[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 Thu 01 Jan, 2004
Analysis Summary
----------------
BGP routing table entries examined: 131469
Prefixes after maximum aggregation: 80754
Unique aggregates announced to Internet: 63017
Total ASes present in the Internet Routing Table: 16393
Origin-only ASes present in the Internet Routing Table: 14241
Origin ASes announcing only one prefix: 6525
Transit ASes present in the Internet Routing Table: 2152
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 30
Illegal AS announcements present in the Routing Table: 22
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1274923108
Equivalent to 75 /8s, 253 /16s and 200 /24s
Percentage of available address space announced: 34.4
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 57.3
Total number of prefixes smaller than registry allocations: 57886
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 24349
Total APNIC prefixes after maximum aggregation: 13003
Prefixes being announced from the APNIC address blocks: 22823
Unique aggregates announced from the APNIC address blocks: 12839
APNIC Region origin ASes present in the Internet Routing Table: 1979
APNIC Region origin ASes announcing only one prefix: 584
APNIC Region transit ASes present in the Internet Routing Table: 309
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 133084800
Equivalent to 7 /8s, 238 /16s and 182 /24s
Percentage of available APNIC address space announced: 71.7
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: 77169
Total ARIN prefixes after maximum aggregation: 47805
Prefixes being announced from the ARIN address blocks: 59727
Unique aggregates announced from the ARIN address blocks: 20683
ARIN Region origin ASes present in the Internet Routing Table: 8815
ARIN Region origin ASes announcing only one prefix: 3083
ARIN Region transit ASes present in the Internet Routing Table: 842
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 213202336
Equivalent to 12 /8s, 181 /16s and 53 /24s
Percentage of available ARIN address space announced: 74.8
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: 23339
Total RIPE prefixes after maximum aggregation: 17064
Prefixes being announced from the RIPE address blocks: 20217
Unique aggregates announced from the RIPE address blocks: 13420
RIPE Region origin ASes present in the Internet Routing Table: 5080
RIPE Region origin ASes announcing only one prefix: 2725
RIPE Region transit ASes present in the Internet Routing Table: 886
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 147929216
Equivalent to 8 /8s, 209 /16s and 56 /24s
Percentage of available RIPE address space announced: 67.8
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: 5447
Total LACNIC prefixes after maximum aggregation: 2190
Prefixes being announced from the LACNIC address blocks: 5062
Unique aggregates announced from the LACNIC address blocks: 3024
LACNIC Region origin ASes present in the Internet Routing Table: 365
LACNIC Region origin ASes announcing only one prefix: 105
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 13867264
Equivalent to 0 /8s, 211 /16s and 153 /24s
Percentage of available LACNIC address space announced: 41.3
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1143
Total AfriNIC prefixes after maximum aggregation: 692
Prefixes being announced from the AfriNIC address blocks: 727
Unique aggregates announced from the AfriNIC address blocks: 559
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 28
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: 1762048
Equivalent to 0 /8s, 26 /16s and 227 /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 909 1098 654 Telstra Pty Ltd
4134 712 2413 110 Data Communications Bureau
4766 369 2903 228 Korea Internet Exchange for "
2907 363 1847 340 SINET Japan
9443 343 69 79 Primus Telecommunications
703 338 372 262 UUNET
4755 324 130 59 Videsh Sanchar Nigam Ltd. Aut
17557 311 22 150 Pakistan Telecom
17676 292 4300 38 XTAGE CORPORATION
2764 287 289 236 connect.com.au pty ltd
9583 273 44 11 Satyam Infoway Ltd.,
7474 264 305 212 Optus Communications Pty Ltd
4538 246 1811 21 China Education and Research
9929 223 154 27 China Netcom Corp.
9942 217 69 128 COMindico Australia
9800 212 346 57 CHINA UNICOM
9498 175 22 29 BHARTI BT INTERNET LTD.
3786 158 753 140 DACOM Corporation
17642 152 40 111 RequestDSL BGP AS# for Sydney
4837 149 1272 99 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1416 7059 978 AT&T
701 1390 8662 955 UUNET Technologies, Inc.
