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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 26 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 172419
Prefixes after maximum aggregation: 98030
Unique aggregates announced to Internet: 83904
Total ASes present in the Internet Routing Table: 20731
Origin-only ASes present in the Internet Routing Table: 18027
Origin ASes announcing only one prefix: 8547
Transit ASes present in the Internet Routing Table: 2704
Transit-only ASes present in the Internet Routing Table: 75
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: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1452099840
Equivalent to 86 /8s, 141 /16s and 73 /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: 82217
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35988
Total APNIC prefixes after maximum aggregation: 15772
Prefixes being announced from the APNIC address blocks: 33767
Unique aggregates announced from the APNIC address blocks: 16710
APNIC Region origin ASes present in the Internet Routing Table: 2392
APNIC Region origin ASes announcing only one prefix: 698
APNIC Region transit ASes present in the Internet Routing Table: 365
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 204356224
Equivalent to 12 /8s, 46 /16s and 58 /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: 91336
Total ARIN prefixes after maximum aggregation: 55423
Prefixes being announced from the ARIN address blocks: 71359
Unique aggregates announced from the ARIN address blocks: 27047
ARIN Region origin ASes present in the Internet Routing Table: 10254
ARIN Region origin ASes announcing only one prefix: 3782
ARIN Region transit ASes present in the Internet Routing Table: 956
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 272433920
Equivalent to 16 /8s, 61 /16s and 3 /24s
Percentage of available ARIN address space announced: 67.7
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: 33594
Total RIPE prefixes after maximum aggregation: 22764
Prefixes being announced from the RIPE address blocks: 30611
Unique aggregates announced from the RIPE address blocks: 20468
RIPE Region origin ASes present in the Internet Routing Table: 7233
RIPE Region origin ASes announcing only one prefix: 3818
RIPE Region transit ASes present in the Internet Routing Table: 1195
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 221131968
Equivalent to 13 /8s, 46 /16s and 52 /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: 9674
Total LACNIC prefixes after maximum aggregation: 3247
Prefixes being announced from the LACNIC address blocks: 8028
Unique aggregates announced from the LACNIC address blocks: 4645
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: 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: 22311936
Equivalent to 1 /8s, 84 /16s and 116 /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: 1802
Total AfriNIC prefixes after maximum aggregation: 824
Prefixes being announced from the AfriNIC address blocks: 1116
Unique aggregates announced from the AfriNIC address blocks: 821
AfriNIC Region origin ASes present in the Internet Routing Table: 142
AfriNIC Region origin ASes announcing only one prefix: 43
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: 2844416
Equivalent to 0 /8s, 43 /16s and 103 /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 813 77 12 Sify Limited
1221 755 1327 516 Telstra Pty Ltd
4755 738 259 67 Videsh Sanchar Nigam Ltd. Aut
4766 619 3927 290 Korea Telecom (KIX)
7545 507 108 71 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 391 211 58 BHARTI BT INTERNET LTD.
17488 366 22 10 Hathway IP Over Cable Interne
2907 339 1763 316 SINET Japan
9929 332 224 46 China Netcom Corp.
17557 331 24 163 Pakistan Telecom
7474 330 258 227 SingTel Optus Pty Ltd
4802 325 71 155 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 1490 6325 970 AT&T WorldNet Services
4323 1189 705 232 Time Warner Telecom
721 1073 21938 308 DLA Systems Automation Center
174 1051 5847 990 Cogent Communications
701 997 8152 838 UUNET Technologies, Inc.
6197 944 399 487 BellSouth Network Solutions,
2386 913 538 678 AT&T Data Communications Serv
18566 864 240 7 Covad Communications
1239 847 2851 596 Sprint
209 640 3572 506 Qwest
20115 634 515 335 Charter Communications
19916 562 49 58 OLM LLC
3602 559 131 109 Sprint Canada, Inc.
22773 546 1352 27 Cox Communications, Inc.
