[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 24 Jul, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127631
Prefixes after maximum aggregation: 79618
Unique aggregates announced to Internet: 60580
Total ASes present in the Internet Routing Table: 15561
Origin-only ASes present in the Internet Routing Table: 13501
Origin ASes announcing only one prefix: 6116
Transit ASes present in the Internet Routing Table: 2060
Transit-only ASes present in the Internet Routing Table: 68
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: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1205435584
Equivalent to 71 /8s, 217 /16s and 124 /24s
Percentage of available address space announced: 32.5
Percentage of allocated address space announced: 58.1
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56742
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22119
Total APNIC prefixes after maximum aggregation: 12702
Prefixes being announced from the APNIC address blocks: 20576
Unique aggregates announced from the APNIC address blocks: 12471
APNIC Region origin ASes present in the Internet Routing Table: 1869
APNIC Region origin ASes announcing only one prefix: 537
APNIC Region transit ASes present in the Internet Routing Table: 306
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 117870624
Equivalent to 7 /8s, 6 /16s and 144 /24s
Percentage of available APNIC address space announced: 63.5
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: 77703
Total ARIN prefixes after maximum aggregation: 48391
Prefixes being announced from the ARIN address blocks: 55480
Unique aggregates announced from the ARIN address blocks: 16901
ARIN Region origin ASes present in the Internet Routing Table: 8551
ARIN Region origin ASes announcing only one prefix: 2906
ARIN Region transit ASes present in the Internet Routing Table: 816
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 194914336
Equivalent to 11 /8s, 158 /16s and 40 /24s
Percentage of available ARIN address space announced: 72.6
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: 22452
Total RIPE prefixes after maximum aggregation: 16239
Prefixes being announced from the RIPE address blocks: 18944
Unique aggregates announced from the RIPE address blocks: 12555
RIPE Region origin ASes present in the Internet Routing Table: 4732
RIPE Region origin ASes announcing only one prefix: 2581
RIPE Region transit ASes present in the Internet Routing Table: 838
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 133807808
Equivalent to 7 /8s, 249 /16s and 190 /24s
Percentage of available RIPE address space announced: 72.5
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: 5355
Total LACNIC prefixes after maximum aggregation: 2286
Prefixes being announced from the LACNIC address blocks: 4811
Unique aggregates announced from the LACNIC address blocks: 3103
LACNIC Region origin ASes present in the Internet Routing Table: 341
LACNIC Region origin ASes announcing only one prefix: 92
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 12869120
Equivalent to 0 /8s, 196 /16s and 94 /24s
Percentage of available LACNIC address space announced: 38.4
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 1051 1053 742 Telstra Pty Ltd
4755 438 136 71 Videsh Sanchar Nigam Ltd. Aut
2907 373 1880 349 SINET Japan
17557 331 23 144 Pakistan Telecom
703 330 370 263 UUNET
2764 309 326 277 connect.com.au pty ltd
7474 285 306 201 Optus Communications Pty Ltd
17676 250 3862 19 XTAGE CORPORATION
9583 241 37 22 Satyam Infoway Ltd.,
3786 238 777 205 DACOM Corporation
4134 233 2008 113 Data Communications Bureau
4766 223 2476 166 Korea Internet Exchange for "
9800 194 310 55 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
4538 168 1506 21 China Education and Research
9498 167 11 30 BHARTI BT INTERNET LTD.
9929 164 153 33 China Netcom Corp.
4739 141 58 130 Commerical Internet eXchange
9238 139 8 20 TATA ISP
4716 132 745 126 TTnet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1523 8783 1070 UUNET Technologies, Inc.
7018 1349 7166 935 AT&T
1239 961 2999 666 Sprint
3908 899 1550 478 Supernet, Inc.
7132 845 6600 234 Southwestern Bell Internet Se
189 689 372 312 Genuity
18566 632 160 8 Covad Communications
4323 608 510 174 Time Warner Communications, I
7843 600 380 242 Adelphia Corp.
11305 565 172 82 Interland Incorporated
1 548 2378 362 GENUITY
6197 541 368 233 BellSouth Network Solutions,
852 523 1124 416 Telus Advanced Communications
209 520 2191 303 Qwest
7066 487 204 258 Virginia Polytechnic Institut
6198 483 270 181 BellSouth Network Solutions,
705 479 190 303 UUNET Technologies, Inc.
20115 470 195 281 Charter Communications
690 444 64 294 Merit Network
4355 403 338 109 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1008 2157 612 UUNET - Commercial IP service
719 312 307 125 LANLINK autonomous system
3301 292 1169 280 TeliaNet Sweden
3320 269 2004 230 Deutsche Telekom AG
680 232 2053 229 DFN-IP service G-WiN
8220 232 402 220 COLT Internet - International
1257 227 309 185 SWIPnet Swedish IP Network
3215 219 752 122 France Telecom Transpac
5400 200 158 117 BT Ignite European Backbone
5515 186 795 150 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
8708 150 108 147 Romania Data Systems S.A.
