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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
* To unsubscribe: send "unsubscribe" to bgp-stats-request@lists.apnic.net *
Routing Table Report 04:00 +10GMT Sun 20 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116013
Prefixes after maximum aggregation: 74618
Unique aggregates announced to Internet: 54873
Total ASes present in the Internet Routing Table: 13928
Origin-only ASes present in the Internet Routing Table: 12062
Origin ASes announcing only one prefix: 5402
Transit ASes present in the Internet Routing Table: 1866
Transit-only ASes present in the Internet Routing Table: 61
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 1
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: 1181327688
Equivalent to 70 /8s, 105 /16s and 161 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.4
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 48171
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18959
Total APNIC prefixes after maximum aggregation: 11428
Prefixes being announced from the APNIC address blocks: 17463
Unique aggregates announced from the APNIC address blocks: 11026
APNIC Region origin ASes present in the Internet Routing Table: 1623
APNIC Region origin ASes announcing only one prefix: 520
APNIC Region transit ASes present in the Internet Routing Table: 274
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 99359136
Equivalent to 5 /8s, 236 /16s and 25 /24s
Percentage of available APNIC address space announced: 65.3
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: 72544
Total ARIN prefixes after maximum aggregation: 46241
Prefixes being announced from the ARIN address blocks: 50904
Unique aggregates announced from the ARIN address blocks: 15390
ARIN Region origin ASes present in the Internet Routing Table: 7831
ARIN Region origin ASes announcing only one prefix: 2582
ARIN Region transit ASes present in the Internet Routing Table: 749
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 181717088
Equivalent to 10 /8s, 212 /16s and 200 /24s
Percentage of available ARIN address space announced: 67.7
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: 19743
Total RIPE prefixes after maximum aggregation: 14896
Prefixes being announced from the RIPE address blocks: 16429
Unique aggregates announced from the RIPE address blocks: 10296
RIPE Region origin ASes present in the Internet Routing Table: 4095
RIPE Region origin ASes announcing only one prefix: 2219
RIPE Region transit ASes present in the Internet Routing Table: 761
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119829312
Equivalent to 7 /8s, 36 /16s and 115 /24s
Percentage of available RIPE address space announced: 79.4
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: 4767
Total LACNIC prefixes after maximum aggregation: 2053
Prefixes being announced from the LACNIC address blocks: 4119
Unique aggregates announced from the LACNIC address blocks: 2639
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11479552
Equivalent to 0 /8s, 175 /16s and 42 /24s
Percentage of available LACNIC address space announced: 68.4
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 1191 1185 869 Telstra Pty Ltd
703 396 368 313 UUNET
2907 350 1751 330 SINET Japan
2764 340 356 312 connect.com.au pty ltd
17557 302 22 117 Pakistan Telecom
7474 299 275 202 Optus Communications Pty Ltd
4134 297 2286 97 Data Communications Bureau
4755 282 139 75 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 229 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 184 57 71 Primus Telecommunications
9583 161 32 5 Satyam Infoway Ltd.,
4515 135 102 76 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
7657 129 23 86 The Internet Group Limited
4716 128 736 122 TTnet
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1787 9189 1273 UUNET Technologies, Inc.
7018 1346 7160 938 AT&T
3908 1073 1651 508 Supernet, Inc.
1239 888 3204 661 Sprint
7843 757 373 305 Adelphia Corp.
852 736 1145 456 Telus Advanced Communications
1 648 8026 424 GENUITY
7046 599 894 300 UUNET Technologies, Inc.
209 574 2065 336 Qwest
7132 532 673 68 Southwestern Bell Internet Se
4323 518 439 164 Time Warner Communications, I
690 517 75 324 Merit Network
705 444 135 205 UUNET Technologies, Inc.
3549 407 726 293 Global Crossing
2548 403 1116 245 Business Internet, Inc.
6197 398 601 40 BellSouth Network Solutions,
6198 396 180 195 BellSouth Network Solutions,
4355 385 306 109 EarthLink, Inc.
2914 369 2020 358 Verio, Inc.
15290 356 214 174 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 869 2390 725 UUNET - Commercial IP service
3301 379 1163 333 TeliaNet Sweden
3215 303 772 169 France Telecom Transpac
3320 244 1966 221 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 212 783 176 Sonera Solution Autonomous Sy
1257 206 414 202 SWIPnet Swedish IP Network
5400 204 83 97 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 169 790 131 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 142 516 141 Swisscom Ltd
3246 122 373 115 Song Networks
12302 122 17 29 MobiFon S.A.
