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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 09 Dec, 2002
Analysis Summary
----------------
BGP routing table entries examined: 118261
Prefixes after maximum aggregation: 75495
Unique aggregates announced to Internet: 56404
Total ASes present in the Internet Routing Table: 14175
Origin-only ASes present in the Internet Routing Table: 12296
Origin ASes announcing only one prefix: 5564
Transit ASes present in the Internet Routing Table: 1879
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: 17
Illegal AS announcements present in the Routing Table: 6
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 37
Number of addresses announced to Internet: 1185113005
Equivalent to 70 /8s, 163 /16s and 99 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 58.6
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 54246
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19261
Total APNIC prefixes after maximum aggregation: 11449
Prefixes being announced from the APNIC address blocks: 17789
Unique aggregates announced from the APNIC address blocks: 11092
APNIC Region origin ASes present in the Internet Routing Table: 1651
APNIC Region origin ASes announcing only one prefix: 523
APNIC Region transit ASes present in the Internet Routing Table: 289
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 101077920
Equivalent to 6 /8s, 6 /16s and 83 /24s
Percentage of available APNIC address space announced: 66.5
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: 73862
Total ARIN prefixes after maximum aggregation: 46817
Prefixes being announced from the ARIN address blocks: 51454
Unique aggregates announced from the ARIN address blocks: 15718
ARIN Region origin ASes present in the Internet Routing Table: 7962
ARIN Region origin ASes announcing only one prefix: 2692
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: 17
Number of ARIN addresses announced to Internet: 183902960
Equivalent to 10 /8s, 246 /16s and 34 /24s
Percentage of available ARIN address space announced: 68.5
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: 20191
Total RIPE prefixes after maximum aggregation: 15121
Prefixes being announced from the RIPE address blocks: 16825
Unique aggregates announced from the RIPE address blocks: 11238
RIPE Region origin ASes present in the Internet Routing Table: 4184
RIPE Region origin ASes announcing only one prefix: 2268
RIPE Region transit ASes present in the Internet Routing Table: 756
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 121087744
Equivalent to 7 /8s, 55 /16s and 167 /24s
Percentage of available RIPE address space announced: 80.2
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, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4943
Total LACNIC prefixes after maximum aggregation: 2108
Prefixes being announced from the LACNIC address blocks: 4311
Unique aggregates announced from the LACNIC address blocks: 2791
LACNIC Region origin ASes present in the Internet Routing Table: 321
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 72
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 11755776
Equivalent to 0 /8s, 179 /16s and 97 /24s
Percentage of available LACNIC address space announced: 70.1
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 1155 1184 837 Telstra Pty Ltd
703 393 362 309 UUNET
2907 357 1768 335 SINET Japan
2764 343 341 312 connect.com.au pty ltd
17557 314 23 123 Pakistan Telecom
7474 306 280 205 Optus Communications Pty Ltd
4134 299 2377 100 Data Communications Bureau
4755 268 135 67 Videsh Sanchar Nigam Ltd. Aut
4814 248 79 15 China Telecom (Group)
17676 232 3602 27 XTAGE CORPORATION
4766 229 1807 152 Korea Internet Exchange for "
9583 189 33 12 Satyam Infoway Ltd.,
9443 184 57 73 Primus Telecommunications
9768 135 386 64 Korea Telecom
9800 130 191 30 CHINA UNICOM
4716 129 723 123 TTnet
7657 127 26 90 The Internet Group Limited
4621 120 11 67 UNINET-TH
4739 120 56 110 Commerical Internet eXchange
4515 112 104 47 Star Internet Services Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1736 9041 1240 UUNET Technologies, Inc.
3908 1733 1651 504 Supernet, Inc.
7018 1395 7101 980 AT&T
1239 924 3140 659 Sprint
1 666 8104 436 GENUITY
852 650 1145 463 Telus Advanced Communications
7843 645 395 283 Adelphia Corp.
7046 585 861 282 UUNET Technologies, Inc.
209 526 2032 336 Qwest
4323 525 455 167 Time Warner Communications, I
690 508 74 321 Merit Network
7066 491 204 258 Virginia Polytechnic Institut
6197 444 262 192 BellSouth Network Solutions,
705 435 134 195 UUNET Technologies, Inc.
6198 413 178 198 BellSouth Network Solutions,
18566 411 96 5 Covad Communications
3561 407 2230 350 Cable & Wireless USA
4355 404 313 118 EarthLink, Inc.
3549 402 741 294 Global Crossing
15290 388 213 172 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 810 2327 674 UUNET - Commercial IP service
3301 378 1163 333 TeliaNet Sweden
3215 309 804 169 France Telecom Transpac
3320 245 1962 223 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
719 192 306 129 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
5400 162 70 98 BT Ignite European Backbone
8708 152 42 145 Romania Data Systems S.A.
