[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 Fri 16 May, 2003
Analysis Summary
----------------
BGP routing table entries examined: 125991
Prefixes after maximum aggregation: 78591
Unique aggregates announced to Internet: 59250
Total ASes present in the Internet Routing Table: 15181
Origin-only ASes present in the Internet Routing Table: 13151
Origin ASes announcing only one prefix: 5977
Transit ASes present in the Internet Routing Table: 2030
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: 255
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 18
Number of addresses announced to Internet: 1230187648
Equivalent to 73 /8s, 83 /16s and 44 /24s
Percentage of available address space announced: 33.2
Percentage of allocated address space announced: 59.3
Percentage of available address space allocated: 55.9
Total number of prefixes smaller than registry allocations: 54739
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 21348
Total APNIC prefixes after maximum aggregation: 12416
Prefixes being announced from the APNIC address blocks: 19795
Unique aggregates announced from the APNIC address blocks: 12090
APNIC Region origin ASes present in the Internet Routing Table: 1800
APNIC Region origin ASes announcing only one prefix: 529
APNIC Region transit ASes present in the Internet Routing Table: 303
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 113186080
Equivalent to 6 /8s, 191 /16s and 21 /24s
Percentage of available APNIC address space announced: 61.0
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: 77643
Total ARIN prefixes after maximum aggregation: 48061
Prefixes being announced from the ARIN address blocks: 55713
Unique aggregates announced from the ARIN address blocks: 16535
ARIN Region origin ASes present in the Internet Routing Table: 8395
ARIN Region origin ASes announcing only one prefix: 2873
ARIN Region transit ASes present in the Internet Routing Table: 811
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 191806720
Equivalent to 11 /8s, 110 /16s and 189 /24s
Percentage of available ARIN address space announced: 71.5
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, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 21659
Total RIPE prefixes after maximum aggregation: 15863
Prefixes being announced from the RIPE address blocks: 18170
Unique aggregates announced from the RIPE address blocks: 12026
RIPE Region origin ASes present in the Internet Routing Table: 4581
RIPE Region origin ASes announcing only one prefix: 2490
RIPE Region transit ASes present in the Internet Routing Table: 815
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 130543808
Equivalent to 7 /8s, 199 /16s and 240 /24s
Percentage of available RIPE address space announced: 70.7
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
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: 5340
Total LACNIC prefixes after maximum aggregation: 2251
Prefixes being announced from the LACNIC address blocks: 4771
Unique aggregates announced from the LACNIC address blocks: 2979
LACNIC Region origin ASes present in the Internet Routing Table: 332
LACNIC Region origin ASes announcing only one prefix: 85
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: 24
Number of LACNIC addresses announced to Internet: 12576256
Equivalent to 0 /8s, 191 /16s and 230 /24s
Percentage of available LACNIC address space announced: 37.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1082 1103 769 Telstra Pty Ltd
4755 413 134 71 Videsh Sanchar Nigam Ltd. Aut
2907 386 1976 363 SINET Japan
17557 372 26 147 Pakistan Telecom
703 365 376 293 UUNET
2764 320 342 283 connect.com.au pty ltd
4814 295 86 19 China Telecom (Group)
7474 272 291 205 Optus Communications Pty Ltd
17676 247 3814 19 XTAGE CORPORATION
3786 242 773 209 DACOM Corporation
4134 227 2040 116 Data Communications Bureau
9583 223 34 17 Satyam Infoway Ltd.,
4766 214 2475 160 Korea Internet Exchange for "
9443 184 58 83 Primus Telecommunications
9800 179 259 57 CHINA UNICOM
4739 137 57 125 Commerical Internet eXchange
9498 135 9 13 BHARTI BT INTERNET LTD.
9238 133 8 17 TATA ISP
4716 128 729 122 TTnet
9768 126 384 64 Korea Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1566 8936 1104 UUNET Technologies, Inc.
7018 1327 7166 920 AT&T
4151 1149 691 60 USDA
7132 966 6476 209 Southwestern Bell Internet Se
1239 940 3026 660 Sprint
3908 923 1573 477 Supernet, Inc.
189 704 341 287 Genuity
1 679 2682 463 GENUITY
7843 664 347 175 Adelphia Corp.
4323 588 514 169 Time Warner Communications, I
2386 579 488 276 AT&T Data Communications Serv
18566 577 160 8 Covad Communications
705 538 291 236 UUNET Technologies, Inc.
852 538 1155 423 Telus Advanced Communications
3561 508 2342 327 Cable & Wireless USA
209 492 2105 297 Qwest
6197 485 341 194 BellSouth Network Solutions,
7066 485 204 260 Virginia Polytechnic Institut
690 476 68 315 Merit Network
20115 474 195 288 Charter Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 756 2175 642 UUNET - Commercial IP service
3320 346 2004 228 Deutsche Telekom AG
3301 307 1157 297 TeliaNet Sweden
3215 300 836 172 France Telecom Transpac
680 232 2053 229 DFN-IP service G-WiN
1257 227 327 189 SWIPnet Swedish IP Network
8220 216 368 205 COLT Internet - International
719 215 307 124 LANLINK autonomous system
5400 189 109 109 BT Ignite European Backbone
5515 182 795 153 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
20858 165 17 3 This AS will be used to conne
8708 156 44 149 Romania Data Systems S.A.
