[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 12 Nov, 2003
Analysis Summary
----------------
BGP routing table entries examined: 130378
Prefixes after maximum aggregation: 80794
Unique aggregates announced to Internet: 62384
Total ASes present in the Internet Routing Table: 16173
Origin-only ASes present in the Internet Routing Table: 14038
Origin ASes announcing only one prefix: 6415
Transit ASes present in the Internet Routing Table: 2135
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 21
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1257177956
Equivalent to 74 /8s, 239 /16s and 3 /24s
Percentage of available address space announced: 33.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 57657
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 23661
Total APNIC prefixes after maximum aggregation: 12949
Prefixes being announced from the APNIC address blocks: 22034
Unique aggregates announced from the APNIC address blocks: 12607
APNIC Region origin ASes present in the Internet Routing Table: 1944
APNIC Region origin ASes announcing only one prefix: 578
APNIC Region transit ASes present in the Internet Routing Table: 317
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 127162880
Equivalent to 7 /8s, 148 /16s and 90 /24s
Percentage of available APNIC address space announced: 68.5
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: 76879
Total ARIN prefixes after maximum aggregation: 47996
Prefixes being announced from the ARIN address blocks: 59641
Unique aggregates announced from the ARIN address blocks: 20558
ARIN Region origin ASes present in the Internet Routing Table: 8745
ARIN Region origin ASes announcing only one prefix: 3041
ARIN Region transit ASes present in the Internet Routing Table: 827
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208692896
Equivalent to 12 /8s, 112 /16s and 102 /24s
Percentage of available ARIN address space announced: 73.2
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 23080
Total RIPE prefixes after maximum aggregation: 16869
Prefixes being announced from the RIPE address blocks: 19920
Unique aggregates announced from the RIPE address blocks: 13149
RIPE Region origin ASes present in the Internet Routing Table: 4955
RIPE Region origin ASes announcing only one prefix: 2662
RIPE Region transit ASes present in the Internet Routing Table: 877
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 140971776
Equivalent to 8 /8s, 103 /16s and 15 /24s
Percentage of available RIPE address space announced: 76.4
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, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5648
Total LACNIC prefixes after maximum aggregation: 2271
Prefixes being announced from the LACNIC address blocks: 5146
Unique aggregates announced from the LACNIC address blocks: 3102
LACNIC Region origin ASes present in the Internet Routing Table: 359
LACNIC Region origin ASes announcing only one prefix: 103
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 13472256
Equivalent to 0 /8s, 205 /16s and 146 /24s
Percentage of available LACNIC address space announced: 40.2
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1109
Total AfriNIC prefixes after maximum aggregation: 709
Prefixes being announced from the AfriNIC address blocks: 723
Unique aggregates announced from the AfriNIC address blocks: 557
AfriNIC Region origin ASes present in the Internet Routing Table: 97
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 1753600
Equivalent to 0 /8s, 26 /16s and 194 /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 958 1108 678 Telstra Pty Ltd
4134 370 2387 110 Data Communications Bureau
2907 369 1880 346 SINET Japan
4755 366 131 57 Videsh Sanchar Nigam Ltd. Aut
703 328 355 261 UUNET
17557 305 21 148 Pakistan Telecom
9443 300 72 83 Primus Telecommunications
2764 290 288 249 connect.com.au pty ltd
17676 280 4140 31 XTAGE CORPORATION
9583 272 44 11 Satyam Infoway Ltd.,
7474 268 306 213 Optus Communications Pty Ltd
4766 264 2896 191 Korea Internet Exchange for "
4538 247 1714 21 China Education and Research
3786 233 773 203 DACOM Corporation
9929 211 163 36 China Netcom Corp.
9498 208 22 29 BHARTI BT INTERNET LTD.
9800 207 343 57 CHINA UNICOM
9942 203 70 116 COMindico Australia
17642 155 40 114 RequestDSL BGP AS# for Sydney
4739 145 60 134 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1431 8649 990 UUNET Technologies, Inc.
7018 1368 7034 947 AT&T
1239 920 3068 662 Sprint
209 869 3473 532 Qwest
18566 721 176 8 Covad Communications
4323 686 592 200 Time Warner Communications, I
6197 680 403 270 BellSouth Network Solutions,
3356 625 10803 512 Level 3 Communications, LLC
6198 576 332 196 BellSouth Network Solutions,
20115 542 281 308 Charter Communications
7843 526 496 125 Adelphia Corp.
852 514 1107 409 Telus Advanced Communications
7066 510 207 271 Virginia Polytechnic Institut
7132 509 7192 303 Southwestern Bell Internet Se
19029 410 174 275 New Edge Networks
690 400 58 270 Merit Network
2386 396 543 206 AT&T Data Communications Serv
4355 395 329 102 EarthLink, Inc.
705 390 182 240 UUNET Technologies, Inc.
376 359 359 114 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 697 2094 578 UUNET - Commercial IP service
3301 312 1170 290 TeliaNet Sweden
3320 276 2004 233 Deutsche Telekom AG
8220 259 421 248 COLT Internet - International
1257 239 455 190 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
13083 215 51 8 Mannesmann Datenverarbeitung
5400 185 174 135 BT Ignite European Backbone
5515 176 778 138 Sonera Solution Autonomous Sy
786 175 1826 175 The JANET IP Service
3215 164 703 83 France Telecom Transpac
8708 161 111 155 Romania Data Systems S.A.
