[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 06 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 169599
Prefixes after maximum aggregation: 97078
Unique aggregates announced to Internet: 82034
Total ASes present in the Internet Routing Table: 20394
Origin-only ASes present in the Internet Routing Table: 17756
Origin ASes announcing only one prefix: 8412
Transit ASes present in the Internet Routing Table: 2638
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 21
Prefixes from unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1415618176
Equivalent to 84 /8s, 96 /16s and 158 /24s
Percentage of available address space announced: 38.2
Percentage of allocated address space announced: 57.5
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80706
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35222
Total APNIC prefixes after maximum aggregation: 15775
Prefixes being announced from the APNIC address blocks: 33071
Unique aggregates announced from the APNIC address blocks: 16586
APNIC Region origin ASes present in the Internet Routing Table: 2346
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 196120832
Equivalent to 11 /8s, 176 /16s and 145 /24s
Percentage of available APNIC address space announced: 72.8
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: 90321
Total ARIN prefixes after maximum aggregation: 55001
Prefixes being announced from the ARIN address blocks: 70606
Unique aggregates announced from the ARIN address blocks: 25983
ARIN Region origin ASes present in the Internet Routing Table: 10167
ARIN Region origin ASes announcing only one prefix: 3760
ARIN Region transit ASes present in the Internet Routing Table: 948
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 263848960
Equivalent to 15 /8s, 186 /16s and 4 /24s
Percentage of available ARIN address space announced: 65.5
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: 32902
Total RIPE prefixes after maximum aggregation: 22335
Prefixes being announced from the RIPE address blocks: 29935
Unique aggregates announced from the RIPE address blocks: 20095
RIPE Region origin ASes present in the Internet Routing Table: 7051
RIPE Region origin ASes announcing only one prefix: 3718
RIPE Region transit ASes present in the Internet Routing Table: 1164
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 216939136
Equivalent to 12 /8s, 238 /16s and 58 /24s
Percentage of available RIPE address space announced: 64.7
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, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9429
Total LACNIC prefixes after maximum aggregation: 3172
Prefixes being announced from the LACNIC address blocks: 7784
Unique aggregates announced from the LACNIC address blocks: 4485
LACNIC Region origin ASes present in the Internet Routing Table: 632
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 120
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 21901312
Equivalent to 1 /8s, 78 /16s and 48 /24s
Percentage of available LACNIC address space announced: 32.6
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: 1703
Total AfriNIC prefixes after maximum aggregation: 795
Prefixes being announced from the AfriNIC address blocks: 1032
Unique aggregates announced from the AfriNIC address blocks: 786
AfriNIC Region origin ASes present in the Internet Routing Table: 136
AfriNIC Region origin ASes announcing only one prefix: 42
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: 2646784
Equivalent to 0 /8s, 40 /16s and 99 /24s
Percentage of available AfriNIC address space announced: 7.9
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 960 5596 196 CHINANET-BACKBONE
9583 777 77 14 Sify Limited
1221 749 1327 517 Telstra Pty Ltd
4755 705 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 519 108 73 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
2907 336 1788 313 SINET Japan
9498 336 115 59 BHARTI BT INTERNET LTD.
9929 334 224 46 China Netcom Corp.
17557 325 23 153 Pakistan Telecom
17488 319 19 8 Hathway IP Over Cable Interne
7474 315 257 218 SingTel Optus Pty Ltd
4802 298 53 159 Wantree Development
18302 295 109 160 SK Global co., Ltd
9837 277 79 178 Powertel Ltd
17974 264 65 14 PT TELEKOMUNIKASI INDONESIA
703 254 262 208 UUNET - Commercial IP service
9800 244 386 65 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1510 6375 985 AT&T WorldNet Services
4323 1161 705 224 Time Warner Telecom
174 1116 5852 1020 Cogent Communications
721 1078 21922 310 DLA Systems Automation Center
701 998 8120 842 UUNET Technologies, Inc.
6197 947 503 446 BellSouth Network Solutions,
2386 899 513 671 AT&T Data Communications Serv
1239 865 2850 610 Sprint
18566 840 224 20 Covad Communications
20115 624 489 327 Charter Communications
209 622 3454 486 Qwest
3356 573 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 551 125 106 Sprint Canada, Inc.
3561 540 2401 421 Savvis
22773 502 1352 27 Cox Communications, Inc.
