[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 28 Jun, 2005
Analysis Summary
----------------
BGP routing table entries examined: 164954
Prefixes after maximum aggregation: 95665
Unique aggregates announced to Internet: 79843
Total ASes present in the Internet Routing Table: 19947
Origin-only ASes present in the Internet Routing Table: 17366
Origin ASes announcing only one prefix: 8160
Transit ASes present in the Internet Routing Table: 2581
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Prefixes from unregistered ASNs in the Routing Table: 28
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1403315680
Equivalent to 83 /8s, 164 /16s and 229 /24s
Percentage of available address space announced: 37.9
Percentage of allocated address space announced: 58.2
Percentage of available address space allocated: 65.1
Total number of prefixes smaller than registry allocations: 78112
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 34009
Total APNIC prefixes after maximum aggregation: 15971
Prefixes being announced from the APNIC address blocks: 31835
Unique aggregates announced from the APNIC address blocks: 16018
APNIC Region origin ASes present in the Internet Routing Table: 2300
APNIC Region origin ASes announcing only one prefix: 671
APNIC Region transit ASes present in the Internet Routing Table: 350
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 186912384
Equivalent to 11 /8s, 36 /16s and 14 /24s
Percentage of available APNIC address space announced: 69.4
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: 88831
Total ARIN prefixes after maximum aggregation: 54126
Prefixes being announced from the ARIN address blocks: 69401
Unique aggregates announced from the ARIN address blocks: 25557
ARIN Region origin ASes present in the Internet Routing Table: 10031
ARIN Region origin ASes announcing only one prefix: 3684
ARIN Region transit ASes present in the Internet Routing Table: 946
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 251090432
Equivalent to 14 /8s, 247 /16s and 86 /24s
Percentage of available ARIN address space announced: 62.4
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: 31423
Total RIPE prefixes after maximum aggregation: 21667
Prefixes being announced from the RIPE address blocks: 28558
Unique aggregates announced from the RIPE address blocks: 19252
RIPE Region origin ASes present in the Internet Routing Table: 6794
RIPE Region origin ASes announcing only one prefix: 3578
RIPE Region transit ASes present in the Internet Routing Table: 1118
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 210239296
Equivalent to 12 /8s, 135 /16s and 255 /24s
Percentage of available RIPE address space announced: 73.7
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
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9000
Total LACNIC prefixes after maximum aggregation: 3128
Prefixes being announced from the LACNIC address blocks: 7386
Unique aggregates announced from the LACNIC address blocks: 4311
LACNIC Region origin ASes present in the Internet Routing Table: 624
LACNIC Region origin ASes announcing only one prefix: 190
LACNIC Region transit ASes present in the Internet Routing Table: 114
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 20383264
Equivalent to 1 /8s, 55 /16s and 6 /24s
Percentage of available LACNIC address space announced: 30.4
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: 1657
Total AfriNIC prefixes after maximum aggregation: 773
Prefixes being announced from the AfriNIC address blocks: 1021
Unique aggregates announced from the AfriNIC address blocks: 779
AfriNIC Region origin ASes present in the Internet Routing Table: 129
AfriNIC Region origin ASes announcing only one prefix: 37
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2296832
Equivalent to 0 /8s, 35 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 6.8
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 913 5150 193 CHINANET-BACKBONE
1221 759 1454 535 Telstra Pty Ltd
9583 757 55 79 Sify Limited
4755 657 248 146 Videsh Sanchar Nigam Ltd. Aut
4766 591 3413 279 Korea Telecom (KIX)
7545 501 104 72 TPG Internet Pty Ltd
17676 436 6589 75 Softbank BB Corp.
9443 375 77 77 Primus Telecommunications
9929 353 221 48 China Netcom Corp.
10036 345 65 311 C&M Communication Co. Ltd.
2907 344 1822 319 SINET Japan
9498 322 83 61 BHARTI BT INTERNET LTD.
7474 313 271 216 SingTel Optus Pty Ltd
4802 283 50 162 Wantree Development
4808 280 243 158 CNCGROUP IP network: China169
9837 280 80 184 Powertel Ltd
17974 267 65 14 PT TELEKOMUNIKASI INDONESIA
18302 267 108 151 SK Global co., Ltd
2764 254 238 199 AAPT Limited
17488 254 15 18 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 6428 959 AT&T WorldNet Services
174 1149 5809 1068 Cogent Communications
4323 1119 647 217 Time Warner Telecom
721 1112 21787 313 DLA Systems Automation Center
701 1012 8168 854 UUNET Technologies, Inc.
