[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 Sun 15 Aug, 2004
Analysis Summary
----------------
BGP routing table entries examined: 143654
Prefixes after maximum aggregation: 85766
Unique aggregates announced to Internet: 69420
Total ASes present in the Internet Routing Table: 17764
Origin-only ASes present in the Internet Routing Table: 15402
Origin ASes announcing only one prefix: 7235
Transit ASes present in the Internet Routing Table: 2362
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.7
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: 16
Number of addresses announced to Internet: 1327109536
Equivalent to 79 /8s, 26 /16s and 21 /24s
Percentage of available address space announced: 35.8
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 65922
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27654
Total APNIC prefixes after maximum aggregation: 13968
Prefixes being announced from the APNIC address blocks: 25883
Unique aggregates announced from the APNIC address blocks: 14129
APNIC Region origin ASes present in the Internet Routing Table: 2098
APNIC Region origin ASes announcing only one prefix: 624
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 156107776
Equivalent to 9 /8s, 78 /16s and 4 /24s
Percentage of available APNIC address space announced: 71.2
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: 82016
Total ARIN prefixes after maximum aggregation: 50081
Prefixes being announced from the ARIN address blocks: 63547
Unique aggregates announced from the ARIN address blocks: 22377
ARIN Region origin ASes present in the Internet Routing Table: 9387
ARIN Region origin ASes announcing only one prefix: 3377
ARIN Region transit ASes present in the Internet Routing Table: 925
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 229424800
Equivalent to 13 /8s, 172 /16s and 190 /24s
Percentage of available ARIN address space announced: 68.4
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, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 26516
Total RIPE prefixes after maximum aggregation: 18787
Prefixes being announced from the RIPE address blocks: 23329
Unique aggregates announced from the RIPE address blocks: 15583
RIPE Region origin ASes present in the Internet Routing Table: 5726
RIPE Region origin ASes announcing only one prefix: 3099
RIPE Region transit ASes present in the Internet Routing Table: 985
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 168872768
Equivalent to 10 /8s, 16 /16s and 203 /24s
Percentage of available RIPE address space announced: 59.2
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: 6260
Total LACNIC prefixes after maximum aggregation: 2253
Prefixes being announced from the LACNIC address blocks: 6024
Unique aggregates announced from the LACNIC address blocks: 3616
LACNIC Region origin ASes present in the Internet Routing Table: 387
LACNIC Region origin ASes announcing only one prefix: 114
LACNIC Region transit ASes present in the Internet Routing Table: 77
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 15571712
Equivalent to 0 /8s, 237 /16s and 155 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1202
Total AfriNIC prefixes after maximum aggregation: 677
Prefixes being announced from the AfriNIC address blocks: 823
Unique aggregates announced from the AfriNIC address blocks: 652
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 1970944
Equivalent to 0 /8s, 30 /16s and 19 /24s
Percentage of available AfriNIC address space announced: 11.7
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 828 4161 155 Data Communications Bureau
1221 811 1184 584 Telstra Pty Ltd
4766 549 2897 264 Korea Internet Exchange for "
9583 520 40 106 Satyam Infoway Ltd.,
4755 365 133 49 Videsh Sanchar Nigam Ltd. Aut
9929 360 161 32 China Netcom Corp.
9443 354 69 80 Primus Telecommunications
2907 353 1840 327 SINET Japan
17676 342 5100 34 XTAGE CORPORATION
17557 327 23 164 Pakistan Telecom
703 317 342 244 UUNET
2764 287 275 234 connect.com.au pty ltd
7474 264 268 202 Optus Communications Pty Ltd
17633 243 56 6 ASN for Shandong Provincial N
9942 236 71 129 COMindico Australia
4802 229 25 138 Wantree Development
9800 226 370 64 CHINA UNICOM
9498 220 49 49 BHARTI BT INTERNET LTD.
10036 202 18 183 C&M Communication Co. Ltd.
4837 196 2023 106 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1384 6802 969 AT&T WorldNet Services
701 1281 8424 925 UUNET Technologies, Inc.
1239 925 2872 618 Sprint
6347 802 373 122 SAVVIS Communications Corpora
4323 777 630 214 Time Warner Telecom
6197 773 524 297 BellSouth Network Solutions,
18566 740 193 8 Covad Communications
209 612 3430 495 Qwest
721 593 20712 273 DLA Systems Automation Center
20115 569 378 294 Charter Communications
3356 566 10951 437 Level 3 Communications, LLC
852 510 1142 398 Telus Advanced Communications
7843 498 681 115 Adelphia Corp.
6198 453 429 204 BellSouth Network Solutions,
705 430 163 272 UUNET Technologies, Inc.
7132 430 8045 372 SBC Internet Services
2386 408 534 229 AT&T Data Communications Serv
22773 401 796 66 Cox Communications, Inc. Atla
4355 388 323 99 EarthLink, Inc.
5668 383 87 18 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 650 2020 541 UUNET - Commercial IP service
3320 301 2469 238 Deutsche Telekom AG
3301 282 1098 271 TeliaNet Sweden
8220 277 448 264 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
3246 216 484 213 Song Networks
13083 216 51 8 Mannesmann Datenverarbeitung
1257 215 747 184 SWIPnet Swedish IP Network
5515 199 842 145 Sonera Solution Autonomous Sy
8708 196 113 176 Romania Data Systems S.A.
