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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 Thu 07 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116925
Prefixes after maximum aggregation: 75043
Unique aggregates announced to Internet: 56193
Total ASes present in the Internet Routing Table: 14035
Origin-only ASes present in the Internet Routing Table: 12159
Origin ASes announcing only one prefix: 5474
Transit ASes present in the Internet Routing Table: 1876
Transit-only ASes present in the Internet Routing Table: 63
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: 7
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: 1183020392
Equivalent to 70 /8s, 131 /16s and 117 /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: 48977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19160
Total APNIC prefixes after maximum aggregation: 11451
Prefixes being announced from the APNIC address blocks: 17658
Unique aggregates announced from the APNIC address blocks: 11178
APNIC Region origin ASes present in the Internet Routing Table: 1636
APNIC Region origin ASes announcing only one prefix: 521
APNIC Region transit ASes present in the Internet Routing Table: 284
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100209344
Equivalent to 5 /8s, 249 /16s and 18 /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: 72979
Total ARIN prefixes after maximum aggregation: 46523
Prefixes being announced from the ARIN address blocks: 51254
Unique aggregates announced from the ARIN address blocks: 15580
ARIN Region origin ASes present in the Internet Routing Table: 7881
ARIN Region origin ASes announcing only one prefix: 2624
ARIN Region transit ASes present in the Internet Routing Table: 746
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182634208
Equivalent to 10 /8s, 226 /16s and 198 /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: 19919
Total RIPE prefixes after maximum aggregation: 14981
Prefixes being announced from the RIPE address blocks: 16608
Unique aggregates announced from the RIPE address blocks: 11174
RIPE Region origin ASes present in the Internet Routing Table: 4138
RIPE Region origin ASes announcing only one prefix: 2248
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: 119063744
Equivalent to 7 /8s, 24 /16s and 196 /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: 4861
Total LACNIC prefixes after maximum aggregation: 2088
Prefixes being announced from the LACNIC address blocks: 4205
Unique aggregates announced from the LACNIC address blocks: 2643
LACNIC Region origin ASes present in the Internet Routing Table: 320
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: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11689728
Equivalent to 0 /8s, 178 /16s and 95 /24s
Percentage of available LACNIC address space announced: 69.7
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 1190 1169 864 Telstra Pty Ltd
703 393 365 312 UUNET
2907 351 1767 330 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 319 23 122 Pakistan Telecom
7474 299 279 198 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 279 138 74 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 164 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 129 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4621 119 11 65 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 1762 9139 1248 UUNET Technologies, Inc.
7018 1342 7177 939 AT&T
3908 1089 1668 510 Supernet, Inc.
1239 896 3171 664 Sprint
7843 782 374 314 Adelphia Corp.
852 694 1147 468 Telus Advanced Communications
1 664 8106 439 GENUITY
209 635 2064 334 Qwest
7046 588 877 294 UUNET Technologies, Inc.
4323 516 439 164 Time Warner Communications, I
690 513 75 322 Merit Network
19029 469 127 30 New Edge Networks
705 443 134 203 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3549 409 728 293 Global Crossing
6198 404 176 198 BellSouth Network Solutions,
2548 401 1115 242 Business Internet, Inc.
3561 398 2267 343 Cable & Wireless USA
4355 397 311 116 EarthLink, Inc.
2914 372 2038 364 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 824 2366 692 UUNET - Commercial IP service
3301 378 1164 335 TeliaNet Sweden
3215 312 805 174 France Telecom Transpac
3320 246 1964 222 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 209 415 204 SWIPnet Swedish IP Network
5400 193 84 111 BT Ignite European Backbone
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 174 1304 134 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 135 9 32 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 373 115 Song Networks
8220 112 169 104 COLT Internet - International
3269 110 752 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 210 330 111 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 153 191 107 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 77 27 33 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
4270 70 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 61 16 3 ECUANET - CORPORACION ECUATOR
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
7927 55 5 39 Global One Venezuela
6535 54 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1089 579 Supernet, Inc.
7843 782 468 Adelphia Corp.
19029 469 439 New Edge Networks
7018 1342 403 AT&T
4323 516 352 Time Warner Communications, I
18566 343 339 Covad Communications
1221 1190 326 Telstra Pty Ltd
4151 337 321 USDA
1580 321 308 ANOSCEUR
209 635 301 Qwest
7046 588 294 UUNET Technologies, Inc.
6347 358 283 SAVVIS Communications Corpora
4355 397 281 EarthLink, Inc.
376 348 243 Reseau Interordinateurs Scien
705 443 240 UUNET Technologies, Inc.
6197 439 239 BellSouth Network Solutions,
1239 896 232 Sprint
852 694 226 Telus Advanced Communications
1 664 225 GENUITY
11492 232 221 Cable One
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,
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 /14:239 /15:429 /16:7318 /17:1529 /18:2728
/19:7899 /20:7525 /21:5362 /22:8223 /23:9926 /24:64858
/25:163 /26:198 /27:101 /28:84 /29:52 /30:86
/31:0 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 637 1089 Supernet, Inc.
7843 595 782 Adelphia Corp.
702 495 824 UUNET - Commercial IP service
701 492 1762 UUNET Technologies, Inc.
690 461 513 Merit Network
19029 435 469 New Edge Networks
7018 433 1342 AT&T
18566 338 343 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 320 404 BellSouth Network Solutions,
209 316 635 Qwest
1580 307 321 ANOSCEUR
1239 282 896 Sprint
7046 273 588 UUNET Technologies, Inc.
3215 236 312 France Telecom Transpac
11492 227 232 Cable One
3301 224 378 TeliaNet Sweden
4355 221 397 EarthLink, Inc.
7066 205 305 Virginia Polytechnic Institut
3320 189 246 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:577 13:10 15:4 17:2
20:5 24:906 25:1 32:47 38:26 40:13
44:1 55:1 57:15 61:371 62:385 63:1924
64:1370 65:1654 66:1206 67:123 68:200 69:16
80:288 81:65 128:129 129:108 130:22 131:64
132:9 133:2 134:143 135:7 136:412 137:108
138:217 139:78 140:154 141:87 142:105 143:46
144:149 145:18 146:253 147:224 148:253 149:77
150:41 151:87 152:288 153:36 154:8 155:103
156:104 157:105 158:87 159:150 160:20 161:74
162:129 163:88 164:79 165:138 166:92 167:305
168:308 169:60 170:236 171:6 192:5420 193:2380
194:1985 195:840 196:440 198:3609 199:3083 200:2558
202:3494 203:4864 204:3286 205:2110 206:2370 207:2459
208:2556 209:2792 210:618 211:283 212:880 213:776
214:11 215:20 216:3044 217:497 218:51 219:7
End of report
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