[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 Mar, 2003
Analysis Summary
----------------
BGP routing table entries examined: 122528
Prefixes after maximum aggregation: 77850
Unique aggregates announced to Internet: 59021
Total ASes present in the Internet Routing Table: 14773
Origin-only ASes present in the Internet Routing Table: 12836
Origin ASes announcing only one prefix: 5783
Transit ASes present in the Internet Routing Table: 1937
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 11
Non-routable prefixes present in the Routing Table: 1
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1199622021
Equivalent to 71 /8s, 128 /16s and 199 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 58.3
Percentage of available address space allocated: 55.5
Total number of prefixes smaller than registry allocations: 57416
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20636
Total APNIC prefixes after maximum aggregation: 12149
Prefixes being announced from the APNIC address blocks: 19092
Unique aggregates announced from the APNIC address blocks: 11695
APNIC Region origin ASes present in the Internet Routing Table: 1750
APNIC Region origin ASes announcing only one prefix: 521
APNIC Region transit ASes present in the Internet Routing Table: 288
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 107034784
Equivalent to 6 /8s, 97 /16s and 56 /24s
Percentage of available APNIC address space announced: 56.8
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/6
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75359
Total ARIN prefixes after maximum aggregation: 47906
Prefixes being announced from the ARIN address blocks: 53603
Unique aggregates announced from the ARIN address blocks: 16774
ARIN Region origin ASes present in the Internet Routing Table: 8207
ARIN Region origin ASes announcing only one prefix: 2767
ARIN Region transit ASes present in the Internet Routing Table: 773
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 187097536
Equivalent to 11 /8s, 38 /16s and 225 /24s
Percentage of available ARIN address space announced: 69.7
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
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: 21235
Total RIPE prefixes after maximum aggregation: 15578
Prefixes being announced from the RIPE address blocks: 17730
Unique aggregates announced from the RIPE address blocks: 11808
RIPE Region origin ASes present in the Internet Routing Table: 4422
RIPE Region origin ASes announcing only one prefix: 2409
RIPE Region transit ASes present in the Internet Routing Table: 799
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 127776256
Equivalent to 7 /8s, 157 /16s and 182 /24s
Percentage of available RIPE address space announced: 76.2
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: 5288
Total LACNIC prefixes after maximum aggregation: 2217
Prefixes being announced from the LACNIC address blocks: 4677
Unique aggregates announced from the LACNIC address blocks: 3040
LACNIC Region origin ASes present in the Internet Routing Table: 331
LACNIC Region origin ASes announcing only one prefix: 86
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 12243456
Equivalent to 0 /8s, 186 /16s and 210 /24s
Percentage of available LACNIC address space announced: 73.0
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 1119 807 Telstra Pty Ltd
703 405 370 316 UUNET
2907 388 1960 367 SINET Japan
17557 365 26 137 Pakistan Telecom
2764 323 340 290 connect.com.au pty ltd
4134 308 2653 97 Data Communications Bureau
7474 303 275 206 Optus Communications Pty Ltd
4814 263 79 15 China Telecom (Group)
3786 247 772 209 DACOM Corporation
4755 234 133 73 Videsh Sanchar Nigam Ltd. Aut
17676 232 3574 24 XTAGE CORPORATION
9583 216 33 13 Satyam Infoway Ltd.,
4766 206 2074 155 Korea Internet Exchange for "
9443 179 57 77 Primus Telecommunications
9800 166 205 41 CHINA UNICOM
4765 151 10 14 World Net & Services Co., Ltd
9238 138 8 17 TATA ISP
7539 131 165 124 TANet2, sponsored by NSC, TAI
4716 128 733 122 TTnet
4739 128 57 116 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1593 8873 1143 UUNET Technologies, Inc.
7018 1383 7150 957 AT&T
3908 1255 1590 489 Supernet, Inc.
1239 979 3152 691 Sprint
1 664 8088 433 GENUITY
7843 607 411 206 Adelphia Corp.
852 563 1107 442 Telus Advanced Communications
4323 555 474 172 Time Warner Communications, I
4151 535 691 58 USDA
209 533 2092 342 Qwest
18566 513 118 12 Covad Communications
690 500 73 310 Merit Network
3561 499 2304 345 Cable & Wireless USA
6197 497 555 114 BellSouth Network Solutions,
7066 488 204 254 Virginia Polytechnic Institut
2386 478 478 240 AT&T Data Communications Serv
705 449 165 195 UUNET Technologies, Inc.
6198 448 196 199 BellSouth Network Solutions,
3549 401 695 307 Global Crossing
20115 397 171 265 Charter Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 789 2233 652 UUNET - Commercial IP service
3301 315 1142 303 TeliaNet Sweden
3215 314 818 172 France Telecom Transpac
3320 266 1996 229 Deutsche Telekom AG
680 232 2054 229 DFN-IP service G-WiN
1257 219 370 196 SWIPnet Swedish IP Network
5400 219 78 102 BT Ignite European Backbone
719 201 307 124 LANLINK autonomous system
5515 186 779 160 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
8708 150 42 148 Romania Data Systems S.A.
