[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 29 Jul, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127640
Prefixes after maximum aggregation: 79566
Unique aggregates announced to Internet: 59979
Total ASes present in the Internet Routing Table: 15579
Origin-only ASes present in the Internet Routing Table: 13513
Origin ASes announcing only one prefix: 6128
Transit ASes present in the Internet Routing Table: 2066
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 27
Illegal AS announcements present in the Routing Table: 1
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1220151488
Equivalent to 72 /8s, 186 /16s and 8 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56729
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22078
Total APNIC prefixes after maximum aggregation: 12662
Prefixes being announced from the APNIC address blocks: 20491
Unique aggregates announced from the APNIC address blocks: 12423
APNIC Region origin ASes present in the Internet Routing Table: 1870
APNIC Region origin ASes announcing only one prefix: 543
APNIC Region transit ASes present in the Internet Routing Table: 303
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 117845920
Equivalent to 7 /8s, 6 /16s and 47 /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: 77680
Total ARIN prefixes after maximum aggregation: 48370
Prefixes being announced from the ARIN address blocks: 55386
Unique aggregates announced from the ARIN address blocks: 16317
ARIN Region origin ASes present in the Internet Routing Table: 8553
ARIN Region origin ASes announcing only one prefix: 2897
ARIN Region transit ASes present in the Internet Routing Table: 822
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 196231200
Equivalent to 11 /8s, 178 /16s and 64 /24s
Percentage of available ARIN address space announced: 73.1
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, 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: 22487
Total RIPE prefixes after maximum aggregation: 16246
Prefixes being announced from the RIPE address blocks: 18992
Unique aggregates announced from the RIPE address blocks: 12564
RIPE Region origin ASes present in the Internet Routing Table: 4746
RIPE Region origin ASes announcing only one prefix: 2596
RIPE Region transit ASes present in the Internet Routing Table: 837
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 133996992
Equivalent to 7 /8s, 252 /16s and 161 /24s
Percentage of available RIPE address space announced: 72.6
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: 5394
Total LACNIC prefixes after maximum aggregation: 2288
Prefixes being announced from the LACNIC address blocks: 4843
Unique aggregates announced from the LACNIC address blocks: 3123
LACNIC Region origin ASes present in the Internet Routing Table: 342
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: 5.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 12892416
Equivalent to 0 /8s, 196 /16s and 185 /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 1049 1053 739 Telstra Pty Ltd
4755 436 136 69 Videsh Sanchar Nigam Ltd. Aut
2907 375 1911 350 SINET Japan
17557 337 23 143 Pakistan Telecom
703 330 370 263 UUNET
2764 307 326 275 connect.com.au pty ltd
7474 257 306 200 Optus Communications Pty Ltd
17676 250 3862 19 XTAGE CORPORATION
9583 240 37 22 Satyam Infoway Ltd.,
3786 238 777 205 DACOM Corporation
4134 233 2008 113 Data Communications Bureau
4766 223 2460 166 Korea Internet Exchange for "
9800 195 314 56 CHINA UNICOM
9443 182 58 82 Primus Telecommunications
4538 169 1506 21 China Education and Research
9929 169 153 33 China Netcom Corp.
9498 147 10 29 BHARTI BT INTERNET LTD.
4739 141 58 130 Commerical Internet eXchange
9238 139 8 20 TATA ISP
4716 131 745 125 TTnet
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1496 8781 1057 UUNET Technologies, Inc.
7018 1350 7150 938 AT&T
1239 964 2998 666 Sprint
3908 903 1550 482 Supernet, Inc.
7132 848 6604 236 Southwestern Bell Internet Se
189 689 372 312 Genuity
18566 641 160 8 Covad Communications
4323 610 526 177 Time Warner Communications, I
7843 599 391 237 Adelphia Corp.
6197 553 439 198 BellSouth Network Solutions,
1 540 1326 369 GENUITY
209 522 2192 303 Qwest
852 522 1124 416 Telus Advanced Communications
7066 489 204 258 Virginia Polytechnic Institut
6198 486 270 183 BellSouth Network Solutions,
705 480 190 304 UUNET Technologies, Inc.