1239 947 3089 660 Sprint
6197 826 477 249 BellSouth Network Solutions,
18566 734 176 8 Covad Communications
3356 733 10926 582 Level 3 Communications, LLC
209 726 3529 510 Qwest
4323 677 589 203 Time Warner Communications, I
20115 583 321 331 Charter Communications
6198 568 338 194 BellSouth Network Solutions,
7843 508 523 117 Adelphia Corp.
852 505 1124 402 Telus Advanced Communications
7066 503 207 270 Virginia Polytechnic Institut
7132 452 7396 310 Southwestern Bell Internet Se
2386 409 532 231 AT&T Data Communications Serv
19029 406 172 262 New Edge Networks
690 400 58 270 Merit Network
4355 390 323 101 EarthLink, Inc.
705 381 196 236 UUNET Technologies, Inc.
27364 381 28 24 Armstrong Cable Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 698 2075 581 UUNET - Commercial IP service
3301 297 1154 282 TeliaNet Sweden
3320 280 1972 230 Deutsche Telekom AG
8220 267 424 252 COLT Internet - International
1257 258 505 192 SWIPnet Swedish IP Network
680 229 2022 226 DFN-IP service G-WiN
13083 215 51 8 Mannesmann Datenverarbeitung
3246 185 424 183 Song Networks
786 175 1826 175 The JANET IP Service
5515 173 762 135 Sonera Solution Autonomous Sy
25186 168 201 109 France Telecom Transpac's Tra
8708 165 111 158 Romania Data Systems S.A.
3215 144 754 67 France Telecom Transpac
3303 144 557 137 Swisscom Ltd
5400 140 176 125 BT Ignite European Backbone
719 134 288 104 LANLINK autonomous system
12302 126 18 33 MobiFon S.A.
3269 119 941 64 TELECOM ITALIA
2856 118 1294 108 BTnet UK Regional network
3352 101 876 29 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 351 120 69 ImpSat
8151 240 336 124 UniNet S.A. de C.V.
11172 198 77 44 Servicios Alestra S.A de C.V
7303 178 52 18 Telecom Argentina Stet-France
16814 156 10 5 NSS, S.A.
6505 135 91 95 Global One Communicaoes Ltda
6503 128 220 93 AVANTEL, S.A.
6147 123 78 20 Telefonica Del Peru
11340 108 3 29 Red Universitaria Nacional
8065 77 10 21 Empresas Publicas de Medellin
6535 76 5 19 Chilesat Servicios Empresari
15311 76 17 37 Telefonica Empresas
4270 71 18 9 Red de Interconexion Universi
11992 68 25 32 Integrated Systems
11311 66 7 22 Sinectis S.A.
7080 64 4 1 Electronica y Comunicaciones
27699 62 168 15 TELECOMUNICACOES DE SAO PAULO
14420 61 4 23 ANDINATEL S.A.
1916 59 247 39 Fundacao de Amparo a Pesquisa
5639 58 7 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 249 632 218 The Internet Solution
5536 101 6 16 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 90 272 80 The Internetworking Company o
2561 56 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
12455 24 4 2 Jambonet Autonomous system
24835 23 18 6 RAYA Telecom - Egypt
6713 22 38 9 Itissalat Al-MAGHRIB
10798 18 1 12 Standard Bank of South Africa
8524 17 1 3 AUCEGYPT Autonomous System
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 734 726 Covad Communications
4134 712 602 Data Communications Bureau
6197 826 577 BellSouth Network Solutions,
4323 677 474 Time Warner Communications, I
701 1390 435 UUNET Technologies, Inc.
7843 508 391 Adelphia Corp.
6198 568 374 BellSouth Network Solutions,
27364 381 357 Armstrong Cable Services
22909 320 307 Comcast Cable Corporation
5668 320 304 Century Telephone
22773 327 297 Cox Communications, Inc. Atla
4355 390 289 EarthLink, Inc.
