[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 11 Sep, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127805
Prefixes after maximum aggregation: 80154
Unique aggregates announced to Internet: 61808
Total ASes present in the Internet Routing Table: 15807
Origin-only ASes present in the Internet Routing Table: 13691
Origin ASes announcing only one prefix: 6222
Transit ASes present in the Internet Routing Table: 2116
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 26
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: 1242663712
Equivalent to 74 /8s, 17 /16s and 139 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56703
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22418
Total APNIC prefixes after maximum aggregation: 12719
Prefixes being announced from the APNIC address blocks: 20831
Unique aggregates announced from the APNIC address blocks: 12446
APNIC Region origin ASes present in the Internet Routing Table: 1893
APNIC Region origin ASes announcing only one prefix: 540
APNIC Region transit ASes present in the Internet Routing Table: 310
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 121751808
Equivalent to 7 /8s, 65 /16s and 201 /24s
Percentage of available APNIC address space announced: 65.6
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: 77629
Total ARIN prefixes after maximum aggregation: 48694
Prefixes being announced from the ARIN address blocks: 55384
Unique aggregates announced from the ARIN address blocks: 17461
ARIN Region origin ASes present in the Internet Routing Table: 8651
ARIN Region origin ASes announcing only one prefix: 2966
ARIN Region transit ASes present in the Internet Routing Table: 845
Average ARIN Region AS path length visible: 4.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 196959776
Equivalent to 11 /8s, 189 /16s and 94 /24s
Percentage of available ARIN address space announced: 73.4
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: 22332
Total RIPE prefixes after maximum aggregation: 16445
Prefixes being announced from the RIPE address blocks: 18887
Unique aggregates announced from the RIPE address blocks: 12770
RIPE Region origin ASes present in the Internet Routing Table: 4840
RIPE Region origin ASes announcing only one prefix: 2619
RIPE Region transit ASes present in the Internet Routing Table: 860
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 135828544
Equivalent to 8 /8s, 24 /16s and 148 /24s
Percentage of available RIPE address space announced: 73.6
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: 5424
Total LACNIC prefixes after maximum aggregation: 2296
Prefixes being announced from the LACNIC address blocks: 4860
Unique aggregates announced from the LACNIC address blocks: 3105
LACNIC Region origin ASes present in the Internet Routing Table: 348
LACNIC Region origin ASes announcing only one prefix: 97
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13132544
Equivalent to 0 /8s, 200 /16s and 99 /24s
Percentage of available LACNIC address space announced: 39.1
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 981 1124 694 Telstra Pty Ltd
4755 406 119 72 Videsh Sanchar Nigam Ltd. Aut
2907 375 1896 350 SINET Japan
703 334 371 265 UUNET
4134 328 2217 109 Data Communications Bureau
17557 303 22 139 Pakistan Telecom
2764 288 322 257 connect.com.au pty ltd
7474 267 290 208 Optus Communications Pty Ltd
17676 257 3958 21 XTAGE CORPORATION
9583 252 38 23 Satyam Infoway Ltd.,
3786 237 773 203 DACOM Corporation
4766 227 2461 170 Korea Internet Exchange for "
9800 202 331 51 CHINA UNICOM
9443 185 58 82 Primus Telecommunications
9498 182 16 31 BHARTI BT INTERNET LTD.
4538 173 1586 20 China Education and Research
9929 173 159 36 China Netcom Corp.
9942 157 69 101 COMindico Australia
17642 155 40 116 RequestDSL BGP AS# for Sydney
4837 141 1054 87 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1479 8785 1034 UUNET Technologies, Inc.
7018 1395 7124 976 AT&T
3908 924 1573 492 Supernet, Inc.
1239 906 3039 651 Sprint
18566 675 160 8 Covad Communications
189 650 450 341 Genuity
4323 633 552 181 Time Warner Communications, I
6197 613 396 269 BellSouth Network Solutions,
7843 563 438 167 Adelphia Corp.
852 516 1123 410 Telus Advanced Communications
209 510 2129 294 Qwest
6198 495 279 197 BellSouth Network Solutions,
7066 492 205 263 Virginia Polytechnic Institut
3356 490 10674 408 Level 3 Communications, LLC
20115 484 203 293 Charter Communications
1 458 1054 294 GENUITY
705 417 185 254 UUNET Technologies, Inc.
690 411 59 276 Merit Network
4355 393 340 111 EarthLink, Inc.
