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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04:00 +10GMT Fri 22 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 118823
Prefixes after maximum aggregation: 75355
Unique aggregates announced to Internet: 56377
Total ASes present in the Internet Routing Table: 14123
Origin-only ASes present in the Internet Routing Table: 12224
Origin ASes announcing only one prefix: 5523
Transit ASes present in the Internet Routing Table: 1899
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 2
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1184169053
Equivalent to 70 /8s, 148 /16s and 252 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 50139
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19244
Total APNIC prefixes after maximum aggregation: 11471
Prefixes being announced from the APNIC address blocks: 17781
Unique aggregates announced from the APNIC address blocks: 11186
APNIC Region origin ASes present in the Internet Routing Table: 1648
APNIC Region origin ASes announcing only one prefix: 524
APNIC Region transit ASes present in the Internet Routing Table: 288
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 100504480
Equivalent to 5 /8s, 253 /16s and 147 /24s
Percentage of available APNIC address space announced: 66.1
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 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74578
Total ARIN prefixes after maximum aggregation: 46758
Prefixes being announced from the ARIN address blocks: 52177
Unique aggregates announced from the ARIN address blocks: 15643
ARIN Region origin ASes present in the Internet Routing Table: 7927
ARIN Region origin ASes announcing only one prefix: 2658
ARIN Region transit ASes present in the Internet Routing Table: 759
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183575264
Equivalent to 10 /8s, 241 /16s and 34 /24s
Percentage of available ARIN address space announced: 68.4
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
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: 20096
Total RIPE prefixes after maximum aggregation: 15028
Prefixes being announced from the RIPE address blocks: 16751
Unique aggregates announced from the RIPE address blocks: 11109
RIPE Region origin ASes present in the Internet Routing Table: 4162
RIPE Region origin ASes announcing only one prefix: 2262
RIPE Region transit ASes present in the Internet Routing Table: 774
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119898816
Equivalent to 7 /8s, 37 /16s and 130 /24s
Percentage of available RIPE address space announced: 79.4
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4905
Total LACNIC prefixes after maximum aggregation: 2098
Prefixes being announced from the LACNIC address blocks: 4258
Unique aggregates announced from the LACNIC address blocks: 2749
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 79
LACNIC Region transit ASes present in the Internet Routing Table: 68
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11743232
Equivalent to 0 /8s, 179 /16s and 48 /24s
Percentage of available LACNIC address space announced: 70.0
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 1176 1184 851 Telstra Pty Ltd
703 395 364 311 UUNET
2907 350 1751 330 SINET Japan
2764 339 341 307 connect.com.au pty ltd
7474 305 279 202 Optus Communications Pty Ltd
17557 302 22 122 Pakistan Telecom
4134 298 2351 100 Data Communications Bureau
4755 263 136 70 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 229 3554 29 XTAGE CORPORATION
9443 184 57 72 Primus Telecommunications
9583 172 33 11 Satyam Infoway Ltd.,
4515 143 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
9800 126 189 28 CHINA UNICOM
7657 125 24 90 The Internet Group Limited
4739 120 56 110 Commerical Internet eXchange
4621 119 11 70 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 1891 1668 510 Supernet, Inc.
701 1744 9039 1247 UUNET Technologies, Inc.
7018 1365 7174 948 AT&T
1239 910 3172 657 Sprint
7843 672 386 292 Adelphia Corp.
852 665 1147 466 Telus Advanced Communications
1 658 8090 438 GENUITY
209 591 2048 337 Qwest
7046 586 861 284 UUNET Technologies, Inc.
19029 568 127 28 New Edge Networks
4323 525 455 167 Time Warner Communications, I
690 507 74 319 Merit Network
7066 489 204 257 Virginia Polytechnic Institut
6197 442 235 201 BellSouth Network Solutions,
705 438 134 199 UUNET Technologies, Inc.
3561 413 2282 355 Cable & Wireless USA
6198 410 176 197 BellSouth Network Solutions,
3549 407 743 293 Global Crossing
4355 403 313 118 EarthLink, Inc.
