[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 Mon 12 May, 2003
Analysis Summary
----------------
BGP routing table entries examined: 124640
Prefixes after maximum aggregation: 78107
Unique aggregates announced to Internet: 59194
Total ASes present in the Internet Routing Table: 15136
Origin-only ASes present in the Internet Routing Table: 13106
Origin ASes announcing only one prefix: 5975
Transit ASes present in the Internet Routing Table: 2030
Transit-only ASes present in the Internet Routing Table: 78
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: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 18
Number of addresses announced to Internet: 1229458304
Equivalent to 73 /8s, 72 /16s and 11 /24s
Percentage of available address space announced: 33.2
Percentage of allocated address space announced: 59.3
Percentage of available address space allocated: 55.9
Total number of prefixes smaller than registry allocations: 53849
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 21195
Total APNIC prefixes after maximum aggregation: 12346
Prefixes being announced from the APNIC address blocks: 19671
Unique aggregates announced from the APNIC address blocks: 12015
APNIC Region origin ASes present in the Internet Routing Table: 1794
APNIC Region origin ASes announcing only one prefix: 522
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: 18
Number of APNIC addresses announced to Internet: 113095904
Equivalent to 6 /8s, 189 /16s and 180 /24s
Percentage of available APNIC address space announced: 60.9
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: 76521
Total ARIN prefixes after maximum aggregation: 47702
Prefixes being announced from the ARIN address blocks: 55445
Unique aggregates announced from the ARIN address blocks: 16483
ARIN Region origin ASes present in the Internet Routing Table: 8357
ARIN Region origin ASes announcing only one prefix: 2873
ARIN Region transit ASes present in the Internet Routing Table: 804
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 191658496
Equivalent to 11 /8s, 108 /16s and 122 /24s
Percentage of available ARIN address space announced: 71.4
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: 21662
Total RIPE prefixes after maximum aggregation: 15848
Prefixes being announced from the RIPE address blocks: 18161
Unique aggregates announced from the RIPE address blocks: 12063
RIPE Region origin ASes present in the Internet Routing Table: 4576
RIPE Region origin ASes announcing only one prefix: 2492
RIPE Region transit ASes present in the Internet Routing Table: 824
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 130143616
Equivalent to 7 /8s, 193 /16s and 213 /24s
Percentage of available RIPE address space announced: 70.5
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: 5260
Total LACNIC prefixes after maximum aggregation: 2211
Prefixes being announced from the LACNIC address blocks: 4750
Unique aggregates announced from the LACNIC address blocks: 3022
LACNIC Region origin ASes present in the Internet Routing Table: 331
LACNIC Region origin ASes announcing only one prefix: 88
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 12569856
Equivalent to 0 /8s, 191 /16s and 205 /24s
Percentage of available LACNIC address space announced: 37.5
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 1083 1103 772 Telstra Pty Ltd
4755 412 133 71 Videsh Sanchar Nigam Ltd. Aut
2907 388 1993 365 SINET Japan
703 379 382 303 UUNET
17557 365 26 146 Pakistan Telecom
2764 314 341 280 connect.com.au pty ltd
4814 294 85 21 China Telecom (Group)
7474 270 291 206 Optus Communications Pty Ltd
17676 247 3814 19 XTAGE CORPORATION
3786 242 773 209 DACOM Corporation
4134 225 2034 117 Data Communications Bureau
9583 221 33 15 Satyam Infoway Ltd.,
4766 214 2475 160 Korea Internet Exchange for "
9443 183 58 82 Primus Telecommunications
9800 179 259 57 CHINA UNICOM
9238 139 8 17 TATA ISP
4739 136 57 125 Commerical Internet eXchange
9498 133 9 19 BHARTI BT INTERNET LTD.
4716 126 729 120 TTnet
9768 126 384 64 Korea Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1564 8920 1102 UUNET Technologies, Inc.
7018 1326 7151 919 AT&T
4151 1102 691 60 USDA
7132 964 6476 208 Southwestern Bell Internet Se
1239 932 3009 657 Sprint
3908 917 1571 472 Supernet, Inc.
189 704 341 287 Genuity
1 678 2698 464 GENUITY
7843 639 345 168 Adelphia Corp.
4323 588 514 169 Time Warner Communications, I
18566 576 160 8 Covad Communications
2386 564 483 273 AT&T Data Communications Serv
852 550 1156 431 Telus Advanced Communications
705 532 287 236 UUNET Technologies, Inc.
3561 506 2339 328 Cable & Wireless USA
209 490 2105 296 Qwest
6197 483 340 193 BellSouth Network Solutions,
690 482 69 315 Merit Network
20115 472 193 286 Charter Communications
6198 464 229 176 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 758 2172 639 UUNET - Commercial IP service
3320 347 2004 229 Deutsche Telekom AG
3301 306 1157 296 TeliaNet Sweden
3215 303 852 174 France Telecom Transpac
680 232 2053 229 DFN-IP service G-WiN
1257 226 327 188 SWIPnet Swedish IP Network
5400 202 112 113 BT Ignite European Backbone
8220 201 366 190 COLT Internet - International
719 193 307 125 LANLINK autonomous system
5515 189 795 153 Sonera Solution Autonomous Sy
786 179 1874 179 The JANET IP Service
20858 165 17 3 This AS will be used to conne
8708 157 44 151 Romania Data Systems S.A.