6197 931 535 433 BellSouth Network Solutions,
2386 885 526 652 AT&T Data Communications Serv
1239 879 2867 634 Sprint
18566 824 224 7 Covad Communications
20115 649 497 321 Charter Communications
209 629 3507 499 Qwest
3356 560 10790 428 Level 3 Communications, LLC
27364 557 43 18 Armstrong Cable Services
3602 543 123 101 Sprint Canada, Inc.
852 541 1093 388 Telus Advanced Communications
3561 539 2385 422 Savvis
22773 497 1188 23 Cox Communications, Inc.
7725 491 60 15 MediaOne
5668 488 115 25 CenturyTel Internet Holdings,
6198 463 416 218 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 596 2001 488 UUNET - Commercial IP service
3320 305 3232 242 Deutsche Telekom AG
3301 297 1081 284 TeliaNet Sweden
8220 267 469 262 COLT Telecommunications
680 244 2041 240 DFN-IP service G-WiN
8708 229 253 212 Romania Data Systems S.A.
3246 225 488 220 Song Networks
1257 197 712 174 SWIPnet Swedish IP Network
5515 179 778 129 Sonera Solution Autonomous Sy
786 175 1794 175 The JANET IP Service
6746 170 48 148 Dynamic Network Technologies,
5400 169 285 144 BT Ignite European Backbone
3269 168 1520 72 TELECOM ITALIA
8866 157 21 11 Bulgarian Telecommunication C
3300 154 184 87 AUCS Communications Services
6830 147 537 31 UPC Distribution Services
9121 143 273 34 TTnet Autonomous System
25186 139 137 96 France Telecom Transpac's Tra
3352 137 1272 35 Ibernet, Internet Access Netw
8551 133 116 20 Bezeq International
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 378 600 162 UniNet S.A. de C.V.
16814 264 16 12 NSS, S.A.
11172 219 98 52 Servicios Alestra S.A de C.V
6147 197 110 21 Telefonica Del Peru
11664 196 19 23 Keytech SA
14117 152 9 5 Telefonica del Sur S.A.
7303 149 68 21 Telecom Argentina Stet-France
22047 133 112 7 VTR PUNTO NET S.A.
6505 131 90 88 Global One Communicaoes Ltda
11556 131 64 3 Cable-Wireless Panama
19169 111 7 22 Telconet
18822 109 7 14 TELEFONICA MANQUEHUE
19632 109 14 5 Metropolis Intercom S.A.
13999 107 52 9 Mega Cable S.A. de C.V.
10481 101 40 7 Prima S.A.
6503 100 146 72 AVANTEL, S.A.
22927 96 73 25 TELEFONICA DE ARGENTINA
23216 96 24 23 RAMtelecom Telecomunicaciones
21826 95 13 20 INTERCABLE
5639 94 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 637 223 The Internet Solution
5536 119 15 17 Internet Egypt Network
8452 92 28 6 TEDATA
2018 91 295 86 Tertiary Education Network
20928 82 16 2 Noor Advanced Technologies AS
2905 75 266 67 The Internetworking Company o
6713 59 54 8 Itissalat Al-MAGHRIB
24835 57 34 6 RAYA Telecom - Egypt
9129 45 3 3 UUNET Kenya
12455 40 6 3 Jambonet Autonomous system
5713 36 142 29 Telkom SA Ltd
15475 34 84 4 Nile Online
15706 31 8 3 Sudatel Internet Exchange Aut
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
23889 19 5 8 MAURITIUS TELECOM
21491 18 1 1 UTL On-line is RF broadband I
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 1119 902 Time Warner Telecom
18566 824 817 Covad Communications
721 1112 799 DLA Systems Automation Center
4134 913 720 CHINANET-BACKBONE
9583 757 678 Sify Limited
27364 557 539 Armstrong Cable Services
4755 657 511 Videsh Sanchar Nigam Ltd. Aut
6197 931 498 BellSouth Network Solutions,
7725 491 476 MediaOne
22773 497 474 Cox Communications, Inc.
5668 488 463 CenturyTel Internet Holdings,
3602 543 442 Sprint Canada, Inc.
