[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 Wed 21 Jan, 2004
Analysis Summary
----------------
BGP routing table entries examined: 131760
Prefixes after maximum aggregation: 81019
Unique aggregates announced to Internet: 63475
Total ASes present in the Internet Routing Table: 16492
Origin-only ASes present in the Internet Routing Table: 14305
Origin ASes announcing only one prefix: 6594
Transit ASes present in the Internet Routing Table: 2187
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 30
Illegal AS announcements present in the Routing Table: 7
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1279928164
Equivalent to 76 /8s, 74 /16s and 39 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 59.3
Percentage of available address space allocated: 58.2
Total number of prefixes smaller than registry allocations: 58175
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 24373
Total APNIC prefixes after maximum aggregation: 13038
Prefixes being announced from the APNIC address blocks: 22846
Unique aggregates announced from the APNIC address blocks: 12856
APNIC Region origin ASes present in the Internet Routing Table: 1972
APNIC Region origin ASes announcing only one prefix: 585
APNIC Region transit ASes present in the Internet Routing Table: 314
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 134462592
Equivalent to 8 /8s, 3 /16s and 188 /24s
Percentage of available APNIC address space announced: 72.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 77208
Total ARIN prefixes after maximum aggregation: 47904
Prefixes being announced from the ARIN address blocks: 59766
Unique aggregates announced from the ARIN address blocks: 20829
ARIN Region origin ASes present in the Internet Routing Table: 8868
ARIN Region origin ASes announcing only one prefix: 3122
ARIN Region transit ASes present in the Internet Routing Table: 850
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 214970528
Equivalent to 12 /8s, 208 /16s and 48 /24s
Percentage of available ARIN address space announced: 71.2
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 - 32767
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: 23588
Total RIPE prefixes after maximum aggregation: 17185
Prefixes being announced from the RIPE address blocks: 20434
Unique aggregates announced from the RIPE address blocks: 13575
RIPE Region origin ASes present in the Internet Routing Table: 5121
RIPE Region origin ASes announcing only one prefix: 2754
RIPE Region transit ASes present in the Internet Routing Table: 900
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 149306752
Equivalent to 8 /8s, 230 /16s and 61 /24s
Percentage of available RIPE address space announced: 68.5
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
RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5439
Total LACNIC prefixes after maximum aggregation: 2217
Prefixes being announced from the LACNIC address blocks: 5024
Unique aggregates announced from the LACNIC address blocks: 3142
LACNIC Region origin ASes present in the Internet Routing Table: 367
LACNIC Region origin ASes announcing only one prefix: 106
LACNIC Region transit ASes present in the Internet Routing Table: 72
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 14023168
Equivalent to 0 /8s, 213 /16s and 250 /24s
Percentage of available LACNIC address space announced: 41.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1147
Total AfriNIC prefixes after maximum aggregation: 675
Prefixes being announced from the AfriNIC address blocks: 736
Unique aggregates announced from the AfriNIC address blocks: 568
AfriNIC Region origin ASes present in the Internet Routing Table: 92
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1758464
Equivalent to 0 /8s, 26 /16s and 213 /24s
Percentage of available AfriNIC address space announced: 10.5
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 896 1100 638 Telstra Pty Ltd
4134 711 2457 116 Data Communications Bureau
4766 408 2904 241 Korea Internet Exchange for "
2907 361 1847 338 SINET Japan
9443 344 69 79 Primus Telecommunications
703 337 372 261 UUNET
17557 319 23 154 Pakistan Telecom
9583 295 44 11 Satyam Infoway Ltd.,
17676 295 4348 38 XTAGE CORPORATION
2764 287 289 236 connect.com.au pty ltd
7474 271 305 213 Optus Communications Pty Ltd
4538 249 1811 21 China Education and Research
4755 226 130 58 Videsh Sanchar Nigam Ltd. Aut
9929 218 154 30 China Netcom Corp.