3215 182 892 77 France Telecom Transpac
786 177 1794 177 The JANET IP Service
25186 165 155 113 France Telecom Transpac's Tra
5400 152 208 123 BT Ignite European Backbone
6746 152 29 129 Dynamic Network Technologies,
719 150 288 102 LANLINK autonomous system
3269 143 1195 65 TELECOM ITALIA
8866 134 15 14 Bulgarian Telecommunication C
3303 130 609 129 Swisscom Ltd
12302 127 18 33 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 358 100 54 Servicios Alestra S.A de C.V
6140 335 137 64 ImpSat
8151 285 391 131 UniNet S.A. de C.V.
16814 207 13 7 NSS, S.A.
6147 188 86 20 Telefonica Del Peru
6505 151 91 100 Global One Communicaoes Ltda
11664 143 11 22 Keytech SA
6503 125 202 85 AVANTEL, S.A.
7303 121 55 19 Telecom Argentina Stet-France
11992 91 9 29 Integrated Systems
14420 82 6 32 ANDINATEL S.A.
6535 81 5 16 Chilesat Servicios Empresari
11556 81 41 3 Cable-Wireless Panama
11311 79 7 19 Sinectis S.A.
15311 76 21 36 Telefonica Empresas
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 253 632 220 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 92 276 81 The Internetworking Company o
20928 44 16 1 Noor Advanced Technologies AS
11845 40 9 11 Data Pro Business Online
9129 32 3 4 UUNET Kenya
8524 26 2 4 AUCEGYPT Autonomous System
5713 25 125 23 Telkom SA Ltd
6713 25 38 8 Itissalat Al-MAGHRIB
14988 25 16 1 Botswana Telecommunications C
16637 24 9 19 Johnnic e-Ventures
12455 23 4 2 Jambonet Autonomous system
10798 18 1 12 Standard Bank of South Africa
8346 15 7 14 SONATEL-AS Autonomous System
12258 15 3 10 Vodacom Internet Company
15706 15 4 2 Sudatel Internet Exchange Aut
24835 15 18 5 RAYA Telecom - Egypt
21491 14 1 3 UTL On-line is RF broadband I
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 740 732 Covad Communications
6347 802 680 SAVVIS Communications Corpora
4134 828 673 Data Communications Bureau
4323 777 563 Time Warner Telecom
6197 773 476 BellSouth Network Solutions,
9583 520 414 Satyam Infoway Ltd.,
7843 498 383 Adelphia Corp.
5668 383 365 Century Telephone
701 1281 356 UUNET Technologies, Inc.
22773 401 335 Cox Communications, Inc. Atla
27364 350 331 Armstrong Cable Services
22909 360 330 Comcast Cable Corporation
9929 360 328 China Netcom Corp.
6467 355 323 E.Spire Communications, Inc.
721 593 320 DLA Systems Automation Center
4755 365 316 Videsh Sanchar Nigam Ltd. Aut
17676 342 308 XTAGE CORPORATION
1239 925 307 Sprint
11172 358 304 Servicios Alestra S.A de C.V
4355 388 289 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
32890 UNALLOCATED 63.78.63.0/24 701 UUNET Technologies,
64606 PRIVATE 80.255.192.0/21 2529 Demon Internet
64606 PRIVATE 80.255.200.0/21 2529 Demon Internet
65217 PRIVATE 128.101.58.0/28 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
32890 UNALLOCATED 205.163.0.0/19 701 UUNET Technologies,
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
158.0.0.0/13 721 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 WorldNet Services
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 /8:19 /9:3 /10:6 /11:14 /12:62
/13:129 /14:302 /15:540 /16:7964 /17:2154 /18:3751
/19:9692 /20:10143 /21:7510 /22:10416 /23:12047 /24:78216
/25:224 /26:188 /27:101 /28:43 /29:18 /30:76
/31:0 /32:36
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 723 740 Covad Communications
6347 603 802 SAVVIS Communications Corpora
6197 591 773 BellSouth Network Solutions,
7018 526 1384 AT&T WorldNet Services
702 406 650 UUNET - Commercial IP service
9583 365 520 Satyam Infoway Ltd.,
701 364 1281 UUNET Technologies, Inc.
1239 361 925 Sprint
4766 357 549 Korea Internet Exchange for "
27364 336 350 Armstrong Cable Services
5668 335 383 Century Telephone
6198 332 453 BellSouth Network Solutions,
20115 301 569 Charter Communications
9929 288 360 China Netcom Corp.
6467 260 355 E.Spire Communications, Inc.
6517 259 286 Yipes Communications, Inc.
13609 258 301 Choice One Communications Inc
3320 248 301 Deutsche Telekom AG
25844 245 245 Skadden, Arps, Slate, Meagher
690 241 277 Merit Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:2 12:840 13:1 15:5 16:2
17:3 20:9 24:717 32:66 33:2 38:79
40:54 44:4 55:1 56:3 57:16 60:6
61:455 62:503 63:1852 64:2264 65:2037 66:2423
67:353 68:543 69:690 70:64 80:533 81:360
82:191 83:122 84:17 128:90 129:169 130:81
131:179 132:23 134:186 135:17 136:176 137:50
138:169 139:35 140:162 141:106 142:119 143:58
144:99 145:42 146:286 147:95 148:420 149:109
150:84 151:70 152:163 153:67 154:2 155:129
156:57 157:69 158:139 159:148 160:54 161:75
162:390 163:78 164:179 165:161 166:113 167:220
168:262 169:110 170:274 171:8 192:5559 193:2856
194:2079 195:1451 196:583 198:3653 199:3231 200:3687
201:11 202:4784 203:5661 204:3123 205:2079 206:2272
207:2483 208:2146 209:3038 210:1437 211:576 212:989
213:1184 214:85 215:29 216:3769 217:989 218:182
219:127 220:244 221:28 222:137
End of report
