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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 Tue 12 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117341
Prefixes after maximum aggregation: 75164
Unique aggregates announced to Internet: 56249
Total ASes present in the Internet Routing Table: 14056
Origin-only ASes present in the Internet Routing Table: 12169
Origin ASes announcing only one prefix: 5488
Transit ASes present in the Internet Routing Table: 1887
Transit-only ASes present in the Internet Routing Table: 65
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: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 35
Number of addresses announced to Internet: 1182613628
Equivalent to 70 /8s, 125 /16s and 64 /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: 49462
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19121
Total APNIC prefixes after maximum aggregation: 11437
Prefixes being announced from the APNIC address blocks: 17677
Unique aggregates announced from the APNIC address blocks: 11165
APNIC Region origin ASes present in the Internet Routing Table: 1641
APNIC Region origin ASes announcing only one prefix: 524
APNIC Region transit ASes present in the Internet Routing Table: 286
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100207296
Equivalent to 5 /8s, 249 /16s and 10 /24s
Percentage of available APNIC address space announced: 65.9
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: 73384
Total ARIN prefixes after maximum aggregation: 46610
Prefixes being announced from the ARIN address blocks: 51250
Unique aggregates announced from the ARIN address blocks: 15585
ARIN Region origin ASes present in the Internet Routing Table: 7897
ARIN Region origin ASes announcing only one prefix: 2643
ARIN Region transit ASes present in the Internet Routing Table: 753
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182640096
Equivalent to 10 /8s, 226 /16s and 221 /24s
Percentage of available ARIN address space announced: 68.0
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: 19992
Total RIPE prefixes after maximum aggregation: 15003
Prefixes being announced from the RIPE address blocks: 16648
Unique aggregates announced from the RIPE address blocks: 11151
RIPE Region origin ASes present in the Internet Routing Table: 4134
RIPE Region origin ASes announcing only one prefix: 2239
RIPE Region transit ASes present in the Internet Routing Table: 768
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119281344
Equivalent to 7 /8s, 28 /16s and 22 /24s
Percentage of available RIPE address space announced: 79.0
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: 4842
Total LACNIC prefixes after maximum aggregation: 2114
Prefixes being announced from the LACNIC address blocks: 4229
Unique aggregates announced from the LACNIC address blocks: 2686
LACNIC Region origin ASes present in the Internet Routing Table: 321
LACNIC Region origin ASes announcing only one prefix: 82
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11716096
Equivalent to 0 /8s, 178 /16s and 198 /24s
Percentage of available LACNIC address space announced: 69.8
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1170 1167 855 Telstra Pty Ltd
703 391 365 310 UUNET
2907 352 1768 331 SINET Japan
2764 338 356 308 connect.com.au pty ltd
17557 316 23 121 Pakistan Telecom
7474 298 279 197 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 264 136 72 Videsh Sanchar Nigam Ltd. Aut
4766 236 1807 152 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 182 57 71 Primus Telecommunications
9583 165 32 6 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 130 724 124 TTnet
7657 124 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4621 119 11 67 UNINET-TH
4739 118 56 109 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1720 9117 1237 UUNET Technologies, Inc.
7018 1329 7177 926 AT&T
3908 1093 1652 510 Supernet, Inc.
1239 894 3170 662 Sprint
7843 788 375 305 Adelphia Corp.
852 709 1147 468 Telus Advanced Communications
1 665 8122 441 GENUITY
209 630 2062 329 Qwest
7046 587 860 288 UUNET Technologies, Inc.
19029 532 127 28 New Edge Networks
4323 515 451 175 Time Warner Communications, I
690 508 75 319 Merit Network
7066 488 204 256 Virginia Polytechnic Institut
705 442 134 202 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3561 407 2280 350 Cable & Wireless USA
6198 405 176 198 BellSouth Network Solutions,
2548 403 1020 243 Business Internet, Inc.
3549 403 728 289 Global Crossing
4355 399 311 116 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 825 2366 693 UUNET - Commercial IP service
3301 379 1163 334 TeliaNet Sweden
3215 311 805 173 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 209 415 203 SWIPnet Swedish IP Network
5400 193 84 111 BT Ignite European Backbone
719 191 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 136 9 36 This AS will be used to conne
12302 122 17 29 MobiFon S.A.
3246 119 375 116 Song Networks
8220 114 169 106 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 252 113 57 ImpSat USA, Inc.
8151 207 330 109 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 156 191 108 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 96 6 32 TVCABLE BOGOTA
15311 83 27 37 Telefonica Empresas
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
1916 73 409 40 Fundacao de Amparo a Pesquisa
4270 71 18 10 Red de Interconexion Universi
6535 71 4 15 Chilesat Servicios Empresari
4926 63 4 51 Telintar S.A.
7984 62 11 39 Global One Colombia
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
14117 52 3 3 Telefonica del Sur S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1093 583 Supernet, Inc.
19029 532 504 New Edge Networks
7843 788 483 Adelphia Corp.
7018 1329 403 AT&T
4323 515 340 Time Warner Communications, I
18566 344 340 Covad Communications
1221 1170 315 Telstra Pty Ltd
1580 321 308 ANOSCEUR
209 630 301 Qwest
7046 587 299 UUNET Technologies, Inc.
4151 310 294 USDA
4355 399 283 EarthLink, Inc.
6347 356 281 SAVVIS Communications Corpora
852 709 241 Telus Advanced Communications
705 442 240 UUNET Technologies, Inc.
376 343 240 Reseau Interordinateurs Scien
6197 439 239 BellSouth Network Solutions,
1239 894 232 Sprint
7066 488 232 Virginia Polytechnic Institut
1 665 224 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
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
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 /9:5 /10:8 /11:12 /12:46
/13:90 /14:238 /15:431 /16:7305 /17:1535 /18:2737
/19:7901 /20:7530 /21:5356 /22:8235 /23:9942 /24:65033
/25:158 /26:194 /27:105 /28:103 /29:65 /30:223
/31:19 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 641 1093 Supernet, Inc.
7843 598 788 Adelphia Corp.
19029 498 532 New Edge Networks
702 496 825 UUNET - Commercial IP service
701 493 1720 UUNET Technologies, Inc.
690 456 508 Merit Network
7018 430 1329 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 339 344 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 317 630 Qwest
1580 307 321 ANOSCEUR
1239 282 894 Sprint
7046 279 587 UUNET Technologies, Inc.
3215 235 311 France Telecom Transpac
11492 228 233 Cable One
3301 224 379 TeliaNet Sweden
4355 223 399 EarthLink, Inc.
11537 221 227 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:590 13:10 15:4 17:2
20:5 24:909 25:1 32:48 38:27 40:13
44:1 55:1 57:16 61:374 62:387 63:1900
64:1391 65:1656 66:1220 67:126 68:205 69:19
80:297 81:71 128:120 129:110 130:22 131:64
132:9 133:2 134:141 135:7 136:412 137:108
138:216 139:76 140:153 141:87 142:86 143:46
144:149 145:18 146:254 147:251 148:256 149:78
150:42 151:87 152:283 153:36 154:8 155:103
156:104 157:65 158:92 159:149 160:24 161:73
162:131 163:84 164:257 165:137 166:93 167:298
168:310 169:56 170:240 171:6 192:5419 193:2382
194:1987 195:851 196:442 198:3603 199:3026 200:2582
202:3513 203:4846 204:3272 205:2108 206:2352 207:2453
208:2562 209:2820 210:610 211:286 212:878 213:777
214:11 215:20 216:3035 217:505 218:64 219:7
End of report
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