1239 947 287 Sprint
6140 351 282 ImpSat
4755 324 265 Videsh Sanchar Nigam Ltd. Aut
9443 343 264 Primus Telecommunications
9583 273 262 Satyam Infoway Ltd.,
1221 909 255 Telstra Pty Ltd
17676 292 254 XTAGE CORPORATION
20115 583 252 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
31769 UNALLOCATED 12.164.144.0/24 7018 AT&T
31784 UNALLOCATED 12.167.154.0/23 7018 AT&T
31753 UNALLOCATED 63.251.94.0/24 10913 InterNAP Network Ser
31769 UNALLOCATED 65.218.210.0/24 701 UUNET Technologies,
31769 UNALLOCATED 65.218.210.0/23 7018 AT&T
31769 UNALLOCATED 65.218.211.0/24 701 UUNET Technologies,
31766 UNALLOCATED 67.99.177.0/24 4513 PFM Communications,
31795 UNALLOCATED 68.88.220.0/24 7132 Southwestern Bell In
31780 UNALLOCATED 69.38.148.0/24 701 UUNET Technologies,
31752 UNALLOCATED 69.60.224.0/20 23184 Persona Communicatio
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
31763 UNALLOCATED 205.235.32.0/19 3593 EPIX
31763 UNALLOCATED 205.235.48.0/24 3593 EPIX
31763 UNALLOCATED 205.235.49.0/24 3593 EPIX
31757 UNALLOCATED 207.105.158.0/24 7132 Southwestern Bell In
31776 UNALLOCATED 208.28.117.0/24 6395 Broadwing Communicat
31766 UNALLOCATED 209.10.138.0/24 4513 PFM Communications,
31779 UNALLOCATED 216.66.230.0/24 701 UUNET Technologies,
31749 UNALLOCATED 216.248.43.0/24 2551 ICG NetAhead, Inc
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
/13:103 /14:279 /15:494 /16:7527 /17:1849 /18:3435
/19:8863 /20:9303 /21:6713 /22:9393 /23:11020 /24:71730
/25:186 /26:236 /27:141 /28:32 /29:7 /30:45
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 728 734 Covad Communications
6197 674 826 BellSouth Network Solutions,
7018 529 1416 AT&T
702 426 698 UUNET - Commercial IP service
6198 426 568 BellSouth Network Solutions,
701 425 1390 UUNET Technologies, Inc.
7066 396 503 Virginia Polytechnic Institut
27364 375 381 Armstrong Cable Services
3356 372 733 Level 3 Communications, LLC
20115 364 583 Charter Communications
690 361 400 Merit Network
1239 338 947 Sprint
5668 283 320 Century Telephone
19029 264 406 New Edge Networks
25844 244 244 Skadden, Arps, Slate, Meagher
3320 227 280 Deutsche Telekom AG
6386 223 249 bellsouth.net, inc.
4355 215 390 EarthLink, Inc.
6517 212 237 Yipes Communications, Inc.
4766 209 369 Korea Internet Exchange for "
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 5:1 9:1 12:759 13:1 15:6
16:1 17:3 20:7 22:2 24:876 25:4
32:83 35:1 36:1 38:43 40:27 44:1
51:1 55:1 56:1 57:14 61:340 62:450
63:1814 64:1798 65:1807 66:2209 67:248 68:690
69:368 80:432 81:182 82:58 128:143 129:260
130:69 131:80 132:17 134:176 135:16 136:129
137:115 138:126 139:38 140:158 141:133 142:111
143:48 144:84 145:39 146:289 147:73 148:319
149:87 150:119 151:60 152:209 153:59 154:1
155:130 156:60 157:54 158:133 159:137 160:46
161:50 162:368 163:69 164:331 165:175 166:104
167:209 168:176 169:96 170:299 171:8 192:5502
193:2486 194:2009 195:1294 196:515 198:3621 199:2831
200:2991 201:5 202:4333 203:5412 204:3024 205:2039
206:2254 207:2578 208:2459 209:2883 210:1005 211:408
212:908 213:978 214:23 215:25 216:3357 217:807
218:121 219:80 220:141 221:18
End of report
