[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 15 Sep, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127816
Prefixes after maximum aggregation: 80173
Unique aggregates announced to Internet: 61855
Total ASes present in the Internet Routing Table: 15815
Origin-only ASes present in the Internet Routing Table: 13709
Origin ASes announcing only one prefix: 6223
Transit ASes present in the Internet Routing Table: 2106
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 27
Illegal AS announcements present in the Routing Table: 5
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1242055968
Equivalent to 74 /8s, 8 /16s and 69 /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: 56781
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22410
Total APNIC prefixes after maximum aggregation: 12706
Prefixes being announced from the APNIC address blocks: 20829
Unique aggregates announced from the APNIC address blocks: 12485
APNIC Region origin ASes present in the Internet Routing Table: 1895
APNIC Region origin ASes announcing only one prefix: 543
APNIC Region transit ASes present in the Internet Routing Table: 309
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 121898752
Equivalent to 7 /8s, 68 /16s and 7 /24s
Percentage of available APNIC address space announced: 65.7
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: 77556
Total ARIN prefixes after maximum aggregation: 48725
Prefixes being announced from the ARIN address blocks: 55321
Unique aggregates announced from the ARIN address blocks: 17480
ARIN Region origin ASes present in the Internet Routing Table: 8660
ARIN Region origin ASes announcing only one prefix: 2973
ARIN Region transit ASes present in the Internet Routing Table: 842
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 196971552
Equivalent to 11 /8s, 189 /16s and 140 /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: 22437
Total RIPE prefixes after maximum aggregation: 16468
Prefixes being announced from the RIPE address blocks: 18973
Unique aggregates announced from the RIPE address blocks: 12788
RIPE Region origin ASes present in the Internet Routing Table: 4842
RIPE Region origin ASes announcing only one prefix: 2611
RIPE Region transit ASes present in the Internet Routing Table: 855
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 135913792
Equivalent to 8 /8s, 25 /16s and 225 /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: 5411
Total LACNIC prefixes after maximum aggregation: 2274
Prefixes being announced from the LACNIC address blocks: 4887
Unique aggregates announced from the LACNIC address blocks: 3135
LACNIC Region origin ASes present in the Internet Routing Table: 346
LACNIC Region origin ASes announcing only one prefix: 96
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13204224
Equivalent to 0 /8s, 201 /16s and 123 /24s
Percentage of available LACNIC address space announced: 39.4
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 974 1109 694 Telstra Pty Ltd
4755 411 135 72 Videsh Sanchar Nigam Ltd. Aut
2907 374 1896 349 SINET Japan
703 336 371 265 UUNET
4134 331 2228 108 Data Communications Bureau
17557 306 22 136 Pakistan Telecom
2764 288 322 257 connect.com.au pty ltd
7474 267 290 208 Optus Communications Pty Ltd
17676 261 3962 25 XTAGE CORPORATION
9583 251 38 23 Satyam Infoway Ltd.,
3786 237 773 203 DACOM Corporation
4766 228 2461 171 Korea Internet Exchange for "
9800 202 331 51 CHINA UNICOM
9443 185 58 82 Primus Telecommunications
9498 180 16 29 BHARTI BT INTERNET LTD.
4538 173 1586 20 China Education and Research
9929 173 160 36 China Netcom Corp.
9942 161 69 102 COMindico Australia
17642 155 40 116 RequestDSL BGP AS# for Sydney
4837 140 1058 88 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1474 8770 1030 UUNET Technologies, Inc.
7018 1392 7123 975 AT&T
3908 920 1573 489 Supernet, Inc.
1239 907 3035 652 Sprint
18566 678 160 8 Covad Communications
4323 636 553 183 Time Warner Communications, I
189 617 352 339 Genuity
6197 614 397 270 BellSouth Network Solutions,
7843 534 440 144 Adelphia Corp.
852 515 1122 409 Telus Advanced Communications
3356 515 10676 430 Level 3 Communications, LLC
209 508 2129 293 Qwest
7066 493 205 263 Virginia Polytechnic Institut
6198 492 329 191 BellSouth Network Solutions,
20115 484 203 293 Charter Communications
1 457 1055 293 GENUITY
705 417 185 254 UUNET Technologies, Inc.
690 411 59 276 Merit Network
4355 393 336 110 EarthLink, Inc.