7545 501 429 TPG Internet Pty Ltd
6467 413 379 E.Spire Communications, Inc.
17676 436 361 Softbank BB Corp.
6140 404 329 ImpSat
20115 649 328 Charter Communications
4766 591 312 Korea Telecom (KIX)
19262 415 306 Verizon Global Networks
9929 353 305 China Netcom Corp.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65499 PRIVATE 62.189.36.0/24 2830 UUNET Dual-Homed cus
65424 PRIVATE 66.225.194.0/24 23352 Server Central Netwo
65424 PRIVATE 66.225.194.0/23 23352 Server Central Netwo
65424 PRIVATE 66.225.195.0/24 23352 Server Central Netwo
65050 PRIVATE 168.96.148.0/24 6140 ImpSat
65507 PRIVATE 200.0.64.0/24 27750 Cooperación Latino A
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
64512 PRIVATE 200.59.145.0/24 11664 Keytech SA
64512 PRIVATE 200.59.146.0/24 11664 Keytech SA
64512 PRIVATE 200.59.147.0/24 11664 Keytech SA
64512 PRIVATE 200.59.161.0/24 11664 Keytech SA
64512 PRIVATE 200.59.162.0/24 11664 Keytech SA
64512 PRIVATE 200.61.32.0/23 11664 Keytech SA
64512 PRIVATE 200.61.62.0/23 11664 Keytech SA
64512 PRIVATE 200.80.154.0/23 11664 Keytech SA
65201 PRIVATE 201.30.243.0/24 4230 Embratel
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65424 PRIVATE 205.234.203.0/24 23352 Server Central Netwo
65444 PRIVATE 212.25.125.0/24 8551 Bezeq International
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
50.160.0.0/13 1221 Telstra Pty Ltd
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
172.32.0.0/24 7011 Citizens Utilities
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
192.169.0.0/23 3970 RGnet, Inc.
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 /8:18 /9:3 /10:8 /11:15 /12:73
/13:161 /14:310 /15:591 /16:8434 /17:2598 /18:4454
/19:10444 /20:11320 /21:9315 /22:12721 /23:13736 /24:89780
/25:324 /26:305 /27:167 /28:45 /29:30 /30:69
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 808 824 Covad Communications
6197 758 931 BellSouth Network Solutions,
7018 688 1482 AT&T WorldNet Services
2386 600 885 AT&T Data Communications Serv
9583 576 757 Sify Limited
27364 548 557 Armstrong Cable Services
4323 540 1119 Time Warner Telecom
7725 462 491 MediaOne
4766 409 591 Korea Telecom (KIX)
5668 402 488 CenturyTel Internet Holdings,
702 368 596 UUNET - Commercial IP service
1239 367 879 Sprint
6198 337 463 BellSouth Network Solutions,
10036 335 345 C&M Communication Co. Ltd.
7011 304 354 Citizens Utilities
6467 287 413 E.Spire Communications, Inc.
15270 286 311 PaeTec.net -a division of Pae
6517 283 305 Yipes Communications, Inc.
20115 281 649 Charter Communications
11456 274 312 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:17 9:1 12:1547 13:1 15:9
16:2 17:3 18:3 20:4 24:1173 30:2
32:69 33:4 38:132 40:54 44:3 47:2
52:4 55:2 56:3 57:27 58:70 59:53
60:60 61:780 62:622 63:1883 64:2764 65:2084
66:2926 67:596 68:541 69:1072 70:120 71:10
72:246 80:586 81:573 82:453 83:279 84:208
85:268 86:28 128:178 129:174 130:87 131:297
132:38 133:1 134:146 135:43 136:135 137:66
138:168 139:59 140:263 141:105 142:149 143:143
144:194 145:32 146:287 147:107 148:303 149:171
150:106 151:65 152:107 153:88 154:4 155:142
156:78 157:99 158:160 159:169 160:77 161:68
162:209 163:92 164:209 165:178 166:154 167:242
168:431 169:139 170:310 171:9 172:1 192:5688
193:3176 194:2386 195:1564 196:664 198:3899 199:3228
200:4014 201:173 202:5645 203:6267 204:3771 205:2018
206:2464 207:2821 208:2085 209:3325 210:1697 211:855
212:1226 213:1295 214:267 215:31 216:3433 217:1146
218:206 219:131 220:392 221:230 222:112
End of report
