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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 12 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171450
Prefixes after maximum aggregation: 97729
Unique aggregates announced to Internet: 82995
Total ASes present in the Internet Routing Table: 20656
Origin-only ASes present in the Internet Routing Table: 17971
Origin ASes announcing only one prefix: 8526
Transit ASes present in the Internet Routing Table: 2685
Transit-only ASes present in the Internet Routing Table: 73
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: 12
Number of addresses announced to Internet: 1431319104
Equivalent to 85 /8s, 80 /16s and 50 /24s
Percentage of available address space announced: 38.6
Percentage of allocated address space announced: 58.1
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81626
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35628
Total APNIC prefixes after maximum aggregation: 15686
Prefixes being announced from the APNIC address blocks: 33442
Unique aggregates announced from the APNIC address blocks: 16625
APNIC Region origin ASes present in the Internet Routing Table: 2382
APNIC Region origin ASes announcing only one prefix: 700
APNIC Region transit ASes present in the Internet Routing Table: 360
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 202524032
Equivalent to 12 /8s, 18 /16s and 69 /24s
Percentage of available APNIC address space announced: 75.2
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: 91072
Total ARIN prefixes after maximum aggregation: 55351
Prefixes being announced from the ARIN address blocks: 71130
Unique aggregates announced from the ARIN address blocks: 26372
ARIN Region origin ASes present in the Internet Routing Table: 10236
ARIN Region origin ASes announcing only one prefix: 3777
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: 271774208
Equivalent to 16 /8s, 50 /16s and 242 /24s
Percentage of available ARIN address space announced: 67.5
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: 33294
Total RIPE prefixes after maximum aggregation: 22637
Prefixes being announced from the RIPE address blocks: 30330
Unique aggregates announced from the RIPE address blocks: 20337
RIPE Region origin ASes present in the Internet Routing Table: 7192
RIPE Region origin ASes announcing only one prefix: 3801
RIPE Region transit ASes present in the Internet Routing Table: 1187
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 219770624
Equivalent to 13 /8s, 25 /16s and 111 /24s
Percentage of available RIPE address space announced: 65.5
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: 3233
Prefixes being announced from the LACNIC address blocks: 8014
Unique aggregates announced from the LACNIC address blocks: 4716
LACNIC Region origin ASes present in the Internet Routing Table: 642
LACNIC Region origin ASes announcing only one prefix: 203
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22293248
Equivalent to 1 /8s, 84 /16s and 43 /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: 1756
Total AfriNIC prefixes after maximum aggregation: 822
Prefixes being announced from the AfriNIC address blocks: 1070
Unique aggregates announced from the AfriNIC address blocks: 793
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 45
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: 2838016
Equivalent to 0 /8s, 43 /16s and 78 /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 1003 6236 210 CHINANET-BACKBONE
9583 803 77 12 Sify Limited
1221 752 1330 514 Telstra Pty Ltd
4755 717 259 67 Videsh Sanchar Nigam Ltd. Aut
4766 618 3927 290 Korea Telecom (KIX)
7545 512 108 72 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 349 211 57 BHARTI BT INTERNET LTD.
2907 337 1763 314 SINET Japan
17488 336 20 9 Hathway IP Over Cable Interne
9929 330 224 46 China Netcom Corp.
17557 330 39 162 Pakistan Telecom
7474 329 258 227 SingTel Optus Pty Ltd
4802 318 70 159 Wantree Development
18302 295 109 162 SK Global co., Ltd
9837 276 79 176 Powertel Ltd
17974 272 65 14 PT TELEKOMUNIKASI INDONESIA
18101 263 68 18 Reliance Infocom Ltd Internet
9800 253 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1522 6363 994 AT&T WorldNet Services
4323 1181 705 228 Time Warner Telecom
721 1074 21938 308 DLA Systems Automation Center
174 1060 5849 994 Cogent Communications
701 1001 8121 838 UUNET Technologies, Inc.
6197 946 399 489 BellSouth Network Solutions,
2386 930 514 691 AT&T Data Communications Serv
1239 861 2852 605 Sprint
18566 860 240 7 Covad Communications
209 634 3569 499 Qwest
20115 626 511 330 Charter Communications
3602 560 131 109 Sprint Canada, Inc.
22773 547 1356 32 Cox Communications, Inc.
3356 546 10656 420 Level 3 Communications, LLC
3561 543 2409 416 Savvis
6198 478 446 222 BellSouth Network Solutions,
5668 477 147 24 CenturyTel Internet Holdings,
19262 474 1426 122 Verizon Global Networks
7132 468 5043 399 SBC Internet Services
852 436 1092 382 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 607 1993 480 UUNET - Commercial IP service
3301 303 1081 289 TeliaNet Sweden
3320 284 3230 239 Deutsche Telekom AG
8220 268 475 263 COLT Telecommunications
680 243 2040 239 DFN-IP service G-WiN
8708 239 274 224 Romania Data Systems S.A.
