S.A.
7303 149 69 15 Telecom Argentina Stet-France
11556 132 64 2 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.
18822 112 7 13 TELEFONICA MANQUEHUE
6503 109 148 76 AVANTEL, S.A.
21826 108 14 17 INTERCABLE
5639 107 12 9 Telecommunications Services o
11311 99 8 10 Sinectis S.A.
14522 91 10 7 SatNet S.A.
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 123 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 58 34 6 RAYA Telecom - Egypt
5713 37 149 33 Telkom SA Ltd
12455 35 6 3 Jambonet Autonomous system
33774 32 3 22 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
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
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1188 957 Time Warner Telecom
18566 864 857 Covad Communications
9583 812 800 Sify Limited
4134 1010 796 CHINANET-BACKBONE
721 1073 764 DLA Systems Automation Center
4755 728 661 Videsh Sanchar Nigam Ltd. Aut
22773 545 518 Cox Communications, Inc.
19916 551 493 OLM LLC
5668 484 461 CenturyTel Internet Holdings,
6197 943 457 BellSouth Network Solutions,
3602 559 450 Sprint Canada, Inc.
7545 511 440 TPG Internet Pty Ltd
19262 495 371 Verizon Global Networks
17676 470 370 Softbank BB Corp.
17488 366 356 Hathway IP Over Cable Interne
812 368 343 Rogers WAVE
11492 347 336 Cable One
9498 392 334 BHARTI BT INTERNET LTD.
4766 619 329 Korea Telecom (KIX)
6467 374 326 E.Spire Communications, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT
65002 PRIVATE 64.119.148.0/22 19406 Towerstream
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
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
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
192.172.0.0/19 721 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 /9:5 /10:8 /11:18 /12:80
/13:182 /14:336 /15:654 /16:8594 /17:2852 /18:4780
/19:10888 /20:11934 /21:10004 /22:13253 /23:14225 /24:93686
/25:332 /26:281 /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 848 864 Covad Communications
6197 770 943 BellSouth Network Solutions,
7018 739 1506 AT&T WorldNet Services
9583 635 812 Sify Limited
2386 632 916 AT&T Data Communications Serv
4323 564 1188 Time Warner Telecom
19916 542 551 OLM LLC
4766 427 619 Korea Telecom (KIX)
5668 389 484 CenturyTel Internet Holdings,
7011 383 443 Citizens Utilities
702 382 605 UUNET - Commercial IP service
1239 363 849 Sprint
11492 339 347 Cable One
6517 323 349 Yipes Communications, Inc.
15270 316 343 PaeTec.net -a division of Pae
6198 294 427 BellSouth Network Solutions,
13609 286 327 Choice One Communications Inc
701 283 996 UUNET Technologies, Inc.
18302 279 294 SK Global co., Ltd
22773 278 545 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:26 12:1607 13:1 15:11 16:3
17:3 18:3 20:41 24:566 30:2 32:68
38:165 40:54 44:3 47:2 52:4 55:1
56:3 57:35 58:97 59:84 60:146 61:790
62:795 63:1867 64:2942 65:2092 66:2965 67:642
68:644 69:1265 70:205 71:32 72:414 80:652
81:572 82:505 83:308 84:298 85:363 86:140
87:65 125:16 128:153 129:168 130:97 131:295
132:36 133:1 134:148 135:40 136:161 137:68
138:166 139:68 140:468 141:141 142:148 143:142
144:218 145:34 146:301 147:130 148:269 149:187
150:108 151:68 152:112 153:93 154:5 155:142
156:78 157:111 158:161 159:174 160:87 161:76
162:237 163:146 164:190 165:190 166:154 167:254
168:447 169:141 170:313 171:11 190:1 192:5707
193:3323 194:2431 195:1565 196:671 198:3908 199:3241
200:4233 201:386 202:6204 203:6533 204:3825 205:2032
206:2437 207:2834 208:2001 209:3405 210:1703 211:827
212:1210 213:1362 214:318 215:42 216:3829 217:1134
218:222 219:132 220:509 221:294 222:130
End of report
