[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 08 Jun, 2003
Analysis Summary
----------------
BGP routing table entries examined: 125809
Prefixes after maximum aggregation: 78879
Unique aggregates announced to Internet: 59206
Total ASes present in the Internet Routing Table: 15282
Origin-only ASes present in the Internet Routing Table: 13254
Origin ASes announcing only one prefix: 5996
Transit ASes present in the Internet Routing Table: 2028
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 255
Illegal AS announcements present in the Routing Table: 4
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 29
Number of addresses announced to Internet: 1250615424
Equivalent to 74 /8s, 138 /16s and 224 /24s
Percentage of available address space announced: 33.7
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 55.9
Total number of prefixes smaller than registry allocations: 55539
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 21745
Total APNIC prefixes after maximum aggregation: 12599
Prefixes being announced from the APNIC address blocks: 20137
Unique aggregates announced from the APNIC address blocks: 12131
APNIC Region origin ASes present in the Internet Routing Table: 1811
APNIC Region origin ASes announcing only one prefix: 516
APNIC Region transit ASes present in the Internet Routing Table: 299
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 114671776
Equivalent to 6 /8s, 213 /16s and 192 /24s
Percentage of available APNIC address space announced: 61.8
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: 77046
Total ARIN prefixes after maximum aggregation: 48052
Prefixes being announced from the ARIN address blocks: 55290
Unique aggregates announced from the ARIN address blocks: 16376
ARIN Region origin ASes present in the Internet Routing Table: 8439
ARIN Region origin ASes announcing only one prefix: 2877
ARIN Region transit ASes present in the Internet Routing Table: 813
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 192590080
Equivalent to 11 /8s, 122 /16s and 177 /24s
Percentage of available ARIN address space announced: 71.7
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: 21667
Total RIPE prefixes after maximum aggregation: 15977
Prefixes being announced from the RIPE address blocks: 18156
Unique aggregates announced from the RIPE address blocks: 12192
RIPE Region origin ASes present in the Internet Routing Table: 4627
RIPE Region origin ASes announcing only one prefix: 2519
RIPE Region transit ASes present in the Internet Routing Table: 817
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 131934976
Equivalent to 7 /8s, 221 /16s and 43 /24s
Percentage of available RIPE address space announced: 71.5
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
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: 5347
Total LACNIC prefixes after maximum aggregation: 2251
Prefixes being announced from the LACNIC address blocks: 4757
Unique aggregates announced from the LACNIC address blocks: 2969
LACNIC Region origin ASes present in the Internet Routing Table: 333
LACNIC Region origin ASes announcing only one prefix: 84
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 12680448
Equivalent to 0 /8s, 193 /16s and 125 /24s
Percentage of available LACNIC address space announced: 37.8
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 1075 1103 768 Telstra Pty Ltd
4755 411 133 69 Videsh Sanchar Nigam Ltd. Aut
2907 374 1895 350 SINET Japan
17557 348 25 149 Pakistan Telecom
703 343 371 272 UUNET
2764 314 341 280 connect.com.au pty ltd
4814 297 86 19 China Telecom (Group)
7474 269 306 203 Optus Communications Pty Ltd
17676 250 3862 19 XTAGE CORPORATION
3786 243 773 210 DACOM Corporation
4134 241 2067 120 Data Communications Bureau
9583 227 34 18 Satyam Infoway Ltd.,
4766 212 2475 159 Korea Internet Exchange for "
9443 182 58 82 Primus Telecommunications
9800 181 260 59 CHINA UNICOM
9498 146 10 17 BHARTI BT INTERNET LTD.
4739 138 57 126 Commerical Internet eXchange
9238 134 8 17 TATA ISP
7539 129 156 103 TANet2, sponsored by NSC, TAI
4716 128 745 122 TTnet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1543 8913 1088 UUNET Technologies, Inc.
7018 1329 7177 921 AT&T
7132 1015 6572 227 Southwestern Bell Internet Se
1239 950 3022 668 Sprint
3908 919 1549 482 Supernet, Inc.
189 705 341 292 Genuity
11305 647 170 72 Interland Incorporated
1 632 2607 427 GENUITY
7843 632 357 179 Adelphia Corp.
4323 598 525 175 Time Warner Communications, I
18566 588 160 8 Covad Communications
852 527 1124 416 Telus Advanced Communications
705 510 273 333 UUNET Technologies, Inc.
209 494 2106 300 Qwest
6197 491 343 194 BellSouth Network Solutions,
7066 482 204 259 Virginia Polytechnic Institut
6198 466 230 177 BellSouth Network Solutions,
20115 461 194 283 Charter Communications
690 452 66 296 Merit Network
2386 442 521 251 AT&T Data Communications Serv
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 750 2173 637 UUNET - Commercial IP service
3301 302 1171 289 TeliaNet Sweden
3215 295 880 168 France Telecom Transpac
3320 265 2004 227 Deutsche Telekom AG
680 232 2053 229 DFN-IP service G-WiN
1257 224 311 186 SWIPnet Swedish IP Network
8220 223 384 211 COLT Internet - International
5400 222 139 131 BT Ignite European Backbone
719 215 307 124 LANLINK autonomous system
5515 181 795 152 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
8708 152 44 149 Romania Data Systems S.A.
3303 140 549 137 Swisscom Ltd
8895 131 58 29 KACST/ISU Riyadh Autonomous S
12302 128 18 35 MobiFon S.A.
