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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 27 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 119532
Prefixes after maximum aggregation: 75426
Unique aggregates announced to Internet: 56445
Total ASes present in the Internet Routing Table: 14141
Origin-only ASes present in the Internet Routing Table: 12242
Origin ASes announcing only one prefix: 5536
Transit ASes present in the Internet Routing Table: 1899
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
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: 1184576605
Equivalent to 70 /8s, 155 /16s and 52 /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: 54652
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19192
Total APNIC prefixes after maximum aggregation: 11400
Prefixes being announced from the APNIC address blocks: 17709
Unique aggregates announced from the APNIC address blocks: 11084
APNIC Region origin ASes present in the Internet Routing Table: 1650
APNIC Region origin ASes announcing only one prefix: 527
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: 13
Number of APNIC addresses announced to Internet: 100699552
Equivalent to 6 /8s, 0 /16s and 141 /24s
Percentage of available APNIC address space announced: 66.2
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: 75336
Total ARIN prefixes after maximum aggregation: 46860
Prefixes being announced from the ARIN address blocks: 52810
Unique aggregates announced from the ARIN address blocks: 15723
ARIN Region origin ASes present in the Internet Routing Table: 7937
ARIN Region origin ASes announcing only one prefix: 2670
ARIN Region transit ASes present in the Internet Routing Table: 759
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 183829984
Equivalent to 10 /8s, 245 /16s and 5 /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: 20128
Total RIPE prefixes after maximum aggregation: 15075
Prefixes being announced from the RIPE address blocks: 16764
Unique aggregates announced from the RIPE address blocks: 11125
RIPE Region origin ASes present in the Internet Routing Table: 4168
RIPE Region origin ASes announcing only one prefix: 2259
RIPE Region transit ASes present in the Internet Routing Table: 774
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 120200128
Equivalent to 7 /8s, 42 /16s and 27 /24s
Percentage of available RIPE address space announced: 79.6
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: 4876
Total LACNIC prefixes after maximum aggregation: 2091
Prefixes being announced from the LACNIC address blocks: 4259
Unique aggregates announced from the LACNIC address blocks: 2757
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: 67
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC addresses announced to Internet: 11750400
Equivalent to 0 /8s, 179 /16s and 76 /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 1170 1184 846 Telstra Pty Ltd
703 394 363 310 UUNET
2907 354 1767 332 SINET Japan
2764 341 341 309 connect.com.au pty ltd
7474 306 279 202 Optus Communications Pty Ltd
17557 306 22 123 Pakistan Telecom
4134 301 2361 103 Data Communications Bureau
4755 281 136 72 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 235 1807 151 Korea Internet Exchange for "
17676 230 3570 27 XTAGE CORPORATION
9443 183 57 72 Primus Telecommunications
9583 175 33 11 Satyam Infoway Ltd.,
4515 144 102 76 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
7657 126 25 91 The Internet Group Limited
9800 126 189 28 CHINA UNICOM
4739 121 56 111 Commerical Internet eXchange
7713 113 45 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2447 1668 507 Supernet, Inc.
701 1741 9057 1245 UUNET Technologies, Inc.
7018 1402 7181 979 AT&T
1239 911 3172 658 Sprint
852 668 1147 466 Telus Advanced Communications
7843 664 392 279 Adelphia Corp.
1 652 8090 436 GENUITY
209 592 2048 337 Qwest
7046 586 862 284 UUNET Technologies, Inc.
19029 572 127 27 New Edge Networks
4323 525 455 166 Time Warner Communications, I
690 507 74 319 Merit Network
7066 491 204 258 Virginia Polytechnic Institut
6197 443 236 202 BellSouth Network Solutions,
705 440 134 200 UUNET Technologies, Inc.
6198 415 177 198 BellSouth Network Solutions,
3561 411 2234 352 Cable & Wireless USA
3549 405 742 297 Global Crossing
4355 403 313 118 EarthLink, Inc.
2548 384 1036 237 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 823 2346 687 UUNET - Commercial IP service
3301 380 1163 335 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 172 1304 134 BTnet UK Regional network
8708 153 41 146 Romania Data Systems S.A.
3303 145 517 144 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 118 375 115 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 268 114 57 ImpSat USA, Inc.
8151 211 331 112 UniNet S.A. de C.V.
7303 182 28 46 Telecom Argentina Stet-France
11172 167 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 98 6 32 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 68 18 10 Red de Interconexion Universi
11992 68 7 28 Integrated Systems
6147 65 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 63 11 40 Global One Colombia
8065 60 6 15 Empresas Publicas de Medellin
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
19029 572 545 New Edge Networks
701 1741 496 UUNET Technologies, Inc.
7018 1402 423 AT&T
7843 664 385 Adelphia Corp.
18566 371 366 Covad Communications
4323 525 359 Time Warner Communications, I
1221 1170 324 Telstra Pty Ltd
7046 586 302 UUNET Technologies, Inc.
1580 315 302 ANOSCEUR
4151 351 292 USDA
6347 362 287 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 270 259 Cable One
209 592 255 Qwest
22927 275 255 TELEFONICA DE ARGENTINA
1239 911 253 Sprint
6197 443 241 BellSouth Network Solutions,
705 440 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
7066 491 233 Virginia Polytechnic Institut
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 /12:46
/13:91 /14:235 /15:440 /16:7311 /17:1541 /18:2764
/19:7978 /20:7663 /21:5465 /22:8351 /23:10130 /24:66524
/25:159 /26:191 /27:102 /28:106 /29:72 /30:238
/31:19 /32:67
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 976 2447 Supernet, Inc.
19029 539 572 New Edge Networks
701 505 1741 UUNET Technologies, Inc.
702 503 823 UUNET - Commercial IP service
7843 460 664 Adelphia Corp.
7018 458 1402 AT&T
690 455 507 Merit Network
7066 388 491 Virginia Polytechnic Institut
18566 364 371 Covad Communications
6197 333 443 BellSouth Network Solutions,
6198 333 415 BellSouth Network Solutions,
1239 304 911 Sprint
1580 301 315 ANOSCEUR
209 280 592 Qwest
7046 277 586 UUNET Technologies, Inc.
22927 274 275 TELEFONICA DE ARGENTINA
11492 268 270 Cable One
6140 256 268 ImpSat USA, Inc.
3215 237 311 France Telecom Transpac
3301 226 380 TeliaNet Sweden
Number of /24s announced per /8 block (Global)
----------------------------------------------
8:1 12:607 13:10 15:4 17:3 20:5
24:851 25:1 32:46 38:28 40:13 44:1
55:1 57:15 61:393 62:387 63:1942 64:1342
65:1708 66:1219 67:185 68:177 69:22 80:315
81:85 128:120 129:144 130:19 131:67 132:9
133:2 134:157 135:7 136:478 137:109 138:216
139:81 140:155 141:92 142:89 143:46 144:149
145:18 146:254 147:244 148:259 149:77 150:43
151:87 152:289 153:36 154:8 155:100 156:106
157:53 158:108 159:153 160:21 161:72 162:138
163:87 164:255 165:138 166:94 167:295 168:372
169:56 170:268 171:6 192:5416 193:2382 194:2013
195:841 196:456 198:3707 199:3116 200:2613 202:3456
203:4837 204:3620 205:2428 206:2372 207:2534 208:2591
209:2884 210:617 211:289 212:848 213:797 214:12
215:20 216:3147 217:511 218:65 219:14
End of report
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