20858 146 17 4 This AS will be used to conne
3303 145 517 144 Swisscom Ltd
2856 143 1302 131 BTnet UK Regional network
12302 124 18 31 MobiFon S.A.
8220 123 174 112 COLT Internet - International
3246 119 379 116 Song Networks
3269 111 752 63 TELECOM ITALIA
5511 104 193 83 France Telecom
3233 103 10 15 RNC - Romanian Natioanal R&D
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 284 107 67 ImpSat USA, Inc.
8151 207 332 112 UniNet S.A. de C.V.
7303 182 28 46 Telecom Argentina Stet-France
11172 166 86 33 Servicios Alestra S.A de C.V
6503 153 191 105 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 98 6 32 TVCABLE BOGOTA
6147 81 59 21 Telefonica Del Peru
11340 80 2 31 Red Universitaria Nacional
1916 74 425 41 Fundacao de Amparo a Pesquisa
15311 73 27 37 Telefonica Empresas
6535 71 4 19 Chilesat Servicios Empresari
4270 67 18 10 Red de Interconexion Universi
8065 67 6 14 Empresas Publicas de Medellin
11992 67 7 30 Integrated Systems
7984 65 12 41 Global One Colombia
4926 63 4 51 Telintar S.A.
15034 57 5 32 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1733 1229 Supernet, Inc.
7018 1395 415 AT&T
18566 411 406 Covad Communications
7843 645 362 Adelphia Corp.
4323 525 358 Time Warner Communications, I
1221 1155 318 Telstra Pty Ltd
7046 585 303 UUNET Technologies, Inc.
1580 314 300 ANOSCEUR
4355 404 286 EarthLink, Inc.
4151 345 284 USDA
6347 352 275 SAVVIS Communications Corpora
11492 273 272 Cable One
22927 289 267 TELEFONICA DE ARGENTINA
1239 924 265 Sprint
6197 444 252 BellSouth Network Solutions,
705 435 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
7066 491 233 Virginia Polytechnic Institut
4814 248 233 China Telecom (Group)
1 666 230 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64516 PRIVATE 137.164.227.0/24 2150 California State Uni
64516 PRIVATE 137.164.228.0/22 2150 California State Uni
1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p
64000 RESERVED 200.63.214.0/24 14522 SatNet S.A.
63000 RESERVED 200.63.217.0/24 14522 SatNet S.A.
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
160.213.122.0/23 25440 Nestle European Data Center
160.213.248.0/21 25440 Nestle European Data Center
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
192.135.50.0/24 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 /14:238 /15:439 /16:7300 /17:1537 /18:2771
/19:7966 /20:7635 /21:5492 /22:8324 /23:9945 /24:65544
/25:141 /26:173 /27:90 /28:96 /29:69 /30:240
/31:19 /32:66
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 920 1733 Supernet, Inc.
701 511 1736 UUNET Technologies, Inc.
702 495 810 UUNET - Commercial IP service
690 457 508 Merit Network
7018 457 1395 AT&T
7843 436 645 Adelphia Corp.
18566 404 411 Covad Communications
7066 388 491 Virginia Polytechnic Institut
6197 334 444 BellSouth Network Solutions,
6198 331 413 BellSouth Network Solutions,
1239 317 924 Sprint
1580 299 314 ANOSCEUR
22927 288 289 TELEFONICA DE ARGENTINA
7046 279 585 UUNET Technologies, Inc.
6140 271 284 ImpSat USA, Inc.
11492 270 273 Cable One
3215 236 309 France Telecom Transpac
11537 227 233 University Corporation for Ad
3301 225 378 TeliaNet Sweden
4355 224 404 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
8:1 12:606 13:10 15:6 17:3 20:5
24:843 25:1 32:46 38:29 40:15 44:1
55:1 57:15 61:396 62:410 63:1898 64:1306
65:1677 66:1228 67:188 68:178 69:31 80:322
81:82 128:115 129:170 130:19 131:67 132:9
133:2 134:157 135:7 136:500 137:110 138:213
139:55 140:150 141:100 142:92 143:45 144:148
145:18 146:255 147:247 148:273 149:76 150:43
151:90 152:292 153:36 154:7 155:99 156:106
157:57 158:115 159:159 160:21 161:70 162:141
163:87 164:256 165:127 166:94 167:294 168:381
169:56 170:275 171:8 192:5397 193:2376 194:2019
195:877 196:454 198:3595 199:3065 200:2646 202:3525
203:4859 204:3288 205:2196 206:2362 207:2494 208:2579
209:2656 210:624 211:276 212:870 213:757 214:11
215:20 216:3043 217:534 218:66 219:14 220:1
End of report
