[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 26 Mar, 2003
Analysis Summary
----------------
BGP routing table entries examined: 123161
Prefixes after maximum aggregation: 78206
Unique aggregates announced to Internet: 59121
Total ASes present in the Internet Routing Table: 14896
Origin-only ASes present in the Internet Routing Table: 12916
Origin ASes announcing only one prefix: 5842
Transit ASes present in the Internet Routing Table: 1980
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 255
Illegal AS announcements present in the Routing Table: 12
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1219134309
Equivalent to 72 /8s, 170 /16s and 131 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 55.0
Total number of prefixes smaller than registry allocations: 57807
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20677
Total APNIC prefixes after maximum aggregation: 12272
Prefixes being announced from the APNIC address blocks: 19129
Unique aggregates announced from the APNIC address blocks: 11807
APNIC Region origin ASes present in the Internet Routing Table: 1757
APNIC Region origin ASes announcing only one prefix: 519
APNIC Region transit ASes present in the Internet Routing Table: 290
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 108079872
Equivalent to 6 /8s, 113 /16s and 43 /24s
Percentage of available APNIC address space announced: 64.0
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75907
Total ARIN prefixes after maximum aggregation: 48083
Prefixes being announced from the ARIN address blocks: 54042
Unique aggregates announced from the ARIN address blocks: 16815
ARIN Region origin ASes present in the Internet Routing Table: 8264
ARIN Region origin ASes announcing only one prefix: 2791
ARIN Region transit ASes present in the Internet Routing Table: 790
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 188105792
Equivalent to 11 /8s, 54 /16s and 68 /24s
Percentage of available ARIN address space announced: 70.1
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
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: 21350
Total RIPE prefixes after maximum aggregation: 15650
Prefixes being announced from the RIPE address blocks: 17871
Unique aggregates announced from the RIPE address blocks: 11876
RIPE Region origin ASes present in the Internet Routing Table: 4471
RIPE Region origin ASes announcing only one prefix: 2446
RIPE Region transit ASes present in the Internet Routing Table: 806
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 128514048
Equivalent to 7 /8s, 168 /16s and 248 /24s
Percentage of available RIPE address space announced: 76.6
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: 5215
Total LACNIC prefixes after maximum aggregation: 2201
Prefixes being announced from the LACNIC address blocks: 4625
Unique aggregates announced from the LACNIC address blocks: 2922
LACNIC Region origin ASes present in the Internet Routing Table: 330
LACNIC Region origin ASes announcing only one prefix: 86
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 12389632
Equivalent to 0 /8s, 189 /16s and 13 /24s
Percentage of available LACNIC address space announced: 73.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1103 1106 807 Telstra Pty Ltd
703 406 370 314 UUNET
2907 386 1975 365 SINET Japan
17557 376 28 139 Pakistan Telecom
2764 324 340 291 connect.com.au pty ltd
4134 312 2680 104 Data Communications Bureau
7474 306 276 207 Optus Communications Pty Ltd
4814 264 79 15 China Telecom (Group)
3786 250 772 212 DACOM Corporation
17676 236 3638 26 XTAGE CORPORATION
4755 230 135 75 Videsh Sanchar Nigam Ltd. Aut
9583 219 33 14 Satyam Infoway Ltd.,
4766 206 2074 155 Korea Internet Exchange for "
9443 179 58 78 Primus Telecommunications
9800 168 208 41 CHINA UNICOM
9238 135 8 17 TATA ISP
7539 130 166 123 TANet2, sponsored by NSC, TAI
4716 128 717 122 TTnet
4739 127 57 116 Commerical Internet eXchange
9768 125 384 64 Korea Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1582 8829 1123 UUNET Technologies, Inc.
7018 1356 7143 942 AT&T
3908 1249 1588 482 Supernet, Inc.
1239 975 3137 692 Sprint
1 694 8073 427 GENUITY
7132 678 5956 480 Southwestern Bell Internet Se
7843 606 404 155 Adelphia Corp.
3561 590 2352 343 Cable & Wireless USA
4151 558 691 61 USDA
4323 557 490 172 Time Warner Communications, I
852 553 1107 435 Telus Advanced Communications
18566 541 122 11 Covad Communications
705 530 205 266 UUNET Technologies, Inc.
209 529 2086 337 Qwest
690 504 74 314 Merit Network
2386 499 481 247 AT&T Data Communications Serv
7066 489 204 254 Virginia Polytechnic Institut
6197 476 338 196 BellSouth Network Solutions,
6198 447 221 174 BellSouth Network Solutions,
20115 415 169 271 Charter Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 783 2236 648 UUNET - Commercial IP service
3301 311 1174 301 TeliaNet Sweden
3215 310 835 174 France Telecom Transpac
3320 267 1996 230 Deutsche Telekom AG
680 232 2053 229 DFN-IP service G-WiN
5400 223 77 106 BT Ignite European Backbone
1257 217 328 191 SWIPnet Swedish IP Network
719 202 307 125 LANLINK autonomous system
5515 186 779 160 Sonera Solution Autonomous Sy
786 180 1874 180 The JANET IP Service
8708 153 42 150 Romania Data Systems S.A.
20858 152 17 3 This AS will be used to conne
3303 145 517 144 Swisscom Ltd
8220 135 215 127 COLT Internet - International
12302 123 18 30 MobiFon S.A.
