[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 13 Jul, 2004
Analysis Summary
----------------
BGP routing table entries examined: 142613
Prefixes after maximum aggregation: 85540
Unique aggregates announced to Internet: 68464
Total ASes present in the Internet Routing Table: 17586
Origin-only ASes present in the Internet Routing Table: 15243
Origin ASes announcing only one prefix: 7153
Transit ASes present in the Internet Routing Table: 2343
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 26
Prefixes from unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1301025640
Equivalent to 77 /8s, 140 /16s and 19 /24s
Percentage of available address space announced: 35.1
Percentage of allocated address space announced: 57.6
Percentage of available address space allocated: 60.9
Total number of prefixes smaller than registry allocations: 65554
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27276
Total APNIC prefixes after maximum aggregation: 14005
Prefixes being announced from the APNIC address blocks: 25512
Unique aggregates announced from the APNIC address blocks: 13953
APNIC Region origin ASes present in the Internet Routing Table: 2066
APNIC Region origin ASes announcing only one prefix: 622
APNIC Region transit ASes present in the Internet Routing Table: 335
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 151899968
Equivalent to 9 /8s, 13 /16s and 207 /24s
Percentage of available APNIC address space announced: 69.3
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 81765
Total ARIN prefixes after maximum aggregation: 50015
Prefixes being announced from the ARIN address blocks: 63525
Unique aggregates announced from the ARIN address blocks: 21944
ARIN Region origin ASes present in the Internet Routing Table: 9313
ARIN Region origin ASes announcing only one prefix: 3338
ARIN Region transit ASes present in the Internet Routing Table: 909
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 227359008
Equivalent to 13 /8s, 141 /16s and 57 /24s
Percentage of available ARIN address space announced: 75.3
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
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, 29695 - 30719
31744 - 33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 26225
Total RIPE prefixes after maximum aggregation: 18552
Prefixes being announced from the RIPE address blocks: 22958
Unique aggregates announced from the RIPE address blocks: 15278
RIPE Region origin ASes present in the Internet Routing Table: 5657
RIPE Region origin ASes announcing only one prefix: 3059
RIPE Region transit ASes present in the Internet Routing Table: 979
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 165955136
Equivalent to 9 /8s, 228 /16s and 70 /24s
Percentage of available RIPE address space announced: 58.2
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
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 - 34815
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: 6214
Total LACNIC prefixes after maximum aggregation: 2256
Prefixes being announced from the LACNIC address blocks: 5876
Unique aggregates announced from the LACNIC address blocks: 3610
LACNIC Region origin ASes present in the Internet Routing Table: 381
LACNIC Region origin ASes announcing only one prefix: 111
LACNIC Region transit ASes present in the Internet Routing Table: 75
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 15279104
Equivalent to 0 /8s, 233 /16s and 36 /24s
Percentage of available LACNIC address space announced: 45.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1130
Total AfriNIC prefixes after maximum aggregation: 712
Prefixes being announced from the AfriNIC address blocks: 806
Unique aggregates announced from the AfriNIC address blocks: 636
AfriNIC Region origin ASes present in the Internet Routing Table: 92
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1892608
Equivalent to 0 /8s, 28 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 11.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 822 1057 592 Telstra Pty Ltd
4134 809 3792 148 Data Communications Bureau
4766 497 2895 264 Korea Internet Exchange for "
9583 488 39 105 Satyam Infoway Ltd.,
4755 401 133 61 Videsh Sanchar Nigam Ltd. Aut
9443 353 69 78 Primus Telecommunications
2907 352 1840 326 SINET Japan
17676 341 5084 33 XTAGE CORPORATION
9929 327 157 32 China Netcom Corp.
17557 321 22 164 Pakistan Telecom
703 319 342 248 UUNET
2764 286 258 236 connect.com.au pty ltd
7474 266 269 206 Optus Communications Pty Ltd
9942 230 71 128 COMindico Australia
4802 225 25 141 Wantree Development
9800 224 369 62 CHINA UNICOM
9498 218 48 49 BHARTI BT INTERNET LTD.
