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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 Wed 09 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 115740
Prefixes after maximum aggregation: 74564
Unique aggregates announced to Internet: 55328
Total ASes present in the Internet Routing Table: 13879
Origin-only ASes present in the Internet Routing Table: 12013
Origin ASes announcing only one prefix: 5381
Transit ASes present in the Internet Routing Table: 1866
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 19
Illegal AS announcements present in the Routing Table: 1
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: 1192219976
Equivalent to 71 /8s, 15 /16s and 213 /24s
Percentage of available address space announced: 32.2
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 48032
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18757
Total APNIC prefixes after maximum aggregation: 11399
Prefixes being announced from the APNIC address blocks: 17264
Unique aggregates announced from the APNIC address blocks: 10967
APNIC Region origin ASes present in the Internet Routing Table: 1619
APNIC Region origin ASes announcing only one prefix: 524
APNIC Region transit ASes present in the Internet Routing Table: 280
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 98032800
Equivalent to 5 /8s, 215 /16s and 220 /24s
Percentage of available APNIC address space announced: 64.5
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: 72522
Total ARIN prefixes after maximum aggregation: 46160
Prefixes being announced from the ARIN address blocks: 50783
Unique aggregates announced from the ARIN address blocks: 15354
ARIN Region origin ASes present in the Internet Routing Table: 7797
ARIN Region origin ASes announcing only one prefix: 2565
ARIN Region transit ASes present in the Internet Routing Table: 755
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 181404256
Equivalent to 10 /8s, 208 /16s and 2 /24s
Percentage of available ARIN address space announced: 67.6
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: 19747
Total RIPE prefixes after maximum aggregation: 14927
Prefixes being announced from the RIPE address blocks: 16412
Unique aggregates announced from the RIPE address blocks: 10866
RIPE Region origin ASes present in the Internet Routing Table: 4087
RIPE Region origin ASes announcing only one prefix: 2211
RIPE Region transit ASes present in the Internet Routing Table: 753
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 115543104
Equivalent to 6 /8s, 227 /16s and 12 /24s
Percentage of available RIPE address space announced: 76.5
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: 4714
Total LACNIC prefixes after maximum aggregation: 2078
Prefixes being announced from the LACNIC address blocks: 4141
Unique aggregates announced from the LACNIC address blocks: 2629
LACNIC Region origin ASes present in the Internet Routing Table: 316
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: 6.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 11425024
Equivalent to 0 /8s, 174 /16s and 85 /24s
Percentage of available LACNIC address space announced: 68.1
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 1200 1187 883 Telstra Pty Ltd
703 399 375 315 UUNET
2907 361 1831 341 SINET Japan
2764 342 356 314 connect.com.au pty ltd
7474 303 275 207 Optus Communications Pty Ltd
4134 292 2268 96 Data Communications Bureau
17557 289 21 111 Pakistan Telecom
4755 269 139 75 Videsh Sanchar Nigam Ltd. Aut
4766 249 1808 157 Korea Internet Exchange for "
4814 224 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 187 57 72 Primus Telecommunications
9583 174 32 5 Satyam Infoway Ltd.,
4515 136 102 77 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 128 736 122 TTnet
7657 128 22 85 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1790 9232 1286 UUNET Technologies, Inc.
7018 1341 7180 938 AT&T
3908 1054 1652 508 Supernet, Inc.
1239 860 3170 650 Sprint
852 736 1145 457 Telus Advanced Communications
7843 727 371 299 Adelphia Corp.
1 660 8059 438 GENUITY
7132 593 672 69 Southwestern Bell Internet Se
7046 581 878 299 UUNET Technologies, Inc.
209 558 2065 337 Qwest
4323 519 439 165 Time Warner Communications, I
690 518 75 325 Merit Network
7066 490 204 257 Virginia Polytechnic Institut
2548 444 1118 274 Business Internet, Inc.
705 410 130 200 UUNET Technologies, Inc.
3549 408 725 294 Global Crossing
6197 391 601 40 BellSouth Network Solutions,
4355 379 292 104 EarthLink, Inc.
2914 367 2027 360 Verio, Inc.
15290 359 230 176 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 872 2406 727 UUNET - Commercial IP service
3301 389 1164 337 TeliaNet Sweden
3215 296 677 172 France Telecom Transpac
3320 248 1966 225 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 214 783 177 Sonera Solution Autonomous Sy
5400 207 84 99 BT Ignite European Backbone
1257 205 444 201 SWIPnet Swedish IP Network
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
8708 162 41 146 Romania Data Systems S.A.
