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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 15 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117795
Prefixes after maximum aggregation: 75255
Unique aggregates announced to Internet: 56241
Total ASes present in the Internet Routing Table: 14079
Origin-only ASes present in the Internet Routing Table: 12195
Origin ASes announcing only one prefix: 5490
Transit ASes present in the Internet Routing Table: 1884
Transit-only ASes present in the Internet Routing Table: 62
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: 4
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: 1182829185
Equivalent to 70 /8s, 128 /16s and 138 /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: 49783
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19206
Total APNIC prefixes after maximum aggregation: 11466
Prefixes being announced from the APNIC address blocks: 17719
Unique aggregates announced from the APNIC address blocks: 11170
APNIC Region origin ASes present in the Internet Routing Table: 1646
APNIC Region origin ASes announcing only one prefix: 523
APNIC Region transit ASes present in the Internet Routing Table: 285
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 11
Number of APNIC addresses announced to Internet: 100099012
Equivalent to 5 /8s, 247 /16s and 99 /24s
Percentage of available APNIC address space announced: 65.8
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: 73660
Total ARIN prefixes after maximum aggregation: 46698
Prefixes being announced from the ARIN address blocks: 51462
Unique aggregates announced from the ARIN address blocks: 15657
ARIN Region origin ASes present in the Internet Routing Table: 7910
ARIN Region origin ASes announcing only one prefix: 2643
ARIN Region transit ASes present in the Internet Routing Table: 757
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182787808
Equivalent to 10 /8s, 229 /16s and 30 /24s
Percentage of available ARIN address space announced: 68.1
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: 20040
Total RIPE prefixes after maximum aggregation: 14975
Prefixes being announced from the RIPE address blocks: 16712
Unique aggregates announced from the RIPE address blocks: 11055
RIPE Region origin ASes present in the Internet Routing Table: 4143
RIPE Region origin ASes announcing only one prefix: 2243
RIPE Region transit ASes present in the Internet Routing Table: 765
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 119495104
Equivalent to 7 /8s, 31 /16s and 89 /24s
Percentage of available RIPE address space announced: 79.1
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: 4886
Total LACNIC prefixes after maximum aggregation: 2116
Prefixes being announced from the LACNIC address blocks: 4227
Unique aggregates announced from the LACNIC address blocks: 2722
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 81
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: 17
Number of LACNIC addresses announced to Internet: 11737088
Equivalent to 0 /8s, 179 /16s and 24 /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 1186 1184 861 Telstra Pty Ltd
703 389 365 308 UUNET
2907 352 1768 331 SINET Japan
2764 336 356 306 connect.com.au pty ltd
17557 316 23 121 Pakistan Telecom
7474 301 279 200 Optus Communications Pty Ltd
4134 297 2287 98 Data Communications Bureau
4755 263 134 70 Videsh Sanchar Nigam Ltd. Aut
4766 236 1807 152 Korea Internet Exchange for "
4814 234 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 182 57 71 Primus Telecommunications
9583 171 33 10 Satyam Infoway Ltd.,
4515 137 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
9800 125 191 18 CHINA UNICOM
7657 124 24 90 The Internet Group Limited
4621 121 11 67 UNINET-TH
4739 119 56 110 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1730 9054 1242 UUNET Technologies, Inc.
7018 1347 7180 934 AT&T
3908 1096 1652 509 Supernet, Inc.
1239 905 3171 661 Sprint
7843 745 375 279 Adelphia Corp.
852 709 1147 467 Telus Advanced Communications
1 661 8106 439 GENUITY
7046 594 858 288 UUNET Technologies, Inc.
209 577 2047 330 Qwest
19029 565 127 28 New Edge Networks
4323 519 455 166 Time Warner Communications, I
690 506 74 317 Merit Network
7066 488 204 256 Virginia Polytechnic Institut
705 440 134 200 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3561 419 2281 360 Cable & Wireless USA
3549 408 744 294 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
4355 402 313 118 EarthLink, Inc.
2548 401 1020 243 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 821 2334 687 UUNET - Commercial IP service
3301 379 1163 334 TeliaNet Sweden
3215 311 789 172 France Telecom Transpac
3320 244 1964 220 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 208 415 202 SWIPnet Swedish IP Network
5400 194 86 112 BT Ignite European Backbone
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 163 41 149 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 122 17 29 MobiFon S.A.
3246 119 375 116 Song Networks
8220 116 169 108 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 268 114 58 ImpSat USA, Inc.
8151 210 331 111 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 150 175 107 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
11340 78 2 29 Red Universitaria Nacional
15311 75 27 37 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
6535 73 5 16 Chilesat Servicios Empresari
4270 71 18 10 Red de Interconexion Universi
6147 67 57 23 Telefonica Del Peru
11992 67 7 29 Integrated Systems
4926 63 4 51 Telintar S.A.
7984 62 11 39 Global One Colombia
8065 60 6 15 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1096 587 Supernet, Inc.
19029 565 537 New Edge Networks
7843 745 466 Adelphia Corp.
7018 1347 413 AT&T
4323 519 353 Time Warner Communications, I
18566 353 347 Covad Communications
1221 1186 325 Telstra Pty Ltd
1580 322 309 ANOSCEUR
7046 594 306 UUNET Technologies, Inc.
4151 341 285 USDA
4355 402 284 EarthLink, Inc.
6347 359 284 SAVVIS Communications Corpora
209 577 247 Qwest
1239 905 244 Sprint
852 709 242 Telus Advanced Communications
705 440 240 UUNET Technologies, Inc.
6197 439 239 BellSouth Network Solutions,
376 343 239 Reseau Interordinateurs Scien
7066 488 232 Virginia Polytechnic Institut
11492 236 223 Cable One
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
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 /9:3 /10:8 /11:11 /12:46
/13:90 /14:236 /15:433 /16:7314 /17:1535 /18:2748
/19:7919 /20:7545 /21:5361 /22:8276 /23:9965 /24:65335
/25:166 /26:195 /27:108 /28:103 /29:67 /30:229
/31:19 /32:66
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 645 1096 Supernet, Inc.
7843 553 745 Adelphia Corp.
19029 531 565 New Edge Networks
701 496 1730 UUNET Technologies, Inc.
702 496 821 UUNET - Commercial IP service
690 454 506 Merit Network
7018 437 1347 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 348 353 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
1580 308 322 ANOSCEUR
1239 292 905 Sprint
7046 286 594 UUNET Technologies, Inc.
209 263 577 Qwest
3215 236 311 France Telecom Transpac
11492 231 236 Cable One
3301 224 379 TeliaNet Sweden
4355 223 402 EarthLink, Inc.
11537 223 229 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:590 13:10 15:4 17:3
20:5 24:878 25:1 32:48 38:27 40:12
44:1 55:1 57:16 61:380 62:387 63:1894
64:1384 65:1694 66:1196 67:134 68:206 69:20
80:302 81:76 128:117 129:110 130:21 131:66
132:9 133:2 134:142 135:7 136:492 137:109
138:216 139:76 140:154 141:92 142:87 143:46
144:148 145:18 146:255 147:254 148:255 149:78
150:42 151:87 152:282 153:36 154:8 155:104
156:105 157:75 158:98 159:150 160:24 161:74
162:131 163:87 164:256 165:134 166:93 167:292
168:312 169:56 170:242 171:6 192:5424 193:2384
194:1997 195:861 196:454 198:3602 199:3056 200:2583
202:3504 203:4851 204:3289 205:2114 206:2363 207:2453
208:2574 209:2840 210:623 211:287 212:883 213:781
214:12 215:21 216:3073 217:511 218:65 219:7
End of report
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