2548 390 1036 240 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 822 2330 688 UUNET - Commercial IP service
3301 381 1164 336 TeliaNet Sweden
3215 312 789 172 France Telecom Transpac
3320 245 1964 221 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
1257 213 416 203 SWIPnet Swedish IP Network
5515 210 783 175 Sonera Solution Autonomous Sy
719 190 306 129 LANLINK autonomous system
5400 182 79 103 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 176 1304 134 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 144 517 143 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 118 173 110 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
5511 100 192 81 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 267 114 57 ImpSat USA, Inc.
8151 212 347 113 UniNet S.A. de C.V.
7303 184 28 47 Telecom Argentina Stet-France
11172 167 88 34 Servicios Alestra S.A de C.V
6503 155 175 110 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 97 6 33 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 79 2 30 Red Universitaria Nacional
15311 75 27 37 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
6535 72 5 16 Chilesat Servicios Empresari
4270 71 18 10 Red de Interconexion Universi
6147 66 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 63 11 40 Global One Colombia
15034 61 5 34 TIBA SA
8065 60 6 15 Empresas Publicas de Medellin
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 568 540 New Edge Networks
701 1744 497 UUNET Technologies, Inc.
7018 1365 417 AT&T
7843 672 380 Adelphia Corp.
18566 367 362 Covad Communications
4323 525 358 Time Warner Communications, I
1221 1176 325 Telstra Pty Ltd
1580 317 304 ANOSCEUR
7046 586 302 UUNET Technologies, Inc.
4151 347 288 USDA
6347 360 286 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 265 256 Cable One
22927 275 255 TELEFONICA DE ARGENTINA
209 591 254 Qwest
1239 910 253 Sprint
6197 442 241 BellSouth Network Solutions,
705 438 239 UUNET Technologies, Inc.
7066 489 232 Virginia Polytechnic Institut
4814 247 232 China Telecom (Group)
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
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
156.108.0.0/16 14041 Colorado State University / A
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
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
192.91.198.0/24 2568 CTS Network Services
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
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 /8:17 /9:3 /10:8 /11:11 /12:46
/13:91 /14:236 /15:439 /16:7310 /17:1540 /18:2745
/19:7954 /20:7587 /21:5419 /22:8327 /23:10056 /24:66088
/25:159 /26:186 /27:109 /28:103 /29:71 /30:235
/31:19 /32:64
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 786 1891 Supernet, Inc.
19029 534 568 New Edge Networks
701 503 1744 UUNET Technologies, Inc.
702 503 822 UUNET - Commercial IP service
7843 473 672 Adelphia Corp.
690 455 507 Merit Network
7018 438 1365 AT&T
7066 387 489 Virginia Polytechnic Institut
18566 360 367 Covad Communications
6197 333 442 BellSouth Network Solutions,
6198 326 410 BellSouth Network Solutions,
1239 304 910 Sprint
1580 303 317 ANOSCEUR
209 276 591 Qwest
7046 276 586 UUNET Technologies, Inc.
11492 263 265 Cable One
3215 237 312 France Telecom Transpac
3301 226 381 TeliaNet Sweden
22927 225 275 TELEFONICA DE ARGENTINA
4355 223 403 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:598 13:10 15:4 17:3
20:5 24:846 25:1 32:46 38:28 40:13
44:1 55:1 57:15 61:392 62:391 63:1896
64:1385 65:1687 66:1220 67:178 68:174 69:22
80:315 81:82 128:119 129:131 130:19 131:67
132:9 133:2 134:138 135:7 136:488 137:109
138:216 139:77 140:154 141:91 142:88 143:46
144:150 145:18 146:253 147:248 148:258 149:77
150:43 151:85 152:289 153:36 154:8 155:100
156:108 157:41 158:110 159:151 160:22 161:72
162:137 163:88 164:253 165:138 166:93 167:296
168:371 169:56 170:258 171:6 192:5421 193:2386
194:2010 195:848 196:456 198:3661 199:3090 200:2607
202:3543 203:4831 204:3486 205:2331 206:2348 207:2488
208:2580 209:2874 210:617 211:290 212:871 213:788
214:12 215:20 216:3109 217:506 218:65 219:7
End of report
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