3303 143 548 140 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
2856 125 1315 116 BTnet UK Regional network
3246 121 374 119 Song Networks
3269 117 821 64 TELECOM ITALIA
3352 111 796 32 Ibernet, Internet Access Netw
5511 98 179 75 France Telecom
2647 97 4129 41 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 297 98 106 ImpSat
7303 238 38 57 Telecom Argentina Stet-France
8151 218 334 115 UniNet S.A. de C.V.
11172 177 69 42 Servicios Alestra S.A de C.V
16814 135 9 17 NSS, S.A.
6503 134 205 94 AVANTEL, S.A.
11340 132 3 46 Red Universitaria Nacional
10620 120 8 33 TVCABLE BOGOTA
6147 95 70 21 Telefonica Del Peru
11992 88 8 37 Integrated Systems
8065 80 9 16 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 74 14 38 Telefonica Empresas
1916 73 306 43 Fundacao de Amparo a Pesquisa
11830 70 5 32 Instituto Costarricense de El
13999 67 36 8 Mega Cable S.A. de C.V.
4270 66 18 9 Red de Interconexion Universi
7927 65 6 39 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 60 12 40 Global One Colombia
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 632 624 Covad Communications
7132 845 611 Southwestern Bell Internet Se
11305 565 483 Interland Incorporated
4323 608 434 Time Warner Communications, I
3908 899 421 Supernet, Inc.
7018 1349 414 AT&T
702 1008 396 UUNET - Commercial IP service
189 689 377 Genuity
4755 438 367 Videsh Sanchar Nigam Ltd. Aut
7843 600 358 Adelphia Corp.
1221 1051 309 Telstra Pty Ltd
6197 541 308 BellSouth Network Solutions,
6198 483 302 BellSouth Network Solutions,
27364 317 298 Armstrong Cable Services
1239 961 295 Sprint
4355 403 294 EarthLink, Inc.
6347 355 272 SAVVIS Communications Corpora
22909 280 266 Comcast Cable Corporation
25844 258 256 Skadden, Arps, Slate, Meagher
376 358 243 Reseau Interordinateurs Scien
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
65503 PRIVATE 199.0.192.0/20 13490 Access Toledo, LTD.
18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
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
192.119.135.0/24 270 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
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:13 /12:54
/13:97 /14:261 /15:477 /16:7421 /17:1732 /18:3063
/19:8637 /20:8645 /21:6307 /22:9226 /23:10806 /24:70080
/25:179 /26:297 /27:196 /28:39 /29:24 /30:21
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 702 1008 UUNET - Commercial IP service
18566 626 632 Covad Communications
189 609 689 Genuity
3908 572 899 Supernet, Inc.
11305 491 565 Interland Incorporated
7018 473 1349 AT&T
701 433 1523 UUNET Technologies, Inc.
6197 412 541 BellSouth Network Solutions,
690 403 444 Merit Network
7066 385 487 Virginia Polytechnic Institut
6198 377 483 BellSouth Network Solutions,
1239 360 961 Sprint
7843 344 600 Adelphia Corp.
20115 321 470 Charter Communications
27364 311 317 Armstrong Cable Services
25844 258 258 Skadden, Arps, Slate, Meagher
4355 216 403 EarthLink, Inc.
1 212 548 GENUITY
3320 210 269 Deutsche Telekom AG
209 205 520 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:701 13:1 15:4 16:1 17:3
20:6 24:873 25:1 32:99 38:39 40:23
44:2 57:15 61:281 62:376 63:1881 64:1800
65:1979 66:2601 67:206 68:380 69:237 80:395
81:118 82:4 128:131 129:225 130:60 131:79
132:14 134:175 135:7 136:122 137:117 138:120
139:42 140:157 141:115 142:94 143:45 144:98
145:13 146:277 147:62 148:293 149:62 150:104
151:63 152:227 153:98 154:3 155:119 156:56
157:48 158:122 159:137 160:45 161:75 162:372
163:79 164:320 165:139 166:97 167:318 168:179
169:87 170:317 171:8 192:5340 193:2581 194:1987
195:1148 196:473 198:3573 199:2723 200:2971 202:3924
203:5274 204:2968 205:2048 206:2312 207:2414 208:2599
209:2865 210:868 211:362 212:1027 213:873 214:16
215:22 216:3419 217:681 218:95 219:62 220:98
221:8
End of report