3246 226 474 219 Song Networks
1257 194 712 172 SWIPnet Swedish IP Network
6746 192 50 166 Dynamic Network Technologies,
5515 181 777 127 Sonera Solution Autonomous Sy
3269 178 1638 70 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 160 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
3300 155 185 90 AUCS Communications Services
25186 152 227 107 France Telecom Transpac's Tra
3215 140 1205 82 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
3352 135 1368 33 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 404 650 171 UniNet S.A. de C.V.
16814 297 18 7 NSS, S.A.
11172 278 85 65 Servicios Alestra S.A de C.V
11664 202 22 19 Keytech SA
19632 195 14 5 Metropolis Intercom S.A.
6147 191 118 21 Telefonica Del Peru
22047 170 128 7 VTR PUNTO NET S.A.
14117 155 10 5 Telefonica del Sur S.A.
7303 145 68 17 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.
6503 113 148 73 AVANTEL, S.A.
18822 112 7 13 TELEFONICA MANQUEHUE
21826 108 14 17 INTERCABLE
5639 103 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 268 708 226 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 116 44 7 TEDATA
2018 95 295 86 Tertiary Education Network
15475 82 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
20928 60 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
5713 38 149 33 Telkom SA Ltd
12455 35 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 29 3 19 AS Number for Telecom Algeria
8524 24 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 1181 953 Time Warner Telecom
18566 860 853 Covad Communications
4134 1003 793 CHINANET-BACKBONE
9583 803 791 Sify Limited
721 1074 766 DLA Systems Automation Center
4755 717 650 Videsh Sanchar Nigam Ltd. Aut
22773 547 515 Cox Communications, Inc.
6197 946 457 BellSouth Network Solutions,
5668 477 453 CenturyTel Internet Holdings,
3602 560 451 Sprint Canada, Inc.
7545 512 440 TPG Internet Pty Ltd
17676 470 370 Softbank BB Corp.
6467 402 354 E.Spire Communications, Inc.
19262 474 352 Verizon Global Networks
11492 342 332 Cable One
4766 618 328 Korea Telecom (KIX)
17488 336 327 Hathway IP Over Cable Interne
15270 346 318 PaeTec.net -a division of Pae
9443 392 314 Primus Telecommunications
13609 332 302 Choice One Communications Inc
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
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
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
64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
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
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
/13:180 /14:328 /15:642 /16:8543 /17:2821 /18:4744
/19:10825 /20:11902 /21:9897 /22:13236 /23:14225 /24:93082
/25:325 /26:281 /27:177 /28:32 /29:12 /30:37
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 844 860 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 740 1522 AT&T WorldNet Services
2386 642 930 AT&T Data Communications Serv
9583 626 803 Sify Limited
4323 561 1181 Time Warner Telecom
4766 426 618 Korea Telecom (KIX)
702 384 607 UUNET - Commercial IP service
5668 382 477 CenturyTel Internet Holdings,
1239 368 861 Sprint
7011 367 426 Citizens Utilities
19916 363 369 OLM LLC
6198 349 478 BellSouth Network Solutions,
11492 334 342 Cable One
6517 319 345 Yipes Communications, Inc.
15270 316 346 PaeTec.net -a division of Pae
13609 289 332 Choice One Communications Inc
701 285 1001 UUNET Technologies, Inc.
18302 280 295 SK Global co., Ltd
22773 277 547 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:25 12:1603 13:1 15:11 16:3
17:3 18:3 20:31 24:559 30:3 32:67
38:162 40:54 44:3 47:2 52:4 55:1
56:3 57:36 58:93 59:69 60:140 61:760
62:784 63:1888 64:2911 65:2077 66:2963 67:634
68:659 69:1239 70:209 71:27 72:401 80:635
81:571 82:496 83:294 84:275 85:338 86:131
87:58 125:11 128:152 129:169 130:96 131:296
132:35 133:1 134:146 135:43 136:160 137:66
138:165 139:63 140:463 141:141 142:148 143:142
144:219 145:34 146:302 147:112 148:278 149:188
150:107 151:70 152:113 153:93 154:5 155:140
156:79 157:113 158:164 159:173 160:87 161:75
162:236 163:148 164:191 165:176 166:152 167:260
168:442 169:143 170:308 171:8 190:1 192:5709
193:3306 194:2423 195:1570 196:659 198:3887 199:3228
200:4242 201:357 202:6134 203:6470 204:3820 205:2059
206:2442 207:2842 208:2025 209:3405 210:1686 211:823
212:1216 213:1362 214:308 215:39 216:3713 217:1136
218:223 219:132 220:508 221:286 222:129
End of report