10036 198 18 179 C&M Communication Co. Ltd.
4837 189 2019 105 chinanet IDC center beijing n
17974 183 51 99 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1436 6878 988 AT&T
701 1304 8440 935 UUNET Technologies, Inc.
6347 959 396 102 SAVVIS Communications Corpora
1239 935 2888 627 Sprint
3356 892 10932 674 Level 3 Communications, LLC
4323 740 569 206 Time Warner Communications, I
18566 726 192 8 Covad Communications
6197 709 526 278 BellSouth Network Solutions,
209 615 3454 506 Qwest
20115 565 375 290 Charter Communications
2548 550 899 131 Business Internet, Inc.
7843 514 669 129 Adelphia Corp.
6198 513 396 214 BellSouth Network Solutions,
852 510 1142 398 Telus Advanced Communications
7132 470 7879 354 Southwestern Bell Internet Se
721 464 15309 334 DLA Systems Automation Center
2386 408 549 227 AT&T Data Communications Serv
22909 398 826 22 Comcast Cable Corporation
4355 391 323 101 EarthLink, Inc.
705 389 128 265 UUNET Technologies, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 652 2040 544 UUNET - Commercial IP service
3320 297 2463 237 Deutsche Telekom AG
3301 282 1098 271 TeliaNet Sweden
8220 274 429 262 COLT Internet - International
1257 248 498 196 SWIPnet Swedish IP Network
680 244 2025 239 DFN-IP service G-WiN
13083 216 51 8 Mannesmann Datenverarbeitung
3246 213 479 210 Song Networks
5515 200 842 146 Sonera Solution Autonomous Sy
8708 189 112 177 Romania Data Systems S.A.
719 181 288 103 LANLINK autonomous system
3215 179 895 70 France Telecom Transpac
786 174 1794 174 The JANET IP Service
25186 172 156 114 France Telecom Transpac's Tra
6746 158 29 128 Dynamic Network Technologies,
5400 145 205 120 BT Ignite European Backbone
3269 135 1099 64 TELECOM ITALIA
3303 130 609 129 Swisscom Ltd
8866 130 14 11 Bulgarian Telecommunication C
12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 356 96 58 Servicios Alestra S.A de C.V
6140 333 140 65 ImpSat
8151 276 389 128 UniNet S.A. de C.V.
16814 219 14 8 NSS, S.A.
6147 186 86 20 Telefonica Del Peru
7303 148 54 27 Telecom Argentina Stet-France
6505 134 90 92 Global One Communicaoes Ltda
6503 129 202 87 AVANTEL, S.A.
11992 91 9 29 Integrated Systems
11556 87 57 24 Cable-Wireless Panama
6535 81 5 16 Chilesat Servicios Empresari
14420 79 5 29 ANDINATEL S.A.
15311 75 19 37 Telefonica Empresas
11311 72 7 17 Sinectis S.A.
14535 72 6 5 Techtel S.A.
5639 71 8 8 Telecommunications Services o
4270 70 18 9 Red de Interconexion Universi
14117 69 5 4 Telefonica del Sur S.A.
10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA
11340 67 5 36 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 252 632 219 The Internet Solution
2018 94 297 92 Tertiary Education Network
2905 90 276 80 The Internetworking Company o
5536 87 5 33 Internet Egypt Network
11845 38 9 11 Data Pro Business Online
24835 31 18 6 RAYA Telecom - Egypt
16637 30 9 23 Johnnic e-Ventures
6713 26 38 9 Itissalat Al-MAGHRIB
9129 26 3 4 UUNET Kenya
5713 25 125 23 Telkom SA Ltd
14988 25 16 1 Botswana Telecommunications C
8524 24 2 7 AUCEGYPT Autonomous System
12455 23 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
15706 16 2 3 Sudatel Internet Exchange Aut
12258 15 3 10 Vodacom Internet Company
8346 13 6 12 SONATEL-AS Autonomous System
17148 13 1 7 First National Bank
2609 12 26 4 Tunisia BackBone AS
15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6347 959 857 SAVVIS Communications Corpora
18566 726 718 Covad Communications
4134 809 661 Data Communications Bureau
4323 740 534 Time Warner Communications, I
6197 709 431 BellSouth Network Solutions,
2548 550 419 Business Internet, Inc.
