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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 Fri 08 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117013
Prefixes after maximum aggregation: 75069
Unique aggregates announced to Internet: 56320
Total ASes present in the Internet Routing Table: 14042
Origin-only ASes present in the Internet Routing Table: 12159
Origin ASes announcing only one prefix: 5481
Transit ASes present in the Internet Routing Table: 1883
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: 1182831464
Equivalent to 70 /8s, 128 /16s and 147 /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: 49078
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19144
Total APNIC prefixes after maximum aggregation: 11450
Prefixes being announced from the APNIC address blocks: 17662
Unique aggregates announced from the APNIC address blocks: 11174
APNIC Region origin ASes present in the Internet Routing Table: 1638
APNIC Region origin ASes announcing only one prefix: 522
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: 100204480
Equivalent to 5 /8s, 248 /16s and 255 /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: 73033
Total ARIN prefixes after maximum aggregation: 46529
Prefixes being announced from the ARIN address blocks: 51417
Unique aggregates announced from the ARIN address blocks: 15636
ARIN Region origin ASes present in the Internet Routing Table: 7889
ARIN Region origin ASes announcing only one prefix: 2632
ARIN Region transit ASes present in the Internet Routing Table: 754
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182656224
Equivalent to 10 /8s, 227 /16s and 28 /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: 19961
Total RIPE prefixes after maximum aggregation: 14995
Prefixes being announced from the RIPE address blocks: 16609
Unique aggregates announced from the RIPE address blocks: 11164
RIPE Region origin ASes present in the Internet Routing Table: 4137
RIPE Region origin ASes announcing only one prefix: 2246
RIPE Region transit ASes present in the Internet Routing Table: 763
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119139008
Equivalent to 7 /8s, 25 /16s and 234 /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: 4869
Total LACNIC prefixes after maximum aggregation: 2095
Prefixes being announced from the LACNIC address blocks: 4215
Unique aggregates announced from the LACNIC address blocks: 2681
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: 11704832
Equivalent to 0 /8s, 178 /16s and 154 /24s
Percentage of available LACNIC address space announced: 69.8
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 1185 1169 860 Telstra Pty Ltd
703 392 365 311 UUNET
2907 351 1767 330 SINET Japan
2764 336 356 308 connect.com.au pty ltd
17557 317 23 121 Pakistan Telecom
7474 300 279 199 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 276 137 73 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 124 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4621 118 11 67 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 1763 9123 1248 UUNET Technologies, Inc.
7018 1337 7176 933 AT&T
3908 1095 1668 511 Supernet, Inc.
1239 896 3298 662 Sprint
7843 788 374 319 Adelphia Corp.
852 694 1147 468 Telus Advanced Communications
1 664 8090 439 GENUITY
19029 636 127 28 New Edge Networks
209 629 2032 328 Qwest
7046 589 877 295 UUNET Technologies, Inc.
690 513 75 322 Merit Network
4323 513 435 174 Time Warner Communications, I
705 442 134 202 UUNET Technologies, Inc.
6197 439 233 200 BellSouth Network Solutions,
3549 409 728 293 Global Crossing
2548 405 1115 244 Business Internet, Inc.
6198 405 176 198 BellSouth Network Solutions,
4355 398 311 116 EarthLink, Inc.
3561 394 2266 343 Cable & Wireless USA
2914 372 2038 364 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 825 2366 693 UUNET - Commercial IP service
3301 376 1132 333 TeliaNet Sweden
3215 311 805 173 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 207 415 202 SWIPnet Swedish IP Network
5400 193 84 111 BT Ignite European Backbone
719 192 307 131 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 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 119 375 116 Song Networks
8220 114 169 106 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 212 331 113 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 164 88 33 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 71 18 10 Red de Interconexion Universi
6535 71 4 15 Chilesat Servicios Empresari
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 62 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
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 636 608 New Edge Networks
3908 1095 584 Supernet, Inc.
7843 788 469 Adelphia Corp.
7018 1337 404 AT&T
4323 513 339 Time Warner Communications, I
18566 342 338 Covad Communications
1221 1185 325 Telstra Pty Ltd
4151 337 321 USDA
209 629 301 Qwest
7046 589 294 UUNET Technologies, Inc.
6347 359 284 SAVVIS Communications Corpora
4355 398 282 EarthLink, Inc.
1580 256 243 ANOSCEUR
705 442 240 UUNET Technologies, Inc.
376 343 240 Reseau Interordinateurs Scien
6197 439 239 BellSouth Network Solutions,
1239 896 234 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 /15:430 /16:7308 /17:1529 /18:2726
/19:7895 /20:7524 /21:5361 /22:8216 /23:9925 /24:64838
/25:185 /26:221 /27:126 /28:105 /29:85 /30:93
/31:0 /32:29
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 641 1095 Supernet, Inc.
19029 602 636 New Edge Networks
7843 601 788 Adelphia Corp.
702 496 825 UUNET - Commercial IP service
701 492 1763 UUNET Technologies, Inc.
690 461 513 Merit Network
7018 429 1337 AT&T
18566 337 342 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
209 317 629 Qwest
1239 282 896 Sprint
7046 274 589 UUNET Technologies, Inc.
1580 242 256 ANOSCEUR
3215 235 311 France Telecom Transpac
11492 227 232 Cable One
3301 224 376 TeliaNet Sweden
4355 222 398 EarthLink, Inc.
7066 205 306 Virginia Polytechnic Institut
3320 189 246 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:1 12:580 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 62:384 63:1908
64:1388 65:1653 66:1217 67:125 68:201 69:19
80:290 81:66 128:126 129:109 130:22 131:64
132:9 133:2 134:142 135:7 136:371 137:108
138:151 139:76 140:154 141:87 142:106 143:46
144:149 145:18 146:254 147:250 148:252 149:76
150:41 151:87 152:288 153:36 154:8 155:103
156:104 157:106 158:89 159:149 160:20 161:74
162:131 163:88 164:79 165:138 166:92 167:305
168:308 169:60 170:240 171:6 192:5420 193:2374
194:1984 195:847 196:435 198:3607 199:3086 200:2575
202:3502 203:4864 204:3285 205:2103 206:2366 207:2454
208:2556 209:2795 210:611 211:283 212:889 213:781
214:11 215:20 216:3062 217:500 218:51 219:7
End of report
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