10753 390 80 195 XCOM Technologies, INC.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 710 2119 589 UUNET - Commercial IP service
3301 295 1168 282 TeliaNet Sweden
3320 271 1989 231 Deutsche Telekom AG
8220 267 436 246 COLT Internet - International
680 232 2054 229 DFN-IP service G-WiN
1257 227 374 183 SWIPnet Swedish IP Network
3215 201 738 113 France Telecom Transpac
719 193 307 123 LANLINK autonomous system
5515 186 779 148 Sonera Solution Autonomous Sy
5400 183 174 133 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 147 110 144 Romania Data Systems S.A.
3303 143 540 138 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 125 376 123 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 112 1293 103 BTnet UK Regional network
3352 98 824 34 Ibernet, Internet Access Netw
25186 98 127 71 France Telecom Transpac's Tra
2647 89 4129 45 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 335 103 106 ImpSat
7303 240 40 58 Telecom Argentina Stet-France
8151 230 350 120 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 131 205 92 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
6147 89 70 19 Telefonica Del Peru
11992 88 8 36 Integrated Systems
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 71 305 42 Fundacao de Amparo a Pesquisa
11340 71 2 22 Red Universitaria Nacional
4270 68 18 9 Red de Interconexion Universi
7927 68 6 41 Global One Venezuela
7080 64 4 1 Electronica y Comunicaciones
13999 60 36 8 Mega Cable S.A. de C.V.
7984 58 12 39 Global One Colombia
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 678 670 Covad Communications
4323 636 453 Time Warner Communications, I
3908 920 431 Supernet, Inc.
7018 1392 417 AT&T
7843 534 390 Adelphia Corp.
6197 614 344 BellSouth Network Solutions,
4755 411 339 Videsh Sanchar Nigam Ltd. Aut
6198 492 301 BellSouth Network Solutions,
27364 318 295 Armstrong Cable Services
4355 393 283 EarthLink, Inc.
1221 974 280 Telstra Pty Ltd
189 617 278 Genuity
22909 295 276 Comcast Cable Corporation
6347 352 272 SAVVIS Communications Corpora
1239 907 255 Sprint
376 357 242 Reseau Interordinateurs Scien
25844 242 240 Skadden, Arps, Slate, Meagher
17676 261 236 XTAGE CORPORATION
22773 257 232 Cox Communications, Inc. Atla
7066 493 230 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
23780 UNALLOCATED 211.15.112.0/20 2516 Kokusai Denshin Denw
23780 UNALLOCATED 211.19.224.0/19 2516 Kokusai Denshin Denw
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 /14:266 /15:472 /16:7427 /17:1747 /18:3111
/19:8425 /20:8760 /21:6413 /22:9420 /23:10920 /24:70078
/25:136 /26:199 /27:140 /28:28 /29:9 /30:49
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 672 678 Covad Communications
3908 581 920 Supernet, Inc.
189 540 617 Genuity
7018 495 1392 AT&T
6197 479 614 BellSouth Network Solutions,
701 439 1474 UUNET Technologies, Inc.
702 426 710 UUNET - Commercial IP service
7066 389 493 Virginia Polytechnic Institut
6198 378 492 BellSouth Network Solutions,
10753 376 390 XCOM Technologies, INC.
690 371 411 Merit Network
20115 329 484 Charter Communications
1239 316 907 Sprint
27364 312 318 Armstrong Cable Services
3356 253 515 Level 3 Communications, LLC
25844 242 242 Skadden, Arps, Slate, Meagher
7843 230 534 Adelphia Corp.
4355 212 393 EarthLink, Inc.
3320 210 271 Deutsche Telekom AG
209 204 508 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:714 13:1 15:4 16:1 17:3
20:6 24:831 25:1 32:83 38:46 40:23
44:2 55:1 57:14 61:308 62:430 63:1865
64:1782 65:1978 66:2659 67:277 68:372 69:243
80:420 81:126 82:16 128:152 129:168 130:62
131:84 132:15 134:169 135:7 136:188 137:113
138:126 139:47 140:161 141:134 142:101 143:44
144:88 145:13 146:275 147:63 148:300 149:79
150:121 151:69 152:218 153:58 154:5 155:126
156:58 157:53 158:135 159:138 160:45 161:68
162:361 163:77 164:318 165:145 166:97 167:305
168:179 169:95 170:328 171:9 192:5369 193:2463
194:1971 195:1134 196:462 198:3603 199:2760 200:3005
202:3928 203:5252 204:2990 205:2039 206:2324 207:2483
208:2560 209:2737 210:905 211:361 212:947 213:921
214:16 215:22 216:3238 217:723 218:105 219:36
220:108 221:11
End of report
