[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 Tue 26 Aug, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127729
Prefixes after maximum aggregation: 79903
Unique aggregates announced to Internet: 61135
Total ASes present in the Internet Routing Table: 15733
Origin-only ASes present in the Internet Routing Table: 13639
Origin ASes announcing only one prefix: 6218
Transit ASes present in the Internet Routing Table: 2094
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: 26
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1239425376
Equivalent to 73 /8s, 224 /16s and 33 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56868
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22316
Total APNIC prefixes after maximum aggregation: 12689
Prefixes being announced from the APNIC address blocks: 20737
Unique aggregates announced from the APNIC address blocks: 12390
APNIC Region origin ASes present in the Internet Routing Table: 1889
APNIC Region origin ASes announcing only one prefix: 547
APNIC Region transit ASes present in the Internet Routing Table: 315
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 120836736
Equivalent to 7 /8s, 51 /16s and 210 /24s
Percentage of available APNIC address space announced: 65.1
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: 77750
Total ARIN prefixes after maximum aggregation: 48531
Prefixes being announced from the ARIN address blocks: 55508
Unique aggregates announced from the ARIN address blocks: 17160
ARIN Region origin ASes present in the Internet Routing Table: 8616
ARIN Region origin ASes announcing only one prefix: 2954
ARIN Region transit ASes present in the Internet Routing Table: 827
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 195986688
Equivalent to 11 /8s, 174 /16s and 133 /24s
Percentage of available ARIN address space announced: 73.0
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: 22316
Total RIPE prefixes after maximum aggregation: 16392
Prefixes being announced from the RIPE address blocks: 18914
Unique aggregates announced from the RIPE address blocks: 12715
RIPE Region origin ASes present in the Internet Routing Table: 4812
RIPE Region origin ASes announcing only one prefix: 2619
RIPE Region transit ASes present in the Internet Routing Table: 851
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 134868032
Equivalent to 8 /8s, 9 /16s and 236 /24s
Percentage of available RIPE address space announced: 73.1
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: 5346
Total LACNIC prefixes after maximum aggregation: 2291
Prefixes being announced from the LACNIC address blocks: 4796
Unique aggregates announced from the LACNIC address blocks: 3135
LACNIC Region origin ASes present in the Internet Routing Table: 347
LACNIC Region origin ASes announcing only one prefix: 98
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13045248
Equivalent to 0 /8s, 199 /16s and 14 /24s
Percentage of available LACNIC address space announced: 38.9
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 1036 1037 726 Telstra Pty Ltd
4755 405 135 73 Videsh Sanchar Nigam Ltd. Aut
2907 374 1911 349 SINET Japan
703 341 372 273 UUNET
4134 333 2220 112 Data Communications Bureau
17557 306 26 137 Pakistan Telecom
2764 301 323 269 connect.com.au pty ltd
7474 264 307 204 Optus Communications Pty Ltd
17676 253 3894 22 XTAGE CORPORATION
9583 242 37 21 Satyam Infoway Ltd.,
4766 239 2461 171 Korea Internet Exchange for "
3786 237 773 203 DACOM Corporation
9800 199 326 57 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
9498 173 15 32 BHARTI BT INTERNET LTD.
4538 170 1538 21 China Education and Research
9929 170 155 34 China Netcom Corp.
17642 158 41 119 RequestDSL BGP AS# for Sydney
9942 156 69 101 COMindico Australia
9238 140 9 21 TATA ISP
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1486 8786 1044 UUNET Technologies, Inc.
7018 1374 7156 975 AT&T
3908 921 1589 496 Supernet, Inc.
1239 887 3031 633 Sprint
189 673 451 332 Genuity
18566 665 160 8 Covad Communications
4323 624 551 179 Time Warner Communications, I
6197 569 387 244 BellSouth Network Solutions,
7843 551 410 189 Adelphia Corp.
852 523 1124 415 Telus Advanced Communications
209 518 2145 297 Qwest
6198 513 277 197 BellSouth Network Solutions,
7066 490 205 262 Virginia Polytechnic Institut
705 483 192 302 UUNET Technologies, Inc.
3356 478 10661 398 Level 3 Communications, LLC
20115 476 198 287 Charter Communications
1 475 1077 307 GENUITY
7132 410 6608 240 Southwestern Bell Internet Se
690 408 59 275 Merit Network
4355 406 340 111 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 737 2141 612 UUNET - Commercial IP service
3301 289 1168 277 TeliaNet Sweden
3320 264 1987 224 Deutsche Telekom AG
8220 243 431 232 COLT Internet - International
1257 242 312 191 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
3215 214 752 121 France Telecom Transpac
719 196 307 125 LANLINK autonomous system
5515 185 779 148 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
5400 179 175 131 BT Ignite European Backbone
8708 159 111 155 Romania Data Systems S.A.