20115 470 195 281 Charter Communications
690 442 64 292 Merit Network
4355 403 338 109 EarthLink, Inc.
2386 398 541 228 AT&T Data Communications Serv
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 1010 2141 611 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 213 736 120 France Telecom Transpac
5400 197 158 117 BT Ignite European Backbone
5515 186 795 150 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
8708 154 108 151 Romania Data Systems S.A.
3303 142 548 139 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 99 179 76 France Telecom
2647 98 4129 41 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 297 98 106 ImpSat
7303 240 39 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
11340 139 4 49 Red Universitaria Nacional
16814 135 9 17 NSS, S.A.
6503 134 205 94 AVANTEL, S.A.
10620 121 8 33 TVCABLE BOGOTA
6147 93 70 21 Telefonica Del Peru
11992 90 9 38 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 641 633 Covad Communications
7132 848 612 Southwestern Bell Internet Se
4323 610 433 Time Warner Communications, I
3908 903 421 Supernet, Inc.
7018 1350 412 AT&T
702 1010 399 UUNET - Commercial IP service
189 689 377 Genuity
4755 436 367 Videsh Sanchar Nigam Ltd. Aut
7843 599 362 Adelphia Corp.
6197 553 355 BellSouth Network Solutions,
11305 358 320 Interland Incorporated
1221 1049 310 Telstra Pty Ltd
6198 486 303 BellSouth Network Solutions,
1239 964 298 Sprint
27364 317 298 Armstrong Cable Services
4355 403 294 EarthLink, Inc.
6347 357 276 SAVVIS Communications Corpora
22909 282 268 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
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 /8:18 /9:5 /10:8 /11:13 /12:54
/13:97 /14:260 /15:477 /16:7424 /17:1738 /18:3072
/19:8647 /20:8668 /21:6315 /22:9277 /23:10836 /24:69969
/25:177 /26:292 /27:183 /28:27 /29:10 /30:46
/31:0 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
702 705 1010 UUNET - Commercial IP service
18566 635 641 Covad Communications
189 609 689 Genuity
3908 575 903 Supernet, Inc.
7018 471 1350 AT&T
701 437 1496 UUNET Technologies, Inc.
6197 420 553 BellSouth Network Solutions,
690 401 442 Merit Network
7066 387 489 Virginia Polytechnic Institut
6198 380 486 BellSouth Network Solutions,
1239 361 964 Sprint
7843 336 599 Adelphia Corp.
20115 321 470 Charter Communications
27364 311 317 Armstrong Cable Services
11305 281 358 Interland Incorporated
25844 258 258 Skadden, Arps, Slate, Meagher
4355 216 403 EarthLink, Inc.
1 211 540 GENUITY
3320 210 269 Deutsche Telekom AG
209 209 522 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:705 13:1 15:4 16:1 17:3
20:6 24:873 25:1 32:98 38:42 40:22
44:2 57:16 61:277 62:376 63:1885 64:1721
65:1986 66:2624 67:211 68:384 69:236 80:392
81:118 82:6 128:132 129:226 130:59 131:81
132:14 134:175 135:7 136:122 137:117 138:120
139:44 140:157 141:115 142:94 143:45 144:100
145:13 146:280 147:59 148:295 149:64 150:105
151:63 152:226 153:97 154:3 155:119 156:56
157:48 158:123 159:136 160:45 161:75 162:410
163:79 164:322 165:142 166:97 167:319 168:181
169:88 170:321 171:8 192:5339 193:2583 194:1991
195:1150 196:471 198:3564 199:2723 200:2997 202:3896
203:5269 204:2960 205:2034 206:2321 207:2426 208:2595
209:2874 210:866 211:361 212:1027 213:891 214:16
215:22 216:3268 217:688 218:96 219:67 220:92
221:8
End of report