3356 536 10639 412 Level 3 Communications, LLC
19262 500 1485 124 Verizon Global Networks
5668 484 147 23 CenturyTel Internet Holdings,
3561 476 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 1960 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 238 274 223 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
786 175 1795 175 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 384 641 165 UniNet S.A. de C.V.
16814 297 18 7 NSS, S.A.
11172 279 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 119 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.
23216 87 23 12 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 270 708 227 The Internet Solution
8452 132 44 7 TEDATA
5536 123 8 12 Internet Egypt Network
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
16637 24 10 21 Johnnic e-Ventures
8524 23 1 4 AUCEGYPT Autonomous System
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 1189 957 Time Warner Telecom
18566 864 857 Covad Communications
9583 813 801 Sify Limited
4134 1010 796 CHINANET-BACKBONE
721 1073 765 DLA Systems Automation Center
4755 738 671 Videsh Sanchar Nigam Ltd. Aut
22773 546 519 Cox Communications, Inc.
19916 562 504 OLM LLC
5668 484 461 CenturyTel Internet Holdings,
6197 944 457 BellSouth Network Solutions,
3602 559 450 Sprint Canada, Inc.
7545 507 436 TPG Internet Pty Ltd
19262 500 376 Verizon Global Networks
17676 470 370 Softbank BB Corp.
17488 366 356 Hathway IP Over Cable Interne
812 368 343 Rogers WAVE
9498 391 333 BHARTI BT INTERNET LTD.
4766 619 329 Korea Telecom (KIX)
6467 374 326 E.Spire Communications, Inc.
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
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
192.119.135.0/24 270 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 /9:5 /10:8 /11:18 /12:80
/13:182 /14:336 /15:654 /16:8594 /17:2854 /18:4781
/19:10891 /20:11946 /21:10008 /22:13237 /23:14175 /24:93739
/25:332 /26:281 /27:180 /28:31 /29:10 /30:35
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 848 864 Covad Communications
6197 771 944 BellSouth Network Solutions,
7018 725 1490 AT&T WorldNet Services
9583 636 813 Sify Limited
2386 628 913 AT&T Data Communications Serv
4323 566 1189 Time Warner Telecom
19916 556 562 OLM LLC
4766 427 619 Korea Telecom (KIX)
5668 389 484 CenturyTel Internet Holdings,
702 383 605 UUNET - Commercial IP service
7011 383 443 Citizens Utilities
1239 360 847 Sprint
6517 322 348 Yipes Communications, Inc.
15270 316 343 PaeTec.net -a division of Pae
6198 293 426 BellSouth Network Solutions,
13609 286 327 Choice One Communications Inc
701 283 997 UUNET Technologies, Inc.
18302 279 294 SK Global co., Ltd
22773 278 546 Cox Communications, Inc.
20115 255 634 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:27 12:1601 13:1 15:11 16:3
17:3 18:3 20:41 24:546 30:2 32:68
38:165 40:54 44:3 47:2 52:4 55:1
56:3 57:36 58:97 59:90 60:147 61:788
62:792 63:1880 64:2946 65:2097 66:2953 67:641
68:644 69:1263 70:205 71:32 72:409 80:649
81:571 82:510 83:308 84:302 85:373 86:142
87:67 125:17 128:160 129:168 130:97 131:295
132:36 133:1 134:148 135:40 136:162 137:68
138:166 139:68 140:470 141:141 142:148 143:142
144:218 145:34 146:301 147:131 148:269 149:186
150:109 151:68 152:112 153:93 154:5 155:141
156:78 157:112 158:149 159:175 160:87 161:76
162:237 163:146 164:190 165:189 166:155 167:254
168:450 169:141 170:301 171:11 190:1 192:5708
193:3321 194:2436 195:1566 196:698 198:3907 199:3241
200:4248 201:386 202:6176 203:6550 204:3826 205:2019
206:2441 207:2830 208:1998 209:3428 210:1698 211:827
212:1211 213:1363 214:316 215:42 216:3852 217:1140
218:222 219:132 220:502 221:294 222:132
End of report