3303 140 540 137 Swisscom Ltd
12302 126 18 33 MobiFon S.A.
3246 121 360 119 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 112 1295 103 BTnet UK Regional network
3352 111 812 33 Ibernet, Internet Access Netw
2647 101 4129 45 SITA
6746 88 12 75 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 317 103 114 ImpSat
7303 236 39 55 Telecom Argentina Stet-France
8151 222 334 116 UniNet S.A. de C.V.
11172 178 77 43 Servicios Alestra S.A de C.V
16814 152 10 18 NSS, S.A.
6503 133 205 94 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 107 3 38 Red Universitaria Nacional
11992 88 8 38 Integrated Systems
6147 84 70 21 Telefonica Del Peru
8065 80 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 75 14 38 Telefonica Empresas
1916 73 306 43 Fundacao de Amparo a Pesquisa
11830 73 6 29 Instituto Costarricense de El
4270 68 18 9 Red de Interconexion Universi
7927 65 6 39 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
7984 59 12 40 Global One Colombia
13999 56 36 8 Mega Cable S.A. de C.V.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 665 657 Covad Communications
4323 624 445 Time Warner Communications, I
3908 921 425 Supernet, Inc.
7018 1374 399 AT&T
7843 551 362 Adelphia Corp.
189 673 341 Genuity
4755 405 332 Videsh Sanchar Nigam Ltd. Aut
6197 569 325 BellSouth Network Solutions,
11305 358 320 Interland Incorporated
6198 513 316 BellSouth Network Solutions,
1221 1036 310 Telstra Pty Ltd
4355 406 295 EarthLink, Inc.
27364 317 294 Armstrong Cable Services
6347 359 280 SAVVIS Communications Corpora
22909 286 269 Comcast Cable Corporation
25844 257 255 Skadden, Arps, Slate, Meagher
1239 887 254 Sprint
376 358 243 Reseau Interordinateurs Scien
17676 253 231 XTAGE CORPORATION
7066 490 228 Virginia Polytechnic Institut
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
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
192.228.80.0/24 30122 INTERNET SOFTWARE CONSORTIUM,
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:4 /10:6 /11:12 /12:55
/13:98 /14:262 /15:474 /16:7407 /17:1739 /18:3081
/19:8424 /20:8719 /21:6369 /22:9441 /23:10905 /24:70061
/25:166 /26:221 /27:152 /28:26 /29:13 /30:48
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 659 665 Covad Communications
189 587 673 Genuity
3908 581 921 Supernet, Inc.
7018 477 1374 AT&T
702 449 737 UUNET - Commercial IP service
701 444 1486 UUNET Technologies, Inc.
6197 434 569 BellSouth Network Solutions,
6198 405 513 BellSouth Network Solutions,
7066 386 490 Virginia Polytechnic Institut
690 368 408 Merit Network
20115 324 476 Charter Communications
27364 311 317 Armstrong Cable Services
1239 301 887 Sprint
10753 298 312 XCOM Technologies, INC.
11305 281 358 Interland Incorporated
7843 275 551 Adelphia Corp.
25844 257 257 Skadden, Arps, Slate, Meagher
4355 217 406 EarthLink, Inc.
209 211 518 Qwest
705 207 483 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:701 13:1 15:4 16:1 17:3
20:6 24:848 25:1 32:85 38:45 40:23
44:2 55:1 57:14 61:283 62:381 63:1857
64:1762 65:2003 66:2687 67:251 68:394 69:251
80:401 81:125 82:11 128:159 129:171 130:61
131:82 132:13 134:167 135:7 136:185 137:118
138:121 139:45 140:142 141:118 142:100 143:45
144:89 145:13 146:275 147:61 148:302 149:73
150:120 151:68 152:218 153:57 154:4 155:124
156:69 157:48 158:119 159:135 160:45 161:75
162:409 163:78 164:314 165:141 166:100 167:313
168:182 169:95 170:323 171:9 192:5296 193:2467
194:1971 195:1187 196:473 198:3586 199:2734 200:2951
202:3946 203:5268 204:2988 205:2040 206:2340 207:2496
208:2540 209:2841 210:897 211:300 212:978 213:921
214:16 215:22 216:3295 217:688 218:98 219:74
220:102 221:10
End of report
