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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 27 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116454
Prefixes after maximum aggregation: 74703
Unique aggregates announced to Internet: 55630
Total ASes present in the Internet Routing Table: 13958
Origin-only ASes present in the Internet Routing Table: 12098
Origin ASes announcing only one prefix: 5432
Transit ASes present in the Internet Routing Table: 1860
Transit-only ASes present in the Internet Routing Table: 59
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: 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: 1180950120
Equivalent to 70 /8s, 99 /16s and 222 /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: 48573
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19024
Total APNIC prefixes after maximum aggregation: 11453
Prefixes being announced from the APNIC address blocks: 17513
Unique aggregates announced from the APNIC address blocks: 11099
APNIC Region origin ASes present in the Internet Routing Table: 1628
APNIC Region origin ASes announcing only one prefix: 521
APNIC Region transit ASes present in the Internet Routing Table: 275
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 99483040
Equivalent to 5 /8s, 237 /16s and 253 /24s
Percentage of available APNIC address space announced: 65.4
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: 72949
Total ARIN prefixes after maximum aggregation: 46298
Prefixes being announced from the ARIN address blocks: 51320
Unique aggregates announced from the ARIN address blocks: 15434
ARIN Region origin ASes present in the Internet Routing Table: 7851
ARIN Region origin ASes announcing only one prefix: 2602
ARIN Region transit ASes present in the Internet Routing Table: 745
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 182128608
Equivalent to 10 /8s, 219 /16s and 15 /24s
Percentage of available ARIN address space announced: 67.8
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: 19666
Total RIPE prefixes after maximum aggregation: 14882
Prefixes being announced from the RIPE address blocks: 16403
Unique aggregates announced from the RIPE address blocks: 10932
RIPE Region origin ASes present in the Internet Routing Table: 4105
RIPE Region origin ASes announcing only one prefix: 2230
RIPE Region transit ASes present in the Internet Routing Table: 757
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 118477024
Equivalent to 7 /8s, 15 /16s and 208 /24s
Percentage of available RIPE address space announced: 78.5
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: 4809
Total LACNIC prefixes after maximum aggregation: 2070
Prefixes being announced from the LACNIC address blocks: 4161
Unique aggregates announced from the LACNIC address blocks: 2651
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 79
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: 11600384
Equivalent to 0 /8s, 177 /16s and 2 /24s
Percentage of available LACNIC address space announced: 69.1
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 1188 1169 866 Telstra Pty Ltd
703 395 368 313 UUNET
2907 350 1751 330 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 321 23 121 Pakistan Telecom
4134 296 2286 97 Data Communications Bureau
7474 294 275 201 Optus Communications Pty Ltd
4755 279 138 74 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 232 79 15 China Telecom (Group)
17676 224 3506 31 XTAGE CORPORATION
9443 185 57 73 Primus Telecommunications
9583 159 32 5 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 136 385 75 Korea Telecom
4716 128 720 122 TTnet
7657 128 23 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 112 1044 101 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1776 9172 1266 UUNET Technologies, Inc.
7018 1345 7184 936 AT&T
3908 1075 1668 510 Supernet, Inc.
1239 883 3185 657 Sprint
7843 763 374 309 Adelphia Corp.
852 736 1146 457 Telus Advanced Communications
1 661 8058 436 GENUITY
7046 591 892 293 UUNET Technologies, Inc.
209 579 2069 340 Qwest
4323 519 439 164 Time Warner Communications, I
690 517 75 324 Merit Network
2828 474 598 104 XO Communications
705 442 134 202 UUNET Technologies, Inc.
3549 408 725 294 Global Crossing
2548 401 1115 244 Business Internet, Inc.
6197 400 601 40 BellSouth Network Solutions,
6198 396 180 197 BellSouth Network Solutions,
4355 385 306 109 EarthLink, Inc.
2914 368 2022 361 Verio, Inc.