9942 215 69 128 COMindico Australia
9800 214 347 55 CHINA UNICOM
9498 183 30 34 BHARTI BT INTERNET LTD.
17642 153 40 112 RequestDSL BGP AS# for Sydney
17964 151 117 58 Beijing Dian-Xin-Tong Network
7633 148 23 40 Software Technology Parks of
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1397 8678 967 UUNET Technologies, Inc.
7018 1385 7030 963 AT&T
1239 944 3089 660 Sprint
6197 774 484 252 BellSouth Network Solutions,
3356 763 10925 609 Level 3 Communications, LLC
209 725 3533 506 Qwest
18566 681 176 8 Covad Communications
4323 675 591 203 Time Warner Communications, I
20115 600 330 336 Charter Communications
6198 546 346 197 BellSouth Network Solutions,
7843 509 551 122 Adelphia Corp.
852 505 1124 401 Telus Advanced Communications
7066 503 207 271 Virginia Polytechnic Institut
7132 454 7418 312 Southwestern Bell Internet Se
2386 420 544 221 AT&T Data Communications Serv
19029 402 171 258 New Edge Networks
690 398 58 268 Merit Network
4355 392 323 101 EarthLink, Inc.
376 383 359 114 Reseau Interordinateurs Scien
27364 378 28 23 Armstrong Cable Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 688 2074 571 UUNET - Commercial IP service
3301 334 1175 315 TeliaNet Sweden
3320 279 1972 230 Deutsche Telekom AG
8220 271 411 256 COLT Internet - International
680 241 2027 237 DFN-IP service G-WiN
719 234 288 104 LANLINK autonomous system
1257 224 504 190 SWIPnet Swedish IP Network
13083 215 51 8 Mannesmann Datenverarbeitung
3246 189 425 187 Song Networks
786 175 1826 175 The JANET IP Service
5515 172 762 134 Sonera Solution Autonomous Sy
25186 168 201 109 France Telecom Transpac's Tra
8708 165 111 157 Romania Data Systems S.A.
3215 152 790 69 France Telecom Transpac
3303 138 557 138 Swisscom Ltd
5400 136 223 126 BT Ignite European Backbone
12302 131 18 35 MobiFon S.A.
3269 120 972 64 TELECOM ITALIA
2856 119 1294 109 BTnet UK Regional network
6746 105 17 94 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 354 121 66 ImpSat
8151 244 350 126 UniNet S.A. de C.V.
11172 198 77 44 Servicios Alestra S.A de C.V
16814 155 10 5 NSS, S.A.
7303 141 52 26 Telecom Argentina Stet-France
6505 133 90 93 Global One Communicaoes Ltda
6503 128 220 93 AVANTEL, S.A.
6147 124 78 20 Telefonica Del Peru
11340 112 3 33 Red Universitaria Nacional
15311 78 18 38 Telefonica Empresas
6535 77 5 19 Chilesat Servicios Empresari
4270 71 18 9 Red de Interconexion Universi
11992 70 25 29 Integrated Systems
11311 68 7 22 Sinectis S.A.
7080 66 4 2 Electronica y Comunicaciones
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
14420 61 4 23 ANDINATEL S.A.
10292 60 5 27 TELECOMMUNICATIONS OF JAMAICA
1916 59 247 39 Fundacao de Amparo a Pesquisa
7738 59 218 13 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 249 632 218 The Internet Solution
5536 103 8 3 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 272 80 The Internetworking Company o
2561 58 6 3 Egyptian Universities Network
11845 36 9 11 Data Pro Business Online
3208 33 2 1 ARN Network
16637 26 9 19 Johnnic e-Ventures
9129 25 3 4 UUNET Kenya
5713 24 93 22 Telkom SA Ltd
24835 23 18 6 RAYA Telecom - Egypt
12455 22 4 2 Jambonet Autonomous system
6713 21 38 8 Itissalat Al-MAGHRIB
8524 18 2 4 AUCEGYPT Autonomous System
10798 18 1 12 Standard Bank of South Africa
12258 15 3 10 Vodacom Internet Company
15706 15 2 5 Sudatel Internet Exchange Aut
17148 14 1 8 First National Bank
2609 12 10 3 Tunisia BackBone AS
8346 12 6 12 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 681 673 Covad Communications
4134 711 595 Data Communications Bureau
6197 774 522 BellSouth Network Solutions,
4323 675 472 Time Warner Communications, I
7018 1385 422 AT&T
7843 509 387 Adelphia Corp.