2856 124 1315 114 BTnet UK Regional network
3246 118 366 114 Song Networks
3269 117 823 64 TELECOM ITALIA
3352 109 780 32 Ibernet, Internet Access Netw
2647 98 4129 39 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 295 98 110 ImpSat
7303 238 37 57 Telecom Argentina Stet-France
8151 214 350 117 UniNet S.A. de C.V.
11172 172 66 40 Servicios Alestra S.A de C.V
16814 135 9 17 NSS, S.A.
6503 130 189 93 AVANTEL, S.A.
10620 115 7 32 TVCABLE BOGOTA
11340 106 3 34 Red Universitaria Nacional
6147 99 70 21 Telefonica Del Peru
11992 90 9 34 Integrated Systems
8065 80 8 15 Empresas Publicas de Medellin
6535 74 5 23 Chilesat Servicios Empresari
1916 73 306 43 Fundacao de Amparo a Pesquisa
15311 71 12 35 Telefonica Empresas
13999 68 36 8 Mega Cable S.A. de C.V.
4270 66 18 9 Red de Interconexion Universi
11830 66 4 27 Instituto Costarricense de El
7080 64 4 1 Electronica y Comunicaciones
7927 64 5 39 Global One Venezuela
15034 62 5 33 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7132 1015 788 Southwestern Bell Internet Se
18566 588 580 Covad Communications
11305 647 575 Interland Incorporated
7843 632 453 Adelphia Corp.
3908 919 437 Supernet, Inc.
4323 598 423 Time Warner Communications, I
189 705 413 Genuity
7018 1329 408 AT&T
4755 411 342 Videsh Sanchar Nigam Ltd. Aut
1221 1075 307 Telstra Pty Ltd
6197 491 297 BellSouth Network Solutions,
27364 315 297 Armstrong Cable Services
4355 404 293 EarthLink, Inc.
6198 466 289 BellSouth Network Solutions,
6347 364 286 SAVVIS Communications Corpora
22927 298 285 TELEFONICA DE ARGENTINA
1239 950 282 Sprint
4814 297 278 China Telecom (Group)
376 385 269 Reseau Interordinateurs Scien
22909 275 264 Comcast Cable Corporation
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65516 PRIVATE 61.232.70.0/24 17621 China Netcom Corp.
65516 PRIVATE 61.232.71.0/24 17621 China Netcom Corp.
65516 PRIVATE 61.232.72.0/22 17621 China Netcom Corp.
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
172.208.0.0/14 1668 GNN Hosting Service
173.30.197.128/26 3549 Global Crossing
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
192.153.136.0/21 568 DISO-UNRRA
192.158.254.0/24 705 UUNET Technologies, Inc.
192.172.0.0/19 568 DISO-UNRRA
192.228.21.0/24 27299 CIRA Canadian Internet Regist
192.228.22.0/24 27299 CIRA Canadian Internet Regist
192.228.23.0/24 27299 CIRA Canadian Internet Regist
192.228.24.0/24 27299 CIRA Canadian Internet Regist
192.228.25.0/24 27299 CIRA Canadian Internet Regist
192.228.26.0/24 27299 CIRA Canadian Internet Regist
192.228.27.0/24 27299 CIRA Canadian Internet Regist
192.228.28.0/24 27299 CIRA Canadian Internet Regist
192.228.29.0/24 27299 CIRA Canadian Internet Regist
192.228.30.0/24 27299 CIRA Canadian Internet Regist
192.228.31.0/24 27299 CIRA Canadian Internet Regist
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:5 /10:8 /11:13 /12:52
/13:99 /14:256 /15:470 /16:7419 /17:1684 /18:2989
/19:8463 /20:8538 /21:6145 /22:9080 /23:10660 /24:69364
/25:161 /26:216 /27:55 /28:40 /29:26 /30:21
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
189 628 705 Genuity
18566 582 588 Covad Communications
3908 575 919 Supernet, Inc.
11305 573 647 Interland Incorporated
7018 461 1329 AT&T
702 459 750 UUNET - Commercial IP service
701 432 1543 UUNET Technologies, Inc.
690 410 452 Merit Network
7843 394 632 Adelphia Corp.
7066 379 482 Virginia Polytechnic Institut
6197 367 491 BellSouth Network Solutions,
6198 364 466 BellSouth Network Solutions,
1239 357 950 Sprint
20115 322 461 Charter Communications
27364 308 315 Armstrong Cable Services
4814 282 297 China Telecom (Group)
22927 236 298 TELEFONICA DE ARGENTINA
1 234 632 GENUITY
2386 222 442 AT&T Data Communications Serv
3215 219 295 France Telecom Transpac
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:702 13:1 15:4 16:1 17:3
20:8 24:857 25:1 32:87 38:60 40:20
44:2 57:17 61:456 62:346 63:1874 64:1933
65:1963 66:2581 67:178 68:381 69:161 80:355
81:126 128:138 129:179 130:47 131:77 132:26
134:175 135:4 136:117 137:106 138:109 139:64
140:129 141:116 142:94 143:42 144:57 145:14
146:276 147:96 148:289 149:61 150:43 151:70
152:231 153:59 154:3 155:116 156:53 157:38
158:127 159:139 160:43 161:76 162:128 163:75
164:306 165:143 166:92 167:319 168:410 169:60
170:312 171:7 192:5330 193:2445 194:1953 195:1043
196:473 198:3552 199:2701 200:2953 202:3767 203:5259
204:2987 205:2027 206:2360 207:2414 208:2606 209:2876
210:820 211:333 212:1074 213:793 214:17 215:19
216:3525 217:628 218:87 219:42 220:92 221:3
End of report