3303 141 517 140 Swisscom Ltd
12302 128 18 35 MobiFon S.A.
2856 123 1299 113 BTnet UK Regional network
3269 114 787 62 TELECOM ITALIA
3246 109 383 106 Song Networks
3352 107 748 30 Ibernet, Internet Access Netw
2874 97 85 38 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 291 98 105 ImpSat
7303 255 36 64 Telecom Argentina Stet-France
8151 220 335 122 UniNet S.A. de C.V.
11172 166 66 36 Servicios Alestra S.A de C.V
6503 139 205 99 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
10620 113 7 33 TVCABLE BOGOTA
6147 91 62 20 Telefonica Del Peru
11992 87 8 36 Integrated Systems
8065 74 8 16 Empresas Publicas de Medellin
13999 74 36 8 Mega Cable S.A. de C.V.
1916 73 306 43 Fundacao de Amparo a Pesquisa
6535 73 5 22 Chilesat Servicios Empresari
15311 72 28 36 Telefonica Empresas
4270 71 18 10 Red de Interconexion Universi
11830 66 4 27 Instituto Costarricense de El
7080 64 4 1 Electronica y Comunicaciones
7927 64 5 39 Global One Venezuela
7984 61 11 41 Global One Colombia
15034 59 5 31 TIBA SA
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4151 1102 1042 USDA
7132 964 756 Southwestern Bell Internet Se
18566 576 568 Covad Communications
7843 639 471 Adelphia Corp.
3908 917 445 Supernet, Inc.
4323 588 419 Time Warner Communications, I
189 704 417 Genuity
7018 1326 407 AT&T
4755 412 341 Videsh Sanchar Nigam Ltd. Aut
1221 1083 311 Telstra Pty Ltd
705 532 296 UUNET Technologies, Inc.
2386 564 291 AT&T Data Communications Serv
6197 483 290 BellSouth Network Solutions,
4355 393 289 EarthLink, Inc.
6347 368 289 SAVVIS Communications Corpora
6198 464 288 BellSouth Network Solutions,
22927 298 285 TELEFONICA DE ARGENTINA
1239 932 275 Sprint
4814 294 273 China Telecom (Group)
11305 336 260 Interland Incorporated
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
64512 PRIVATE 194.67.54.0/24 3216 Teleross, Moscow, Ru
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.16.52.0/24 1239 Sprint
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
192.158.254.0/24 705 UUNET Technologies, Inc.
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 /12:51
/13:93 /14:253 /15:468 /16:7406 /17:1677 /18:2962
/19:8379 /20:8369 /21:5980 /22:8920 /23:10571 /24:69077
/25:121 /26:157 /27:34 /28:23 /29:13 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
189 627 704 Genuity
3908 573 917 Supernet, Inc.
18566 570 576 Covad Communications
702 466 758 UUNET - Commercial IP service
7018 464 1326 AT&T
701 433 1564 UUNET Technologies, Inc.
690 431 482 Merit Network
7843 402 639 Adelphia Corp.
6198 363 464 BellSouth Network Solutions,
6197 360 483 BellSouth Network Solutions,
1239 352 932 Sprint
2386 346 564 AT&T Data Communications Serv
20115 334 472 Charter Communications
11305 312 336 Interland Incorporated
3320 290 347 Deutsche Telekom AG
4814 280 294 China Telecom (Group)
27364 263 270 Armstrong Cable Services
1 249 678 GENUITY
22927 236 298 TELEFONICA DE ARGENTINA
3215 226 303 France Telecom Transpac
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:695 13:1 15:4 16:1 17:3 20:8
24:795 25:1 32:87 38:122 40:19 44:2
55:1 57:16 61:446 62:579 63:1864 64:1646
65:1910 66:2412 67:182 68:366 69:125 80:364
81:149 128:93 129:172 130:42 131:78 132:11
133:1 134:117 135:3 136:29 137:108 138:59
139:65 140:132 141:110 142:88 143:44 144:102
145:17 146:256 147:95 148:280 149:71 150:44
151:76 152:243 153:57 154:2 155:108 156:46
157:36 158:126 159:147 160:37 161:73 162:140
163:76 164:117 165:134 166:95 167:334 168:405
169:62 170:305 171:7 192:5233 193:2422 194:1976
195:1045 196:460 198:3476 199:3750 200:2956 202:3748
203:5155 204:3035 205:2050 206:2373 207:2400 208:2618
209:2862 210:775 211:325 212:939 213:790 214:20
215:23 216:3382 217:615 218:90 219:23 220:95
End of report