2856 118 1298 108 BTnet UK Regional network
3269 112 753 62 TELECOM ITALIA
3246 111 384 108 Song Networks
3233 107 11 12 RNC - Romanian Natioanal R&D
3352 105 734 32 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 268 96 108 ImpSat
7303 242 36 56 Telecom Argentina Stet-France
8151 217 349 116 UniNet S.A. de C.V.
11172 165 66 33 Servicios Alestra S.A de C.V
6503 155 191 109 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
11340 110 3 38 Red Universitaria Nacional
10620 107 7 31 TVCABLE BOGOTA
6147 76 62 20 Telefonica Del Peru
1916 75 306 45 Fundacao de Amparo a Pesquisa
11992 75 8 35 Integrated Systems
8065 73 6 18 Empresas Publicas de Medellin
6535 72 5 23 Chilesat Servicios Empresari
15311 71 27 36 Telefonica Empresas
4270 69 18 10 Red de Interconexion Universi
7080 64 4 1 Electronica y Comunicaciones
7927 64 5 39 Global One Venezuela
11830 63 4 25 Instituto Costarricense de El
7984 61 11 40 Global One Colombia
13999 60 36 8 Mega Cable S.A. de C.V.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1249 767 Supernet, Inc.
18566 541 530 Covad Communications
4151 558 497 USDA
7843 606 451 Adelphia Corp.
7018 1356 414 AT&T
4323 557 385 Time Warner Communications, I
1221 1103 296 Telstra Pty Ltd
6347 371 291 SAVVIS Communications Corpora
1239 975 283 Sprint
6197 476 280 BellSouth Network Solutions,
4355 386 274 EarthLink, Inc.
6198 447 273 BellSouth Network Solutions,
22927 286 272 TELEFONICA DE ARGENTINA
1 694 267 GENUITY
705 530 264 UUNET Technologies, Inc.
2386 499 252 AT&T Data Communications Serv
27364 270 252 Armstrong Cable Services
4814 264 249 China Telecom (Group)
3561 590 247 Cable & Wireless USA
17557 376 237 Pakistan Telecom
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
64521 PRIVATE 198.189.23.0/24 2151 California State Uni
64521 PRIVATE 198.189.24.0/24 2151 California State Uni
64524 PRIVATE 198.189.134.0/24 2151 California State Uni
64524 PRIVATE 198.189.135.0/24 2151 California State Uni
64524 PRIVATE 198.189.136.0/24 2151 California State Uni
64524 PRIVATE 198.189.137.0/24 2151 California State Uni
64524 PRIVATE 198.189.138.0/24 2151 California State Uni
64521 PRIVATE 198.189.158.0/24 2151 California State Uni
64521 PRIVATE 198.189.235.0/24 2151 California State Uni
64521 PRIVATE 198.189.236.0/24 2151 California State Uni
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
135.0.0.0/13 10455 Lucent Technologies
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
192.136.135.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.158.249.0/24 27319 INTERNET SOFTWARE CONSORTIUM,
192.172.0.0/19 568 DISO-UNRRA
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:3 /10:8 /11:13 /12:46
/13:89 /14:241 /15:453 /16:7359 /17:1635 /18:2922
/19:8253 /20:8236 /21:5864 /22:8853 /23:10654 /24:67624
/25:198 /26:200 /27:129 /28:122 /29:78 /30:91
/31:4 /32:68
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 817 1249 Supernet, Inc.
18566 536 541 Covad Communications
702 486 783 UUNET - Commercial IP service
7018 467 1356 AT&T
701 459 1582 UUNET Technologies, Inc.
690 453 504 Merit Network
7066 388 489 Virginia Polytechnic Institut
1239 371 975 Sprint
6197 355 476 BellSouth Network Solutions,
6198 355 447 BellSouth Network Solutions,
7843 355 606 Adelphia Corp.
2386 299 499 AT&T Data Communications Serv
20115 290 415 Charter Communications
22927 285 286 TELEFONICA DE ARGENTINA
705 279 530 UUNET Technologies, Inc.
27364 264 270 Armstrong Cable Services
6140 256 268 ImpSat
7303 241 242 Telecom Argentina Stet-France
3215 234 310 France Telecom Transpac
209 226 529 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:1 12:667 13:1 15:4 17:2 20:10
24:775 25:1 32:93 34:1 38:62 40:18
44:2 55:1 57:15 61:453 62:510 63:1987
64:1462 65:1933 66:1591 67:222 68:299 69:67
80:339 81:104 128:150 129:225 130:45 131:83
132:11 133:11 134:146 135:4 136:113 137:135
138:106 139:67 140:149 141:85 142:97 143:47
144:98 145:18 146:266 147:90 148:274 149:74
150:42 151:66 152:249 153:52 154:2 155:109
156:46 157:44 158:123 159:137 160:33 161:61
162:127 163:90 164:297 165:145 166:74 167:321
168:401 169:55 170:314 171:6 192:5304 193:2396
194:1994 195:973 196:479 198:3620 199:3251 200:2871
202:3649 203:5038 204:3069 205:2032 206:2413 207:2444
208:2681 209:2835 210:733 211:328 212:981 213:776
214:20 215:22 216:3252 217:606 218:82 219:11
220:56
End of report
