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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 Mon 28 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116411
Prefixes after maximum aggregation: 74690
Unique aggregates announced to Internet: 55659
Total ASes present in the Internet Routing Table: 13960
Origin-only ASes present in the Internet Routing Table: 12100
Origin ASes announcing only one prefix: 5426
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: 1180802920
Equivalent to 70 /8s, 97 /16s and 159 /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: 48588
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19009
Total APNIC prefixes after maximum aggregation: 11453
Prefixes being announced from the APNIC address blocks: 17491
Unique aggregates announced from the APNIC address blocks: 11078
APNIC Region origin ASes present in the Internet Routing Table: 1630
APNIC Region origin ASes announcing only one prefix: 521
APNIC Region transit ASes present in the Internet Routing Table: 276
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 99427488
Equivalent to 5 /8s, 237 /16s and 36 /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: 72935
Total ARIN prefixes after maximum aggregation: 46304
Prefixes being announced from the ARIN address blocks: 51308
Unique aggregates announced from the ARIN address blocks: 15435
ARIN Region origin ASes present in the Internet Routing Table: 7849
ARIN Region origin ASes announcing only one prefix: 2597
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: 17
Number of ARIN addresses announced to Internet: 182128864
Equivalent to 10 /8s, 219 /16s and 16 /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: 19658
Total RIPE prefixes after maximum aggregation: 14870
Prefixes being announced from the RIPE address blocks: 16395
Unique aggregates announced from the RIPE address blocks: 10976
RIPE Region origin ASes present in the Internet Routing Table: 4108
RIPE Region origin ASes announcing only one prefix: 2229
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: 118495712
Equivalent to 7 /8s, 16 /16s and 25 /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: 4803
Total LACNIC prefixes after maximum aggregation: 2063
Prefixes being announced from the LACNIC address blocks: 4158
Unique aggregates announced from the LACNIC address blocks: 2646
LACNIC Region origin ASes present in the Internet Routing Table: 317
LACNIC Region origin ASes announcing only one prefix: 79
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: 11590656
Equivalent to 0 /8s, 176 /16s and 220 /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 1171 1168 851 Telstra Pty Ltd
703 396 368 314 UUNET
2907 349 1751 329 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 311 23 122 Pakistan Telecom
4134 296 2286 97 Data Communications Bureau
7474 294 275 201 Optus Communications Pty Ltd
4755 277 138 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 129 736 123 TTnet
7657 128 23 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 116 56 107 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 1783 9173 1268 UUNET Technologies, Inc.
7018 1354 7185 942 AT&T
3908 1076 1668 510 Supernet, Inc.
1239 883 3186 657 Sprint
7843 763 374 309 Adelphia Corp.
852 737 1146 457 Telus Advanced Communications
1 660 8042 435 GENUITY
209 632 2084 337 Qwest
7046 588 876 292 UUNET Technologies, Inc.
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 407 725 293 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
702 852 2361 715 UUNET - Commercial IP service
3301 381 1163 334 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 1076 566 Supernet, Inc.
7843 763 454 Adelphia Corp.
7018 1354 412 AT&T
2828 474 370 XO Communications
6197 400 360 BellSouth Network Solutions,
4323 519 355 Time Warner Communications, I
18566 325 321 Covad Communications
1221 1171 320 Telstra Pty Ltd
4151 329 313 USDA
1580 320 307 ANOSCEUR
7046 588 296 UUNET Technologies, Inc.
209 632 295 Qwest
852 737 280 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.
376 334 231 Reseau Interordinateurs Scien
1239 883 226 Sprint
1 660 225 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 /14:239 /15:426 /16:7289 /17:1516 /18:2748
/19:7883 /20:7474 /21:5347 /22:8203 /23:9940 /24:64443
/25:173 /26:198 /27:105 /28:77 /29:52 /30:92
/31:0 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 638 1076 Supernet, Inc.
7843 574 763 Adelphia Corp.
702 522 852 UUNET - Commercial IP service
701 496 1783 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 437 1354 AT&T
2828 370 474 XO Communications
18566 320 325 Covad Communications
209 312 632 Qwest
6198 312 396 BellSouth Network Solutions,
1580 306 320 ANOSCEUR
6197 283 400 BellSouth Network Solutions,
7046 275 588 UUNET Technologies, Inc.
1239 269 883 Sprint
3215 232 307 France Telecom Transpac
3301 227 381 TeliaNet Sweden
11492 224 229 Cable One
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 12:579 13:10 15:4 17:6 20:4
24:899 25:1 32:42 38:26 40:11 44:1
55:1 57:15 61:366 62:235 63:1917 64:1354
65:1630 66:1200 67:117 68:179 69:16 80:284
81:61 128:127 129:106 130:18 131:63 132:9
133:2 134:140 135:7 136:405 137:108 138:206
139:71 140:155 141:77 142:81 143:46 144:148
145:18 146:244 147:225 148:251 149:75 150:41
151:88 152:295 153:36 154:8 155:106 156:103
157:104 158:77 159:149 160:20 161:74 162:127
163:82 164:92 165:134 166:104 167:300 168:302
169:59 170:215 171:6 192:5423 193:2384 194:2005
195:836 196:433 198:3631 199:3130 200:2534 202:3504
203:4847 204:3281 205:2116 206:2323 207:2458 208:2552
209:2650 210:605 211:251 212:845 213:789 214:10
215:19 216:3193 217:506 218:48 219:3
End of report
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