27364 378 355 Armstrong Cable Services
6198 546 349 BellSouth Network Solutions,
22909 328 311 Comcast Cable Corporation
5668 321 305 Century Telephone
22773 331 301 Cox Communications, Inc. Atla
4355 392 291 EarthLink, Inc.
6140 354 288 ImpSat
1239 944 284 Sprint
9583 295 284 Satyam Infoway Ltd.,
376 383 269 Reseau Interordinateurs Scien
9443 344 265 Primus Telecommunications
20115 600 264 Charter Communications
1221 896 258 Telstra Pty Ltd
17676 295 257 XTAGE CORPORATION
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 131.95.1.240/28 16430 University of Southe
64198 RESERVED 192.107.195.0/24 22767 NASA Earth Science D
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64198 RESERVED 198.10.49.0/24 22767 NASA Earth Science D
64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA
23861 UNALLOCATED 210.93.46.0/24 3786 DACOM Corporation
23861 UNALLOCATED 210.93.47.0/24 3786 DACOM Corporation
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
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
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:4 /10:6 /11:15 /12:57
/13:105 /14:281 /15:498 /16:7546 /17:1852 /18:3441
/19:8908 /20:9355 /21:6710 /22:9424 /23:11009 /24:71778
/25:196 /26:298 /27:169 /28:28 /29:7 /30:43
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 665 681 Covad Communications
6197 619 774 BellSouth Network Solutions,
7018 505 1385 AT&T
701 420 1397 UUNET Technologies, Inc.
702 420 688 UUNET - Commercial IP service
6198 399 546 BellSouth Network Solutions,
7066 397 503 Virginia Polytechnic Institut
3356 395 763 Level 3 Communications, LLC
20115 380 600 Charter Communications
27364 372 378 Armstrong Cable Services
690 361 398 Merit Network
1239 330 944 Sprint
5668 284 321 Century Telephone
19029 262 402 New Edge Networks
25844 244 244 Skadden, Arps, Slate, Meagher
4766 235 408 Korea Internet Exchange for "
3320 227 279 Deutsche Telekom AG
6386 221 247 bellsouth.net, inc.
6517 217 241 Yipes Communications, Inc.
4355 215 392 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 12:757 13:1 15:6 16:1 17:3
20:7 24:874 32:83 38:44 40:26 44:2
55:1 56:1 57:13 61:351 62:453 63:1816
64:1840 65:1820 66:2208 67:257 68:636 69:368
80:456 81:185 82:62 128:143 129:261 130:69
131:79 132:17 134:177 135:16 136:128 137:115
138:126 139:39 140:158 141:132 142:102 143:46
144:87 145:39 146:291 147:74 148:290 149:85
150:120 151:61 152:212 153:61 154:1 155:131
156:67 157:56 158:138 159:143 160:46 161:51
162:369 163:69 164:333 165:164 166:104 167:218
168:177 169:96 170:306 171:8 192:5514 193:2533
194:2002 195:1297 196:517 198:3626 199:2832 200:2974
201:7 202:4292 203:5370 204:3026 205:2022 206:2271
207:2586 208:2433 209:2868 210:1024 211:418 212:908
213:1002 214:23 215:25 216:3355 217:797 218:118
219:83 220:157 221:18 222:1
End of report