8220 113 168 104 COLT Internet - International
3269 107 692 65 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 103 85 39 Global One Services AB
5511 101 192 84 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 247 114 58 ImpSat USA, Inc.
8151 200 330 109 UniNet S.A. de C.V.
7303 178 27 49 Telecom Argentina Stet-France
11172 168 72 33 Servicios Alestra S.A de C.V
6503 153 190 107 AVANTEL, S.A.
16814 106 7 12 NSS, S.A.
13999 105 20 7 Mega Cable S.A. de C.V.
10620 99 6 30 TVCABLE BOGOTA
11340 79 2 24 Red Universitaria Nacional
15311 76 26 32 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
11992 70 7 30 Integrated Systems
4270 68 18 10 Red de Interconexion Universi
15034 65 5 33 TIBA SA
4926 63 4 51 Telintar S.A.
2277 59 16 3 ECUANET - CORPORACION ECUATOR
8065 59 6 15 Empresas Publicas de Medellin
7927 58 4 40 Global One Venezuela
6535 55 4 15 Chilesat Servicios Empresari
6429 53 68 23 AT&T Chile Internet S.A.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1073 565 Supernet, Inc.
7132 532 464 Southwestern Bell Internet Se
7843 757 452 Adelphia Corp.
7018 1346 408 AT&T
6197 398 358 BellSouth Network Solutions,
4323 518 354 Time Warner Communications, I
1221 1191 322 Telstra Pty Ltd
18566 314 310 Covad Communications
1580 320 307 ANOSCEUR
7046 599 299 UUNET Technologies, Inc.
852 736 280 Telus Advanced Communications
4355 385 276 EarthLink, Inc.
6347 349 273 SAVVIS Communications Corpora
4151 285 269 USDA
705 444 239 UUNET Technologies, Inc.
209 574 238 Qwest
376 341 231 Reseau Interordinateurs Scien
1239 888 227 Sprint
1 648 224 GENUITY
4814 229 214 China Telecom (Group)
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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 /8:18 /9:5 /10:7 /11:12 /12:46
/13:90 /14:241 /15:428 /16:7291 /17:1502 /18:2736
/19:7875 /20:7525 /21:5335 /22:8176 /23:9953 /24:64000
/25:176 /26:223 /27:113 /28:77 /29:53 /30:96
/31:1 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 639 1073 Supernet, Inc.
7843 569 757 Adelphia Corp.
702 536 869 UUNET - Commercial IP service
701 492 1787 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 431 1346 AT&T
6198 312 396 BellSouth Network Solutions,
18566 308 314 Covad Communications
1580 306 320 ANOSCEUR
7046 284 599 UUNET Technologies, Inc.
6197 281 398 BellSouth Network Solutions,
1239 271 888 Sprint
209 255 574 Qwest
3215 229 303 France Telecom Transpac
3301 225 379 TeliaNet Sweden
11492 221 226 Cable One
4355 218 385 EarthLink, Inc.
7066 205 307 Virginia Polytechnic Institut
3320 186 244 Deutsche Telekom AG
5400 184 204 BT Ignite European Backbone
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:569 13:10 15:4 17:7 20:4
24:881 25:1 32:42 38:24 40:10 44:1
55:1 57:14 61:361 62:246 63:1899 64:1280
65:1599 66:1194 67:116 68:168 69:17 80:287
81:61 128:127 129:116 130:19 131:63 132:9
133:2 134:131 135:7 136:511 137:108 138:203
139:71 140:157 141:77 142:69 143:46 144:151
145:18 146:232 147:224 148:253 149:76 150:40
151:93 152:295 153:38 154:8 155:104 156:103
157:103 158:76 159:145 160:20 161:72 162:123
163:84 164:79 165:126 166:104 167:299 168:300
169:61 170:202 171:6 192:5385 193:2375 194:2011
195:813 196:435 198:3624 199:3088 200:2520 202:3485
203:4834 204:3289 205:2110 206:2380 207:2489 208:2569
209:2559 210:598 211:277 212:883 213:796 214:10
215:19 216:2943 217:504 218:49 219:3
End of report
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