3303 141 517 140 Swisscom Ltd
12302 128 18 35 MobiFon S.A.
2856 124 1299 114 BTnet UK Regional network
3269 116 819 63 TELECOM ITALIA
3246 113 383 110 Song Networks
3352 107 748 30 Ibernet, Internet Access Netw
2874 96 84 37 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 294 98 106 ImpSat
7303 255 36 64 Telecom Argentina Stet-France
8151 221 335 122 UniNet S.A. de C.V.
11172 165 66 38 Servicios Alestra S.A de C.V
6503 139 205 99 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
10620 113 7 33 TVCABLE BOGOTA
11340 106 3 34 Red Universitaria Nacional
6147 93 62 20 Telefonica Del Peru
11992 83 8 35 Integrated Systems
8065 78 8 16 Empresas Publicas de Medellin
4270 75 18 10 Red de Interconexion Universi
6535 74 5 23 Chilesat Servicios Empresari
13999 74 36 8 Mega Cable S.A. de C.V.
1916 73 306 43 Fundacao de Amparo a Pesquisa
15311 71 12 35 Telefonica Empresas
11830 66 4 27 Instituto Costarricense de El
7738 65 186 12 Telecomunicacoes da Bahia S.A
7927 65 5 40 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4151 1149 1089 USDA
7132 966 757 Southwestern Bell Internet Se
18566 577 569 Covad Communications
7843 664 489 Adelphia Corp.
3908 923 446 Supernet, Inc.
4323 588 419 Time Warner Communications, I
189 704 417 Genuity
7018 1327 407 AT&T
4755 413 342 Videsh Sanchar Nigam Ltd. Aut
1221 1082 313 Telstra Pty Ltd
2386 579 303 AT&T Data Communications Serv
705 538 302 UUNET Technologies, Inc.
6197 485 291 BellSouth Network Solutions,
4355 396 291 EarthLink, Inc.
6347 368 289 SAVVIS Communications Corpora
6198 462 286 BellSouth Network Solutions,
1239 940 280 Sprint
4814 295 276 China Telecom (Group)
22927 289 276 TELEFONICA DE ARGENTINA
27364 294 274 Armstrong Cable Services
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.16.52.0/24 1239 Sprint
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
192.136.135.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.158.254.0/24 705 UUNET Technologies, Inc.
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 /8:18 /9:5 /10:8 /11:13 /12:51
/13:96 /14:252 /15:470 /16:7417 /17:1682 /18:2972
/19:8438 /20:8401 /21:6025 /22:8995 /23:10661 /24:69973
/25:160 /26:215 /27:52 /28:26 /29:12 /30:23
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
189 627 704 Genuity
3908 579 923 Supernet, Inc.
18566 571 577 Covad Communications
7018 466 1327 AT&T
702 463 756 UUNET - Commercial IP service
701 435 1566 UUNET Technologies, Inc.
690 427 476 Merit Network
7843 427 664 Adelphia Corp.
7066 382 485 Virginia Polytechnic Institut
6197 361 485 BellSouth Network Solutions,
6198 361 462 BellSouth Network Solutions,
2386 360 579 AT&T Data Communications Serv
1239 350 940 Sprint
20115 335 474 Charter Communications
3320 289 346 Deutsche Telekom AG
27364 287 294 Armstrong Cable Services
4814 281 295 China Telecom (Group)
1 252 679 GENUITY
22927 227 289 TELEFONICA DE ARGENTINA
3215 224 300 France Telecom Transpac
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:700 13:1 15:4 16:1 17:3 20:8
24:826 25:1 32:87 38:121 40:18 44:2
55:1 57:17 61:444 62:566 63:1869 64:1765
65:1928 66:2432 67:171 68:379 69:130 80:346
81:126 128:146 129:178 130:45 131:80 132:11
133:1 134:146 135:4 136:115 137:109 138:108
139:64 140:134 141:115 142:97 143:44 144:100
145:14 146:269 147:95 148:288 149:71 150:44
151:79 152:243 153:57 154:3 155:109 156:46
157:40 158:127 159:147 160:36 161:75 162:141
163:78 164:309 165:142 166:94 167:335 168:399
169:62 170:304 171:7 192:5309 193:2433 194:1977
195:1040 196:460 198:3565 199:3804 200:2972 202:3790
203:5235 204:3007 205:2058 206:2376 207:2393 208:2617
209:2863 210:779 211:328 212:934 213:805 214:20
215:23 216:3293 217:619 218:90 219:28 220:96
221:2
End of report
