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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 Mon 25 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 120000
Prefixes after maximum aggregation: 75456
Unique aggregates announced to Internet: 56486
Total ASes present in the Internet Routing Table: 14127
Origin-only ASes present in the Internet Routing Table: 12223
Origin ASes announcing only one prefix: 5534
Transit ASes present in the Internet Routing Table: 1904
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 5.4
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: 1182297181
Equivalent to 70 /8s, 120 /16s and 108 /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: 55017
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19268
Total APNIC prefixes after maximum aggregation: 11458
Prefixes being announced from the APNIC address blocks: 17807
Unique aggregates announced from the APNIC address blocks: 11191
APNIC Region origin ASes present in the Internet Routing Table: 1650
APNIC Region origin ASes announcing only one prefix: 526
APNIC Region transit ASes present in the Internet Routing Table: 293
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 98601120
Equivalent to 5 /8s, 224 /16s and 136 /24s
Percentage of available APNIC address space announced: 64.9
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: 75756
Total ARIN prefixes after maximum aggregation: 46821
Prefixes being announced from the ARIN address blocks: 53219
Unique aggregates announced from the ARIN address blocks: 15704
ARIN Region origin ASes present in the Internet Routing Table: 7927
ARIN Region origin ASes announcing only one prefix: 2665
ARIN Region transit ASes present in the Internet Routing Table: 760
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183649504
Equivalent to 10 /8s, 242 /16s and 68 /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: 20123
Total RIPE prefixes after maximum aggregation: 15067
Prefixes being announced from the RIPE address blocks: 16767
Unique aggregates announced from the RIPE address blocks: 11145
RIPE Region origin ASes present in the Internet Routing Table: 4162
RIPE Region origin ASes announcing only one prefix: 2263
RIPE Region transit ASes present in the Internet Routing Table: 770
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 120070848
Equivalent to 7 /8s, 40 /16s and 34 /24s
Percentage of available RIPE address space announced: 79.5
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, 82/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4853
Total LACNIC prefixes after maximum aggregation: 2110
Prefixes being announced from the LACNIC address blocks: 4234
Unique aggregates announced from the LACNIC address blocks: 2737
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11745536
Equivalent to 0 /8s, 179 /16s and 57 /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 1174 1184 850 Telstra Pty Ltd
703 396 364 312 UUNET
2907 351 1767 330 SINET Japan
2764 335 340 305 connect.com.au pty ltd
17557 307 22 122 Pakistan Telecom
7474 306 279 202 Optus Communications Pty Ltd
4134 299 2351 101 Data Communications Bureau
4755 271 137 71 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 233 1487 149 Korea Internet Exchange for "
17676 225 3490 31 XTAGE CORPORATION
9443 183 57 72 Primus Telecommunications
9583 174 33 11 Satyam Infoway Ltd.,
4515 144 102 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 116 11 67 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2504 1668 511 Supernet, Inc.
701 1742 9058 1247 UUNET Technologies, Inc.
7018 1399 7180 977 AT&T
1239 911 3172 658 Sprint
577 704 539 220 Bell Advanced Communications
852 666 1147 465 Telus Advanced Communications
7843 666 391 278 Adelphia Corp.
1 657 8090 437 GENUITY
209 588 2048 335 Qwest
7046 585 861 283 UUNET Technologies, Inc.
19029 573 127 28 New Edge Networks
4323 525 455 166 Time Warner Communications, I
690 507 74 319 Merit Network
7066 489 204 257 Virginia Polytechnic Institut
6197 443 236 202 BellSouth Network Solutions,
705 438 134 198 UUNET Technologies, Inc.
6198 414 177 198 BellSouth Network Solutions,
3561 413 2234 354 Cable & Wireless USA
3549 406 743 292 Global Crossing
4355 403 313 118 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 822 2330 687 UUNET - Commercial IP service
3301 382 1164 337 TeliaNet Sweden
3215 311 789 172 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 122 17 29 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
2874 102 85 39 Global One Services AB
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
11340 79 2 30 Red Universitaria Nacional
1916 73 409 40 Fundacao de Amparo a Pesquisa
15311 73 27 37 Telefonica Empresas
6535 72 5 16 Chilesat Servicios Empresari
4270 70 18 10 Red de Interconexion Universi
11992 67 7 29 Integrated Systems
6147 65 57 23 Telefonica Del Peru
7984 63 11 40 Global One Colombia
4926 62 4 50 Telintar S.A.
8065 60 6 15 Empresas Publicas de Medellin
15034 58 5 32 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 573 545 New Edge Networks
701 1742 495 UUNET Technologies, Inc.
577 704 484 Bell Advanced Communications
7018 1399 422 AT&T
7843 666 388 Adelphia Corp.
18566 370 365 Covad Communications
4323 525 359 Time Warner Communications, I
1221 1174 324 Telstra Pty Ltd
7046 585 302 UUNET Technologies, Inc.
1580 312 299 ANOSCEUR
4151 349 290 USDA
6347 362 287 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 270 259 Cable One
22927 275 255 TELEFONICA DE ARGENTINA
1239 911 253 Sprint
209 588 253 Qwest
6197 443 241 BellSouth Network Solutions,
705 438 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
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 /12:45
/13:89 /14:234 /15:438 /16:7303 /17:1540 /18:2754
/19:7980 /20:7657 /21:5452 /22:8754 /23:10133 /24:66622
/25:160 /26:192 /27:111 /28:102 /29:72 /30:237
/31:19 /32:67
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 998 2504 Supernet, Inc.
19029 539 573 New Edge Networks
701 507 1742 UUNET Technologies, Inc.
702 504 822 UUNET - Commercial IP service
7843 463 666 Adelphia Corp.
7018 457 1399 AT&T
690 455 507 Merit Network
577 404 704 Bell Advanced Communications
7066 387 489 Virginia Polytechnic Institut
18566 363 370 Covad Communications
6197 333 443 BellSouth Network Solutions,
6198 332 414 BellSouth Network Solutions,
1239 305 911 Sprint
1580 298 312 ANOSCEUR
209 279 588 Qwest
7046 277 585 UUNET Technologies, Inc.
22927 274 275 TELEFONICA DE ARGENTINA
11492 268 270 Cable One
6140 255 267 ImpSat USA, Inc.
3215 236 311 France Telecom Transpac
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:605 13:10 15:4 17:3
20:5 24:852 25:1 32:46 38:28 40:13
44:1 55:1 57:15 61:392 62:384 63:1950
64:1351 65:1704 66:1210 67:185 68:179 69:22
80:315 81:83 128:119 129:141 130:19 131:67
132:9 133:2 134:149 135:7 136:488 137:109
138:216 139:80 140:153 141:91 142:88 143:46
144:147 145:18 146:254 147:244 148:259 149:77
150:43 151:85 152:302 153:36 154:8 155:100
156:108 157:53 158:110 159:153 160:21 161:72
162:137 163:87 164:254 165:138 166:94 167:296
168:369 169:56 170:262 171:6 192:5417 193:2374
194:2009 195:846 196:456 198:3711 199:3103 200:2582
202:3555 203:4831 204:3635 205:2423 206:2378 207:2537
208:2589 209:2889 210:619 211:295 212:884 213:794
214:12 215:20 216:3145 217:510 218:65 219:7
End of report
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