5668 497 115 23 CenturyTel Internet Holdings,
6198 473 417 228 BellSouth Network Solutions,
7132 459 4949 393 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 598 1998 485 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 294 3232 240 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 234 262 214 Romania Data Systems S.A.
3246 228 468 221 Song Networks
1257 197 712 175 SWIPnet Swedish IP Network
9121 190 289 41 TTnet Autonomous System
6746 184 50 160 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
786 174 1795 174 The JANET IP Service
3269 172 1558 68 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
3216 163 96 22 Teleross, Moscow, Russia
6830 157 669 33 UPC Distribution Services
3300 155 184 90 AUCS Communications Services
25186 143 145 100 France Telecom Transpac's Tra
8551 138 120 20 Bezeq International
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 397 650 168 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 241 83 57 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 154 10 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 129 64 2 Cable-Wireless Panama
6505 122 89 86 Global One Communicaoes Ltda
19169 121 8 25 Telconet
10481 120 48 8 Prima S.A.
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
13999 109 52 9 Mega Cable S.A. de C.V.
21826 104 13 15 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 24 19 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 707 221 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 106 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 88 84 4 Nile Online
2905 77 210 69 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 40 3 4 UUNET Kenya
12455 34 6 6 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 20 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 1161 937 Time Warner Telecom
18566 840 820 Covad Communications
721 1078 768 DLA Systems Automation Center
4134 960 764 CHINANET-BACKBONE
9583 777 763 Sify Limited
4755 705 641 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 947 501 BellSouth Network Solutions,
22773 502 475 Cox Communications, Inc.
5668 497 474 CenturyTel Internet Holdings,
7545 519 446 TPG Internet Pty Ltd
3602 551 445 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 423 350 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
11492 325 318 Cable One
4766 602 317 Korea Telecom (KIX)
17488 319 311 Hathway IP Over Cable Interne
9443 386 307 Primus Telecommunications
15270 333 306 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 211.158.36.0/22 23851 Chongqing Broadband
65500 PRIVATE 211.158.40.0/22 23851 Chongqing Broadband
65500 PRIVATE 211.158.44.0/22 23851 Chongqing Broadband
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 /9:3 /10:8 /11:17 /12:77
/13:171 /14:320 /15:626 /16:8486 /17:2705 /18:4630
/19:10689 /20:11710 /21:9772 /22:13159 /23:14033 /24:92196
/25:330 /26:312 /27:174 /28:46 /29:23 /30:63
/31:1 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 825 840 Covad Communications
6197 770 947 BellSouth Network Solutions,
7018 718 1510 AT&T WorldNet Services
2386 611 899 AT&T Data Communications Serv
9583 597 777 Sify Limited
4323 554 1161 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 497 CenturyTel Internet Holdings,
702 372 598 UUNET - Commercial IP service
1239 364 865 Sprint
19916 363 369 OLM LLC
7011 348 403 Citizens Utilities
6198 346 473 BellSouth Network Solutions,
11492 317 325 Cable One
6517 303 329 Yipes Communications, Inc.
15270 303 333 PaeTec.net -a division of Pae
701 285 998 UUNET Technologies, Inc.
18302 280 295 SK Global co., Ltd
6467 277 423 E.Spire Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 8:23 11:1 12:1573 13:1 15:9
16:2 17:3 18:3 20:22 24:1067 30:3
32:61 38:146 40:56 44:4 47:2 52:4
55:1 56:3 57:23 58:155 59:66 60:120
61:721 62:770 63:1883 64:2853 65:2067 66:2891
67:600 68:608 69:1196 70:172 71:11 72:348
80:615 81:540 82:467 83:302 84:232 85:315
86:94 87:10 128:146 129:168 130:94 131:295
132:37 133:1 134:145 135:42 136:151 137:65
138:166 139:61 140:424 141:105 142:145 143:136
144:216 145:34 146:293 147:116 148:296 149:182
150:107 151:67 152:107 153:92 154:5 155:150
156:80 157:99 158:165 159:169 160:85 161:73
162:224 163:116 164:188 165:195 166:154 167:245
168:438 169:142 170:315 171:8 190:1 192:5717
193:3282 194:2461 195:1615 196:655 198:3858 199:3283
200:4161 201:313 202:6058 203:6332 204:3779 205:2091
206:2464 207:2826 208:2038 209:3367 210:1689 211:817
212:1206 213:1356 214:291 215:36 216:3597 217:1131
218:216 219:136 220:444 221:261 222:124
End of report