2856 158 790 137 BTnet UK Regional network
3303 144 532 143 Swisscom Ltd
12302 123 18 30 MobiFon S.A.
3246 122 373 115 Song Networks
8220 112 168 104 COLT Internet - International
5511 111 192 89 France Telecom
3233 107 10 8 RNC - Romanian Natioanal R&D
3269 106 690 64 TELECOM ITALIA
2874 103 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 202 314 112 UniNet S.A. de C.V.
7303 174 27 49 Telecom Argentina Stet-France
11172 170 88 35 Servicios Alestra S.A de C.V
6503 150 174 108 AVANTEL, S.A.
6140 115 76 28 ImpSat USA, Inc.
16814 107 7 13 NSS, S.A.
13999 103 19 8 Mega Cable S.A. de C.V.
10620 99 6 30 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
1916 74 425 41 Fundacao de Amparo a Pesquisa
15311 74 24 31 Telefonica Empresas
11992 73 7 31 Integrated Systems
15034 73 5 33 TIBA SA
4270 68 18 10 Red de Interconexion Universi
4926 64 4 52 Telintar S.A.
7984 64 27 42 Global One Colombia
2277 61 16 3 ECUANET - CORPORACION ECUATOR
8065 60 6 16 Empresas Publicas de Medellin
7927 58 4 40 Global One Venezuela
16528 57 5 35 ImpSat S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1054 546 Supernet, Inc.
7132 593 524 Southwestern Bell Internet Se
7843 727 428 Adelphia Corp.
7018 1341 403 AT&T
4323 519 354 Time Warner Communications, I
6197 391 351 BellSouth Network Solutions,
1221 1200 317 Telstra Pty Ltd
1580 319 307 ANOSCEUR
18566 294 290 Covad Communications
7046 581 282 UUNET Technologies, Inc.
852 736 279 Telus Advanced Communications
4355 379 275 EarthLink, Inc.
6347 343 268 SAVVIS Communications Corpora
4151 281 265 USDA
7066 490 233 Virginia Polytechnic Institut
376 341 231 Reseau Interordinateurs Scien
1 660 222 GENUITY
209 558 221 Qwest
1239 860 210 Sprint
705 410 210 UUNET Technologies, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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 /8:18 /9:6 /10:7 /11:12 /12:38
/13:90 /14:238 /15:428 /16:7276 /17:1499 /18:2714
/19:7875 /20:7523 /21:5312 /22:8138 /23:9886 /24:63919
/25:173 /26:210 /27:116 /28:75 /29:51 /30:96
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 624 1054 Supernet, Inc.
7843 539 727 Adelphia Corp.
702 537 872 UUNET - Commercial IP service
701 489 1790 UUNET Technologies, Inc.
690 465 518 Merit Network
7018 424 1341 AT&T
7066 388 490 Virginia Polytechnic Institut
1580 306 319 ANOSCEUR
18566 288 294 Covad Communications
6197 275 391 BellSouth Network Solutions,
7046 268 581 UUNET Technologies, Inc.
1239 254 860 Sprint
6198 244 314 BellSouth Network Solutions,
209 235 558 Qwest
3301 234 389 TeliaNet Sweden
3215 227 296 France Telecom Transpac
11492 219 224 Cable One
4355 217 379 EarthLink, Inc.
3320 189 248 Deutsche Telekom AG
705 187 410 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 12:557 13:10 15:4 17:7 20:4
24:847 25:1 32:41 38:24 40:8 44:1
55:1 57:14 61:357 62:247 63:1878 64:1296
65:1553 66:1206 67:110 68:133 69:1 80:298
81:64 128:116 129:124 130:19 131:54 132:9
133:2 134:126 135:9 136:513 137:104 138:153
139:72 140:167 141:66 142:70 143:49 144:153
145:17 146:240 147:223 148:249 149:78 150:41
151:73 152:297 153:38 154:9 155:104 156:102
157:104 158:72 159:139 160:21 161:74 162:123
163:87 164:260 165:127 166:104 167:274 168:303
169:62 170:183 171:3 192:5391 193:2387 194:2021
195:819 196:438 198:3617 199:3070 200:2550 202:3432
203:4813 204:3276 205:2119 206:2393 207:2478 208:2557
209:2587 210:592 211:248 212:888 213:776 214:9
215:19 216:2981 217:530 218:47 219:2
End of report
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