20858 148 17 3 This AS will be used to conne
3303 145 517 144 Swisscom Ltd
8220 126 182 117 COLT Internet - International
12302 122 17 29 MobiFon S.A.
2856 117 1298 107 BTnet UK Regional network
3269 111 751 61 TELECOM ITALIA
3233 108 11 12 RNC - Romanian Natioanal R&D
3246 105 360 102 Song Networks
3352 100 654 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 290 98 105 ImpSat
7303 240 36 49 Telecom Argentina Stet-France
8151 215 341 117 UniNet S.A. de C.V.
11172 161 66 33 Servicios Alestra S.A de C.V
6503 158 191 110 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
11340 110 3 38 Red Universitaria Nacional
10620 107 7 31 TVCABLE BOGOTA
6147 75 62 20 Telefonica Del Peru
1916 74 306 44 Fundacao de Amparo a Pesquisa
11992 74 8 35 Integrated Systems
6535 72 5 23 Chilesat Servicios Empresari
8065 72 6 21 Empresas Publicas de Medellin
15311 71 27 36 Telefonica Empresas
4270 68 18 10 Red de Interconexion Universi
7984 66 11 42 Global One Colombia
7080 64 4 1 Electronica y Comunicaciones
7927 64 5 39 Global One Venezuela
11830 61 5 20 Instituto Costarricense de El
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1255 766 Supernet, Inc.
18566 513 501 Covad Communications
4151 535 477 USDA
7018 1383 426 AT&T
7843 607 401 Adelphia Corp.
4323 555 383 Time Warner Communications, I
6197 497 383 BellSouth Network Solutions,
11492 322 319 Cable One
1221 1103 296 Telstra Pty Ltd
1239 979 288 Sprint
6347 366 287 SAVVIS Communications Corpora
22927 295 281 TELEFONICA DE ARGENTINA
4355 390 278 EarthLink, Inc.
705 449 254 UUNET Technologies, Inc.
6198 448 249 BellSouth Network Solutions,
4814 263 248 China Telecom (Group)
27364 258 240 Armstrong Cable Services
2386 478 238 AT&T Data Communications Serv
7066 488 234 Virginia Polytechnic Institut
1 664 231 GENUITY
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.168.0.0/24 2504 NCA5
Advertised Unregistered 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
192.44.0.0/19 702 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
192.156.164.0/24 19548 Adelphia Business Solutions
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 /8:17 /9:3 /10:8 /11:13 /12:46
/13:89 /14:238 /15:446 /16:7342 /17:1605 /18:2901
/19:8213 /20:8140 /21:5828 /22:8854 /23:10624 /24:67453
/25:169 /26:190 /27:104 /28:76 /29:58 /30:59
/31:4 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 825 1255 Supernet, Inc.
18566 508 513 Covad Communications
702 494 789 UUNET - Commercial IP service
7018 485 1383 AT&T
701 464 1593 UUNET Technologies, Inc.
690 449 500 Merit Network
7066 387 488 Virginia Polytechnic Institut
7843 368 607 Adelphia Corp.
1239 366 979 Sprint
6197 365 497 BellSouth Network Solutions,
6198 358 448 BellSouth Network Solutions,
11492 321 322 Cable One
22927 294 295 TELEFONICA DE ARGENTINA
2386 278 478 AT&T Data Communications Serv
6140 277 290 ImpSat
20115 269 397 Charter Communications
27364 250 258 Armstrong Cable Services
3215 239 314 France Telecom Transpac
7303 239 240 Telecom Argentina Stet-France
209 221 533 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:658 13:1 15:4 17:2 20:9 24:910
25:1 32:90 34:1 38:60 40:18 44:2
55:1 57:15 61:452 62:499 63:1931 64:1413
65:1908 66:1517 67:219 68:295 69:54 80:332
81:99 128:148 129:224 130:41 131:83 132:11
133:11 134:146 135:4 136:114 137:117 138:107
139:73 140:141 141:124 142:94 143:47 144:91
145:18 146:263 147:86 148:272 149:72 150:44
151:110 152:251 153:51 154:2 155:108 156:43
157:44 158:124 159:139 160:35 161:60 162:136
163:86 164:303 165:142 166:79 167:320 168:394
169:55 170:312 171:9 192:5287 193:2393 194:2002
195:982 196:474 198:3597 199:3215 200:2894 202:3659
203:5095 204:3063 205:2027 206:2417 207:2422 208:2686
209:2795 210:744 211:335 212:964 213:765 214:21
215:21 216:3233 217:593 218:82 219:10 220:52
End of report
