[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 Fri 21 Mar, 2003
Analysis Summary
----------------
BGP routing table entries examined: 123236
Prefixes after maximum aggregation: 77940
Unique aggregates announced to Internet: 59064
Total ASes present in the Internet Routing Table: 14837
Origin-only ASes present in the Internet Routing Table: 12868
Origin ASes announcing only one prefix: 5825
Transit ASes present in the Internet Routing Table: 1969
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 12
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 19
Number of addresses announced to Internet: 1218239013
Equivalent to 72 /8s, 156 /16s and 218 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 59.2
Percentage of available address space allocated: 55.5
Total number of prefixes smaller than registry allocations: 57967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20756
Total APNIC prefixes after maximum aggregation: 12161
Prefixes being announced from the APNIC address blocks: 19236
Unique aggregates announced from the APNIC address blocks: 11766
APNIC Region origin ASes present in the Internet Routing Table: 1748
APNIC Region origin ASes announcing only one prefix: 514
APNIC Region transit ASes present in the Internet Routing Table: 294
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 107714240
Equivalent to 6 /8s, 107 /16s and 150 /24s
Percentage of available APNIC address space announced: 57.1
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: 75557
Total ARIN prefixes after maximum aggregation: 47955
Prefixes being announced from the ARIN address blocks: 53780
Unique aggregates announced from the ARIN address blocks: 16836
ARIN Region origin ASes present in the Internet Routing Table: 8240
ARIN Region origin ASes announcing only one prefix: 2796
ARIN Region transit ASes present in the Internet Routing Table: 790
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 187831616
Equivalent to 11 /8s, 50 /16s and 21 /24s
Percentage of available ARIN address space announced: 70.0
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
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: 21629
Total RIPE prefixes after maximum aggregation: 15615
Prefixes being announced from the RIPE address blocks: 18165
Unique aggregates announced from the RIPE address blocks: 11851
RIPE Region origin ASes present in the Internet Routing Table: 4455
RIPE Region origin ASes announcing only one prefix: 2430
RIPE Region transit ASes present in the Internet Routing Table: 806
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 128171264
Equivalent to 7 /8s, 163 /16s and 189 /24s
Percentage of available RIPE address space announced: 76.4
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: 5283
Total LACNIC prefixes after maximum aggregation: 2209
Prefixes being announced from the LACNIC address blocks: 4667
Unique aggregates announced from the LACNIC address blocks: 2925
LACNIC Region origin ASes present in the Internet Routing Table: 330
LACNIC Region origin ASes announcing only one prefix: 85
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 12364288
Equivalent to 0 /8s, 188 /16s and 170 /24s
Percentage of available LACNIC address space announced: 73.7
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 1102 1106 806 Telstra Pty Ltd
703 406 370 314 UUNET
2907 392 1992 369 SINET Japan
17557 373 27 139 Pakistan Telecom
2764 323 340 290 connect.com.au pty ltd
4134 309 2660 101 Data Communications Bureau
7474 307 276 208 Optus Communications Pty Ltd
4814 264 79 15 China Telecom (Group)
3786 250 772 212 DACOM Corporation
17676 235 3614 26 XTAGE CORPORATION
4755 229 135 74 Videsh Sanchar Nigam Ltd. Aut
9583 215 33 14 Satyam Infoway Ltd.,
4766 206 2074 155 Korea Internet Exchange for "
9443 178 57 77 Primus Telecommunications
9800 167 205 42 CHINA UNICOM
4765 152 10 14 World Net & Services Co., Ltd
9238 134 8 17 TATA ISP
4716 128 717 122 TTnet
4739 128 57 116 Commerical Internet eXchange
9768 125 384 64 Korea Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1579 8828 1130 UUNET Technologies, Inc.
7018 1360 7127 944 AT&T
3908 1251 1588 481 Supernet, Inc.
1239 982 3153 696 Sprint
1 708 8071 427 GENUITY
7843 621 417 186 Adelphia Corp.
3561 591 2352 344 Cable & Wireless USA
4323 556 490 172 Time Warner Communications, I
852 553 1107 435 Telus Advanced Communications
4151 541 691 60 USDA
18566 539 121 12 Covad Communications
209 535 2091 340 Qwest
690 503 73 313 Merit Network
2386 495 480 246 AT&T Data Communications Serv
7066 490 204 254 Virginia Polytechnic Institut
6197 481 562 114 BellSouth Network Solutions,
6198 449 197 196 BellSouth Network Solutions,
705 447 166 193 UUNET Technologies, Inc.
20115 408 168 265 Charter Communications
3549 405 695 309 Global Crossing
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 782 2236 647 UUNET - Commercial IP service
8372 343 67 30 COLT Internet UK Access Netwo
3301 312 1174 302 TeliaNet Sweden
3215 310 835 174 France Telecom Transpac
3320 267 1996 230 Deutsche Telekom AG
680 232 2054 229 DFN-IP service G-WiN
1257 217 344 191 SWIPnet Swedish IP Network
5400 217 77 103 BT Ignite European Backbone
719 202 307 125 LANLINK autonomous system
5515 186 779 160 Sonera Solution Autonomous Sy
786 178 1858 178 The JANET IP Service
8708 153 42 150 Romania Data Systems S.A.