7843 514 385 Adelphia Corp.
9583 488 383 Satyam Infoway Ltd.,
22909 398 376 Comcast Cable Corporation
701 1304 369 UUNET Technologies, Inc.
5668 380 362 Century Telephone
27364 377 358 Armstrong Cable Services
4755 401 340 Videsh Sanchar Nigam Ltd. Aut
22773 384 327 Cox Communications, Inc. Atla
6467 342 310 E.Spire Communications, Inc.
1239 935 308 Sprint
17676 341 308 XTAGE CORPORATION
6198 513 299 BellSouth Network Solutions,
11172 356 298 Servicios Alestra S.A de C.V
9929 327 295 China Netcom Corp.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm
18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm
18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm
63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm
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
156.154.16.0/22 7786 Lockheed Martin IMS
158.0.0.0/13 721 DLA Systems Automation Center
164.234.0.0/18 721 DLA Systems Automation Center
164.234.0.0/16 721 DLA Systems Automation Center
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 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 /9:3 /10:6 /11:15 /12:59
/13:127 /14:302 /15:523 /16:7896 /17:2104 /18:3689
/19:9536 /20:10009 /21:7529 /22:10401 /23:11951 /24:77748
/25:215 /26:213 /27:153 /28:25 /29:15 /30:66
/31:0 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6347 738 959 SAVVIS Communications Corpora
18566 709 726 Covad Communications
7018 557 1436 AT&T
6197 538 709 BellSouth Network Solutions,
3356 501 892 Level 3 Communications, LLC
702 400 652 UUNET - Commercial IP service
6198 382 513 BellSouth Network Solutions,
1239 373 935 Sprint
701 369 1304 UUNET Technologies, Inc.
27364 364 377 Armstrong Cable Services
9583 334 488 Satyam Infoway Ltd.,
5668 333 380 Century Telephone
2548 331 550 Business Internet, Inc.
4766 316 497 Korea Internet Exchange for "
20115 299 565 Charter Communications
9929 259 327 China Netcom Corp.
14824 254 278 NewSouth Communications Corp.
3320 246 297 Deutsche Telekom AG
6467 246 342 E.Spire Communications, Inc.
13609 245 288 Choice One Communications Inc
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:830 13:1 15:5 16:2 17:3
20:8 24:763 32:65 33:2 38:74 40:54
44:4 55:1 56:3 57:16 60:3 61:456
62:498 63:1877 64:2048 65:2042 66:2701 67:339
68:503 69:637 70:64 80:564 81:337 82:184
83:101 84:5 128:149 129:173 130:80 131:186
132:23 134:177 135:17 136:178 137:54 138:169
139:35 140:166 141:122 142:118 143:59 144:102
145:42 146:288 147:77 148:417 149:109 150:94
151:71 152:162 153:64 154:2 155:145 156:60
157:63 158:139 159:148 160:52 161:66 162:382
163:77 164:186 165:164 166:105 167:219 168:232
169:111 170:286 171:8 192:5554 193:2809 194:2055
195:1385 196:571 198:3665 199:3113 200:3613 201:8
202:4728 203:5640 204:3130 205:2104 206:2273 207:2507
208:2194 209:3053 210:1451 211:570 212:971 213:1173
214:70 215:30 216:3750 217:944 218:171 219:119
220:228 221:31 222:68
End of report
