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[bgp-stats]Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 28 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 119584
Prefixes after maximum aggregation: 75463
Unique aggregates announced to Internet: 56549
Total ASes present in the Internet Routing Table: 14134
Origin-only ASes present in the Internet Routing Table: 12251
Origin ASes announcing only one prefix: 5538
Transit ASes present in the Internet Routing Table: 1883
Transit-only ASes present in the Internet Routing Table: 62
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: 1184801373
Equivalent to 70 /8s, 158 /16s and 162 /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: 54598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19273
Total APNIC prefixes after maximum aggregation: 11446
Prefixes being announced from the APNIC address blocks: 17780
Unique aggregates announced from the APNIC address blocks: 11167
APNIC Region origin ASes present in the Internet Routing Table: 1652
APNIC Region origin ASes announcing only one prefix: 526
APNIC Region transit ASes present in the Internet Routing Table: 290
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 11
Number of APNIC addresses announced to Internet: 100758944
Equivalent to 6 /8s, 1 /16s and 117 /24s
Percentage of available APNIC address space announced: 66.3
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: 75299
Total ARIN prefixes after maximum aggregation: 46859
Prefixes being announced from the ARIN address blocks: 52739
Unique aggregates announced from the ARIN address blocks: 15736
ARIN Region origin ASes present in the Internet Routing Table: 7938
ARIN Region origin ASes announcing only one prefix: 2671
ARIN Region transit ASes present in the Internet Routing Table: 748
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 183698400
Equivalent to 10 /8s, 243 /16s and 3 /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: 20129
Total RIPE prefixes after maximum aggregation: 15068
Prefixes being announced from the RIPE address blocks: 16765
Unique aggregates announced from the RIPE address blocks: 11148
RIPE Region origin ASes present in the Internet Routing Table: 4163
RIPE Region origin ASes announcing only one prefix: 2261
RIPE Region transit ASes present in the Internet Routing Table: 762
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 120191424
Equivalent to 7 /8s, 41 /16s and 249 /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: 4883
Total LACNIC prefixes after maximum aggregation: 2090
Prefixes being announced from the LACNIC address blocks: 4271
Unique aggregates announced from the LACNIC address blocks: 2758
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: 70
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11746560
Equivalent to 0 /8s, 179 /16s and 61 /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 1172 1184 848 Telstra Pty Ltd
703 395 364 311 UUNET
2907 353 1751 332 SINET Japan
2764 341 341 309 connect.com.au pty ltd
7474 308 280 203 Optus Communications Pty Ltd
17557 307 22 122 Pakistan Telecom
4134 301 2361 103 Data Communications Bureau
4755 273 136 71 Videsh Sanchar Nigam Ltd. Aut
4814 249 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 230 3570 27 XTAGE CORPORATION
9443 183 57 72 Primus Telecommunications
9583 175 33 11 Satyam Infoway Ltd.,
9768 135 385 74 Korea Telecom
4716 130 724 124 TTnet
7657 126 25 91 The Internet Group Limited
9800 126 189 28 CHINA UNICOM
4739 120 56 110 Commerical Internet eXchange
4621 118 11 67 UNINET-TH
4515 113 102 47 Star Internet Services Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2437 1667 503 Supernet, Inc.
701 1741 9056 1244 UUNET Technologies, Inc.
7018 1394 7160 972 AT&T
1239 912 3172 659 Sprint
852 668 1147 466 Telus Advanced Communications
7843 662 396 283 Adelphia Corp.
1 655 8090 437 GENUITY
7046 587 862 285 UUNET Technologies, Inc.
19029 574 127 27 New Edge Networks
4323 526 455 167 Time Warner Communications, I
209 522 2048 337 Qwest
690 506 74 319 Merit Network
7066 491 204 258 Virginia Polytechnic Institut
6197 444 236 202 BellSouth Network Solutions,
705 438 134 198 UUNET Technologies, Inc.
6198 415 177 198 BellSouth Network Solutions,
3561 411 2234 352 Cable & Wireless USA
3549 404 742 296 Global Crossing
4355 403 313 118 EarthLink, Inc.
18566 373 96 5 Covad Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 823 2346 687 UUNET - Commercial IP service
3301 379 1163 334 TeliaNet Sweden
3215 309 789 172 France Telecom Transpac
3320 247 1964 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
719 190 306 129 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
5400 175 76 104 BT Ignite European Backbone
2856 173 1302 135 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 145 517 144 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 124 18 31 MobiFon S.A.
3246 119 379 116 Song Networks
8220 118 173 110 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 104 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 210 331 112 UniNet S.A. de C.V.
7303 182 28 46 Telecom Argentina Stet-France
11172 166 88 34 Servicios Alestra S.A de C.V
6503 155 191 107 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
8065 66 6 15 Empresas Publicas de Medellin
6147 65 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 63 11 40 Global One Colombia
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 574 547 New Edge Networks
701 1741 497 UUNET Technologies, Inc.
7018 1394 422 AT&T
7843 662 379 Adelphia Corp.
18566 373 368 Covad Communications
4323 526 359 Time Warner Communications, I
1221 1172 324 Telstra Pty Ltd
7046 587 302 UUNET Technologies, Inc.
1580 314 301 ANOSCEUR
4151 352 295 USDA
6347 362 287 SAVVIS Communications Corpora
4355 403 285 EarthLink, Inc.
11492 270 259 Cable One
22927 275 255 TELEFONICA DE ARGENTINA
1239 912 253 Sprint
6197 444 242 BellSouth Network Solutions,
705 438 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
4814 249 234 China Telecom (Group)
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 /14:236 /15:440 /16:7311 /17:1541 /18:2763
/19:7974 /20:7662 /21:5459 /22:8383 /23:10116 /24:66629
/25:145 /26:178 /27:88 /28:98 /29:70 /30:236
/31:19 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 973 2437 Supernet, Inc.
19029 541 574 New Edge Networks
701 507 1741 UUNET Technologies, Inc.
702 503 823 UUNET - Commercial IP service
7018 457 1394 AT&T
690 455 506 Merit Network
7843 454 662 Adelphia Corp.
7066 388 491 Virginia Polytechnic Institut
18566 366 373 Covad Communications
6197 334 444 BellSouth Network Solutions,
6198 333 415 BellSouth Network Solutions,
1239 304 912 Sprint
1580 300 314 ANOSCEUR
7046 278 587 UUNET Technologies, Inc.
22927 274 275 TELEFONICA DE ARGENTINA
11492 268 270 Cable One
6140 256 268 ImpSat USA, Inc.
3215 235 309 France Telecom Transpac
3301 226 379 TeliaNet Sweden
4355 223 403 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
8:1 12:609 13:10 15:4 17:3 20:5
24:847 25:1 32:46 38:28 40:15 44:1
55:1 57:15 61:396 62:398 63:1925 64:1340
65:1679 66:1224 67:188 68:179 69:21 80:314
81:89 128:119 129:169 130:19 131:67 132:9
133:2 134:157 135:7 136:493 137:109 138:216
139:81 140:155 141:92 142:89 143:46 144:148
145:18 146:251 147:243 148:258 149:77 150:43
151:87 152:289 153:36 154:7 155:100 156:106
157:54 158:109 159:156 160:21 161:72 162:138
163:88 164:255 165:138 166:94 167:295 168:372
169:56 170:271 171:6 192:5413 193:2378 194:2012
195:842 196:457 198:3709 199:3117 200:2622 202:3562
203:4830 204:3620 205:2419 206:2379 207:2524 208:2589
209:2884 210:616 211:278 212:869 213:793 214:12
215:20 216:3141 217:507 218:65 219:14
End of report