20858 151 17 3 This AS will be used to conne
3303 145 517 144 Swisscom Ltd
8220 133 211 124 COLT Internet - International
12302 123 18 30 MobiFon S.A.
2856 118 1298 108 BTnet UK Regional network
3269 112 753 62 TELECOM ITALIA
3233 107 11 12 RNC - Romanian Natioanal R&D
3246 105 360 102 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 292 98 106 ImpSat
7303 242 36 56 Telecom Argentina Stet-France
8151 213 341 115 UniNet S.A. de C.V.
11172 165 66 33 Servicios Alestra S.A de C.V
6503 155 191 109 AVANTEL, S.A.
16814 139 9 18 NSS, S.A.
11340 110 3 38 Red Universitaria Nacional
10620 107 7 31 TVCABLE BOGOTA
13999 92 36 8 Mega Cable S.A. de C.V.
6147 76 62 20 Telefonica Del Peru
1916 75 306 45 Fundacao de Amparo a Pesquisa
11992 74 8 35 Integrated Systems
8065 73 6 18 Empresas Publicas de Medellin
6535 72 5 23 Chilesat Servicios Empresari
15311 71 27 36 Telefonica Empresas
4270 69 18 10 Red de Interconexion Universi
7080 64 4 1 Electronica y Comunicaciones
7927 64 5 39 Global One Venezuela
7984 61 11 40 Global One Colombia
7738 59 170 11 Telecomunicacoes da Bahia S.A
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1251 770 Supernet, Inc.
18566 539 527 Covad Communications
4151 541 481 USDA
7843 621 435 Adelphia Corp.
7018 1360 416 AT&T
4323 556 384 Time Warner Communications, I
6197 481 367 BellSouth Network Solutions,
8372 343 313 COLT Internet UK Access Netwo
1221 1102 296 Telstra Pty Ltd
6347 371 291 SAVVIS Communications Corpora
1239 982 286 Sprint
1 708 281 GENUITY
22927 295 281 TELEFONICA DE ARGENTINA
4355 387 273 EarthLink, Inc.
27364 278 260 Armstrong Cable Services
705 447 254 UUNET Technologies, Inc.
6198 449 253 BellSouth Network Solutions,
2386 495 249 AT&T Data Communications Serv
4814 264 249 China Telecom (Group)
3561 591 247 Cable & Wireless USA
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
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
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
192.136.135.0/24 1239 Sprint
192.153.136.0/21 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.158.249.0/24 27319 INTERNET SOFTWARE CONSORTIUM,
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 /8:18 /9:3 /10:8 /11:13 /12:46
/13:89 /14:238 /15:449 /16:7354 /17:1627 /18:2915
/19:8237 /20:8205 /21:5847 /22:8848 /23:10596 /24:67693
/25:252 /26:315 /27:127 /28:117 /29:76 /30:91
/31:4 /32:68
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 819 1251 Supernet, Inc.
18566 534 539 Covad Communications
702 485 782 UUNET - Commercial IP service
7018 471 1360 AT&T
701 459 1579 UUNET Technologies, Inc.
690 452 503 Merit Network
7066 389 490 Virginia Polytechnic Institut
7843 375 621 Adelphia Corp.
1239 374 982 Sprint
6198 358 449 BellSouth Network Solutions,
6197 355 481 BellSouth Network Solutions,
8372 330 343 COLT Internet UK Access Netwo
2386 295 495 AT&T Data Communications Serv
22927 294 295 TELEFONICA DE ARGENTINA
20115 283 408 Charter Communications
6140 279 292 ImpSat
27364 272 278 Armstrong Cable Services
7303 241 242 Telecom Argentina Stet-France
3215 234 310 France Telecom Transpac
209 226 535 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
12:664 13:1 15:4 17:2 20:10 24:803
25:1 32:92 34:1 38:61 40:18 44:2
55:1 57:15 61:453 62:508 63:1926 64:1470
65:1917 66:1574 67:220 68:321 69:64 80:337
81:99 128:149 129:223 130:41 131:83 132:11
133:11 134:147 135:4 136:113 137:116 138:108
139:67 140:146 141:102 142:95 143:46 144:100
145:18 146:265 147:89 148:271 149:74 150:42
151:95 152:249 153:51 154:2 155:108 156:43
157:45 158:123 159:139 160:33 161:60 162:124
163:86 164:304 165:148 166:74 167:319 168:408
169:55 170:310 171:6 192:5266 193:2398 194:1995
195:991 196:477 198:3619 199:3231 200:2895 202:3672
203:5142 204:3060 205:2026 206:2376 207:2423 208:2678
209:2811 210:738 211:326 212:1027 213:848 214:21
215:21 216:3242 217:599 218:81 219:9 220:54
End of report
