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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 Sun 10 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117438
Prefixes after maximum aggregation: 75122
Unique aggregates announced to Internet: 56296
Total ASes present in the Internet Routing Table: 14043
Origin-only ASes present in the Internet Routing Table: 12158
Origin ASes announcing only one prefix: 5479
Transit ASes present in the Internet Routing Table: 1885
Transit-only ASes present in the Internet Routing Table: 64
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: 8
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: 1182493052
Equivalent to 70 /8s, 123 /16s and 105 /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: 49466
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19156
Total APNIC prefixes after maximum aggregation: 11446
Prefixes being announced from the APNIC address blocks: 17695
Unique aggregates announced from the APNIC address blocks: 11197
APNIC Region origin ASes present in the Internet Routing Table: 1638
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: 12
Number of APNIC addresses announced to Internet: 100202944
Equivalent to 5 /8s, 248 /16s and 249 /24s
Percentage of available APNIC address space announced: 65.9
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: 73426
Total ARIN prefixes after maximum aggregation: 46591
Prefixes being announced from the ARIN address blocks: 51308
Unique aggregates announced from the ARIN address blocks: 15618
ARIN Region origin ASes present in the Internet Routing Table: 7890
ARIN Region origin ASes announcing only one prefix: 2633
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: 23
Number of ARIN addresses announced to Internet: 182632928
Equivalent to 10 /8s, 226 /16s and 193 /24s
Percentage of available ARIN address space announced: 68.0
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: 19956
Total RIPE prefixes after maximum aggregation: 14974
Prefixes being announced from the RIPE address blocks: 16624
Unique aggregates announced from the RIPE address blocks: 11153
RIPE Region origin ASes present in the Internet Routing Table: 4133
RIPE Region origin ASes announcing only one prefix: 2242
RIPE Region transit ASes present in the Internet Routing Table: 767
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119205312
Equivalent to 7 /8s, 26 /16s and 237 /24s
Percentage of available RIPE address space announced: 78.9
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: 4893
Total LACNIC prefixes after maximum aggregation: 2111
Prefixes being announced from the LACNIC address blocks: 4243
Unique aggregates announced from the LACNIC address blocks: 2696
LACNIC Region origin ASes present in the Internet Routing Table: 322
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11718912
Equivalent to 0 /8s, 178 /16s and 209 /24s
Percentage of available LACNIC address space announced: 69.9
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 1187 1168 862 Telstra Pty Ltd
703 391 365 310 UUNET
2907 351 1752 330 SINET Japan
2764 336 356 308 connect.com.au pty ltd
17557 316 23 121 Pakistan Telecom
7474 298 279 197 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 273 137 71 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 183 57 71 Primus Telecommunications
9583 165 32 6 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 129 722 123 TTnet
7657 124 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4621 119 11 66 UNINET-TH
4739 118 56 109 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1758 9105 1240 UUNET Technologies, Inc.
7018 1338 7175 933 AT&T
3908 1094 1652 510 Supernet, Inc.
1239 897 3170 661 Sprint
7843 788 374 319 Adelphia Corp.
852 694 1147 468 Telus Advanced Communications
1 664 8106 440 GENUITY
209 630 2062 329 Qwest
7046 586 860 288 UUNET Technologies, Inc.
19029 533 127 28 New Edge Networks
4323 515 451 175 Time Warner Communications, I
690 508 75 319 Merit Network
7066 487 204 256 Virginia Polytechnic Institut
705 440 134 201 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
2548 409 1100 248 Business Internet, Inc.
3549 406 728 290 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
3561 402 2267 347 Cable & Wireless USA
4355 399 311 116 EarthLink, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 824 2350 693 UUNET - Commercial IP service
3301 377 1163 334 TeliaNet Sweden
3215 311 805 173 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
1257 208 415 202 SWIPnet Swedish IP Network
5515 203 766 170 Sonera Solution Autonomous Sy
5400 193 84 111 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 136 9 33 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 114 169 106 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 253 114 58 ImpSat USA, Inc.
8151 209 331 112 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 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 96 6 32 TVCABLE BOGOTA
15311 82 27 36 Telefonica Empresas
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
1916 74 425 41 Fundacao de Amparo a Pesquisa
6535 71 4 15 Chilesat Servicios Empresari
4270 70 18 10 Red de Interconexion Universi
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
7984 62 11 39 Global One Colombia
8065 61 6 16 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 1094 584 Supernet, Inc.
19029 533 505 New Edge Networks
7843 788 469 Adelphia Corp.
7018 1338 405 AT&T
4323 515 340 Time Warner Communications, I
18566 344 340 Covad Communications
1221 1187 325 Telstra Pty Ltd
4151 338 322 USDA
1580 319 306 ANOSCEUR
209 630 301 Qwest
7046 586 298 UUNET Technologies, Inc.
4355 399 283 EarthLink, Inc.
6347 358 283 SAVVIS Communications Corpora
376 343 240 Reseau Interordinateurs Scien
705 440 239 UUNET Technologies, Inc.
6197 439 239 BellSouth Network Solutions,
1239 897 236 Sprint
7066 487 231 Virginia Polytechnic Institut
852 694 226 Telus Advanced Communications
1 664 224 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 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,
64600 PRIVATE 212.95.252.0/23 15409 Dexterus IP network
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 /9:5 /10:8 /11:12 /12:46
/13:90 /14:240 /15:431 /16:7305 /17:1536 /18:2734
/19:7902 /20:7528 /21:5359 /22:8228 /23:9942 /24:65121
/25:160 /26:196 /27:105 /28:104 /29:70 /30:224
/31:19 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 642 1094 Supernet, Inc.
7843 601 788 Adelphia Corp.
19029 499 533 New Edge Networks
702 496 824 UUNET - Commercial IP service
701 491 1758 UUNET Technologies, Inc.
690 456 508 Merit Network
7018 433 1338 AT&T
7066 386 487 Virginia Polytechnic Institut
18566 339 344 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 317 630 Qwest
1580 305 319 ANOSCEUR
1239 284 897 Sprint
7046 278 586 UUNET Technologies, Inc.
3215 235 311 France Telecom Transpac
11492 228 233 Cable One
3301 223 377 TeliaNet Sweden
4355 223 399 EarthLink, Inc.
11537 220 226 University Corporation for Ad
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:589 13:10 15:4 17:2
20:6 24:913 25:1 32:49 38:27 40:13
44:1 55:1 57:16 61:373 62:385 63:1897
64:1388 65:1658 66:1218 67:126 68:204 69:19
80:296 81:69 128:121 129:110 130:22 131:64
132:9 133:2 134:142 135:7 136:412 137:110
138:216 139:76 140:154 141:88 142:86 143:46
144:149 145:18 146:254 147:249 148:256 149:76
150:42 151:86 152:283 153:36 154:8 155:103
156:104 157:104 158:90 159:149 160:24 161:72
162:131 163:85 164:256 165:137 166:93 167:300
168:309 169:56 170:241 171:6 192:5416 193:2373
194:1987 195:845 196:439 198:3602 199:3085 200:2595
202:3524 203:4856 204:3280 205:2103 206:2360 207:2452
208:2557 209:2806 210:612 211:283 212:882 213:778
214:11 215:20 216:3045 217:499 218:51 219:7
End of report
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