15290 354 212 173 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 866 2374 719 UUNET - Commercial IP service
3301 376 1161 333 TeliaNet Sweden
3215 307 789 172 France Telecom Transpac
3320 243 1964 220 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 211 783 176 Sonera Solution Autonomous Sy
1257 207 414 202 SWIPnet Swedish IP Network
5400 200 83 95 BT Ignite European Backbone
719 183 306 128 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 170 1302 132 BTnet UK Regional network
8708 159 41 147 Romania Data Systems S.A.
3303 142 516 141 Swisscom Ltd
12302 121 17 28 MobiFon S.A.
3246 120 373 115 Song Networks
8220 114 168 105 COLT Internet - International
3269 108 722 64 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
5511 96 191 80 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 255 114 58 ImpSat USA, Inc.
8151 209 330 110 UniNet S.A. de C.V.
7303 180 28 50 Telecom Argentina Stet-France
11172 167 72 33 Servicios Alestra S.A de C.V
6503 153 191 107 AVANTEL, S.A.
13999 111 29 14 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11340 80 2 25 Red Universitaria Nacional
11992 80 8 30 Integrated Systems
15311 76 26 32 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
4270 68 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 60 16 3 ECUANET - CORPORACION ECUATOR
8065 60 6 15 Empresas Publicas de Medellin
15034 59 5 32 TIBA SA
6535 54 4 15 Chilesat Servicios Empresari
7927 54 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1075 565 Supernet, Inc.
7843 763 454 Adelphia Corp.
7018 1345 409 AT&T
2828 474 370 XO Communications
6197 400 360 BellSouth Network Solutions,
4323 519 355 Time Warner Communications, I
1221 1188 322 Telstra Pty Ltd
18566 325 321 Covad Communications
4151 329 313 USDA
1580 320 307 ANOSCEUR
7046 591 298 UUNET Technologies, Inc.
852 736 279 Telus Advanced Communications
6347 353 279 SAVVIS Communications Corpora
4355 385 276 EarthLink, Inc.
7132 314 244 Southwestern Bell Internet Se
705 442 240 UUNET Technologies, Inc.
209 579 239 Qwest
376 334 231 Reseau Interordinateurs Scien
1239 883 226 Sprint
1 661 225 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,
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 /14:238 /15:426 /16:7288 /17:1512 /18:2748
/19:7884 /20:7490 /21:5351 /22:8207 /23:9947 /24:64456
/25:173 /26:199 /27:105 /28:77 /29:54 /30:93
/31:1 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 637 1075 Supernet, Inc.
7843 574 763 Adelphia Corp.
702 535 866 UUNET - Commercial IP service
701 495 1776 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 436 1345 AT&T
2828 370 474 XO Communications
18566 320 325 Covad Communications
6198 312 396 BellSouth Network Solutions,
1580 306 320 ANOSCEUR
6197 283 400 BellSouth Network Solutions,
7046 277 591 UUNET Technologies, Inc.
1239 268 883 Sprint
209 261 579 Qwest
3215 232 307 France Telecom Transpac
11492 224 229 Cable One
3301 223 376 TeliaNet Sweden
4355 218 385 EarthLink, Inc.
7066 205 306 Virginia Polytechnic Institut
19029 195 223 New Edge Networks
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:581 13:10 15:4 17:6 20:4
24:899 25:1 32:41 38:26 40:11 44:1
55:1 57:14 61:366 62:235 63:1903 64:1354
65:1611 66:1201 67:117 68:179 69:16 80:284
81:61 128:128 129:106 130:18 131:63 132:9
133:2 134:140 135:7 136:405 137:108 138:205
139:71 140:155 141:77 142:82 143:46 144:148
145:15 146:244 147:225 148:255 149:74 150:41
151:88 152:294 153:36 154:8 155:106 156:103
157:104 158:77 159:149 160:20 161:74 162:127
163:82 164:90 165:133 166:104 167:300 168:302
169:60 170:216 171:6 192:5416 193:2374 194:2012
195:840 196:433 198:3622 199:3124 200:2534 202:3512
203:4857 204:3278 205:2119 206:2371 207:2457 208:2550
209:2648 210:605 211:251 212:847 213:786 214:10
215:19 216:3199 217:507 218:48 219:3
End of report
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