10753 390 80 195 XCOM Technologies, INC.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 717 2121 595 UUNET - Commercial IP service
3301 295 1168 282 TeliaNet Sweden
3320 269 1989 229 Deutsche Telekom AG
8220 244 431 233 COLT Internet - International
1257 240 374 187 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
3215 200 735 113 France Telecom Transpac
719 193 307 123 LANLINK autonomous system
5515 185 779 148 Sonera Solution Autonomous Sy
5400 182 175 133 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 155 110 152 Romania Data Systems S.A.
3303 145 540 140 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 125 376 123 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 113 1295 104 BTnet UK Regional network
3352 98 824 34 Ibernet, Internet Access Netw
25186 98 127 71 France Telecom Transpac's Tra
6746 88 12 75 Dynamic Network Technologies,
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 335 103 106 ImpSat
7303 240 39 57 Telecom Argentina Stet-France
8151 228 350 118 UniNet S.A. de C.V.
11172 189 95 45 Servicios Alestra S.A de C.V
16814 151 10 17 NSS, S.A.
6503 133 205 94 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 104 3 36 Red Universitaria Nacional
11992 88 8 36 Integrated Systems
6147 85 70 17 Telefonica Del Peru
8065 82 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 75 14 38 Telefonica Empresas
11830 73 21 27 Instituto Costarricense de El
1916 72 305 42 Fundacao de Amparo a Pesquisa
4270 68 18 9 Red de Interconexion Universi
7927 68 6 41 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
13999 62 36 8 Mega Cable S.A. de C.V.
7984 59 12 40 Global One Colombia
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 675 667 Covad Communications
4323 633 452 Time Warner Communications, I
3908 924 432 Supernet, Inc.
7018 1395 419 AT&T
7843 563 396 Adelphia Corp.
6197 613 344 BellSouth Network Solutions,
4755 406 334 Videsh Sanchar Nigam Ltd. Aut
189 650 309 Genuity
6198 495 298 BellSouth Network Solutions,
27364 317 294 Armstrong Cable Services
1221 981 287 Telstra Pty Ltd
4355 393 282 EarthLink, Inc.
22909 295 276 Comcast Cable Corporation
6347 351 271 SAVVIS Communications Corpora
1239 906 255 Sprint
376 358 243 Reseau Interordinateurs Scien
25844 242 240 Skadden, Arps, Slate, Meagher
17676 257 236 XTAGE CORPORATION
22773 257 232 Cox Communications, Inc. Atla
7066 492 229 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
65100 PRIVATE 210.104.28.0/25 9768 Korea 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 /8:19 /9:4 /10:6 /11:12 /12:55
/13:98 /14:267 /15:473 /16:7437 /17:1736 /18:3104
/19:8412 /20:8748 /21:6391 /22:9429 /23:10917 /24:70079
/25:165 /26:203 /27:143 /28:27 /29:9 /30:49
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 669 675 Covad Communications
3908 584 924 Supernet, Inc.
189 565 650 Genuity
7018 496 1395 AT&T
6197 478 613 BellSouth Network Solutions,
701 440 1479 UUNET Technologies, Inc.
702 433 717 UUNET - Commercial IP service
7066 388 492 Virginia Polytechnic Institut
6198 384 495 BellSouth Network Solutions,
10753 376 390 XCOM Technologies, INC.
690 371 411 Merit Network
20115 329 484 Charter Communications
1239 316 906 Sprint
27364 311 317 Armstrong Cable Services
7843 264 563 Adelphia Corp.
25844 242 242 Skadden, Arps, Slate, Meagher
3356 229 490 Level 3 Communications, LLC
4355 212 393 EarthLink, Inc.
3320 208 269 Deutsche Telekom AG
209 205 510 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:710 13:1 15:4 16:1 17:3
20:6 24:840 25:1 32:84 38:46 40:23
44:2 55:1 57:15 61:306 62:397 63:1874
64:1791 65:1978 66:2666 67:273 68:391 69:245
80:410 81:126 82:16 128:146 129:169 130:62
131:84 132:15 134:171 135:7 136:188 137:115
138:124 139:47 140:154 141:134 142:101 143:44
144:87 145:13 146:275 147:62 148:300 149:78
150:121 151:69 152:218 153:58 154:5 155:126
156:58 157:50 158:130 159:134 160:46 161:76
162:360 163:77 164:313 165:144 166:97 167:313
168:179 169:96 170:326 171:9 192:5402 193:2442
194:1974 195:1125 196:463 198:3614 199:2757 200:2982
202:3927 203:5268 204:2996 205:2043 206:2329 207:2502
208:2560 209:2726 210:909 211:357 212:963 213:914
214:16 215:22 216:3228 217:714 218:105 219:34
220:103 221:11
End of report