25186 150 166 107 France Telecom Transpac's Tra
3303 144 557 139 Swisscom Ltd
719 134 288 104 LANLINK autonomous system
6664 134 11 99 TELECOM ITALIA
3246 126 378 124 Song Networks
12302 126 18 33 MobiFon S.A.
3269 118 911 65 TELECOM ITALIA
2856 117 1294 108 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 340 105 101 ImpSat
8151 235 351 125 UniNet S.A. de C.V.
11172 192 77 42 Servicios Alestra S.A de C.V
7303 189 43 43 Telecom Argentina Stet-France
16814 156 10 5 NSS, S.A.
6505 134 91 94 Global One Communicaoes Ltda
6503 128 205 92 AVANTEL, S.A.
6147 123 70 19 Telefonica Del Peru
10620 122 8 26 TVCABLE BOGOTA
11340 106 3 29 Red Universitaria Nacional
11992 88 25 31 Integrated Systems
8065 79 10 17 Empresas Publicas de Medellin
15311 76 16 39 Telefonica Empresas
6535 75 5 18 Chilesat Servicios Empresari
11830 74 22 29 Instituto Costarricense de El
4270 68 18 9 Red de Interconexion Universi
11311 66 7 22 Sinectis S.A.
7080 64 4 1 Electronica y Comunicaciones
14535 61 6 6 Techtel S.A.
14420 60 4 22 ANDINATEL S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 251 633 220 The Internet Solution
2018 94 297 92 Tertiary Education Network
5536 88 7 23 Internet Egypt Network
2905 59 245 52 The Internetworking Company o
2561 53 6 3 Egyptian Universities Network
11845 35 9 10 Data Pro Business Online
11569 31 29 28 satellite data networks
16284 30 3 5 GST-N Autonomous System
9129 25 3 4 UUNET Kenya
5713 24 93 22 Telkom SA Ltd
12455 24 4 2 Jambonet Autonomous system
16637 24 9 17 Johnnic e-Ventures
6713 22 38 9 Itissalat Al-MAGHRIB
10798 18 1 12 Standard Bank of South Africa
8524 17 1 3 AUCEGYPT Autonomous System
3208 15 2 1 ARN Network
15706 15 2 5 Sudatel Internet Exchange Aut
12258 14 3 9 Vodacom Internet Company
17148 14 1 8 First National Bank
8346 12 6 12 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 721 713 Covad Communications
4323 686 486 Time Warner Communications, I
7018 1368 421 AT&T
6197 680 410 BellSouth Network Solutions,
7843 526 401 Adelphia Corp.
6198 576 380 BellSouth Network Solutions,
209 869 337 Qwest
27364 338 315 Armstrong Cable Services
4755 366 309 Videsh Sanchar Nigam Ltd. Aut
4355 395 293 EarthLink, Inc.
22909 312 293 Comcast Cable Corporation
5668 311 293 Century Telephone
22773 304 281 Cox Communications, Inc. Atla
1221 958 280 Telstra Pty Ltd
6347 350 271 SAVVIS Communications Corpora
9583 272 261 Satyam Infoway Ltd.,
4134 370 260 Data Communications Bureau
1239 920 258 Sprint
17676 280 249 XTAGE CORPORATION
376 359 245 Reseau Interordinateurs Scien
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
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
192.119.135.0/24 270 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 /11:13 /12:56
/13:97 /14:272 /15:474 /16:7459 /17:1816 /18:3245
/19:8627 /20:9196 /21:6654 /22:9490 /23:10904 /24:71277
/25:180 /26:245 /27:163 /28:69 /29:23 /30:49
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 715 721 Covad Communications
6197 541 680 BellSouth Network Solutions,
7018 494 1368 AT&T
701 442 1431 UUNET Technologies, Inc.
6198 441 576 BellSouth Network Solutions,
702 417 697 UUNET - Commercial IP service
7066 402 510 Virginia Polytechnic Institut
690 361 400 Merit Network
20115 347 542 Charter Communications
27364 332 338 Armstrong Cable Services
1239 330 920 Sprint
3356 312 625 Level 3 Communications, LLC
209 309 869 Qwest
5668 277 311 Century Telephone
19029 261 410 New Edge Networks
25844 244 244 Skadden, Arps, Slate, Meagher
4355 220 395 EarthLink, Inc.
3320 218 276 Deutsche Telekom AG
6517 207 232 Yipes Communications, Inc.
14824 201 226 NewSouth Communications Corp.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:755 13:1 15:6 16:1 17:2
20:7 24:852 25:1 32:82 38:42 40:23
43:1 44:2 55:1 57:14 61:348 62:465
63:1837 64:1783 65:1799 66:2189 67:277 68:444
69:319 80:439 81:160 82:70 128:154 129:161
130:66 131:83 132:17 134:173 135:10 136:183
137:121 138:131 139:48 140:194 141:138 142:100
143:48 144:59 145:36 146:284 147:67 148:309
149:83 150:120 151:78 152:209 153:59 154:1
155:129 156:65 157:60 158:141 159:139 160:46
161:68 162:364 163:68 164:327 165:168 166:108
167:210 168:179 169:96 170:320 171:9 192:5479
193:2422 194:2040 195:1337 196:515 198:3622 199:2846
200:3091 201:3 202:4221 203:5369 204:2942 205:2000
206:2289 207:2616 208:2530 209:2810 210:971 211:401
212:910 213:979 214:17 215:25 216:3370 217:788
218:116 219:84 220:115 221:17 222:1
End of report
