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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 Sat 16 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117933
Prefixes after maximum aggregation: 75277
Unique aggregates announced to Internet: 56301
Total ASes present in the Internet Routing Table: 14088
Origin-only ASes present in the Internet Routing Table: 12200
Origin ASes announcing only one prefix: 5504
Transit ASes present in the Internet Routing Table: 1888
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: 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: 1183287421
Equivalent to 70 /8s, 135 /16s and 136 /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: 49888
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19218
Total APNIC prefixes after maximum aggregation: 11458
Prefixes being announced from the APNIC address blocks: 17745
Unique aggregates announced from the APNIC address blocks: 11197
APNIC Region origin ASes present in the Internet Routing Table: 1644
APNIC Region origin ASes announcing only one prefix: 522
APNIC Region transit ASes present in the Internet Routing Table: 286
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100101568
Equivalent to 5 /8s, 247 /16s and 109 /24s
Percentage of available APNIC address space announced: 65.8
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: 73765
Total ARIN prefixes after maximum aggregation: 46715
Prefixes being announced from the ARIN address blocks: 51482
Unique aggregates announced from the ARIN address blocks: 15694
ARIN Region origin ASes present in the Internet Routing Table: 7915
ARIN Region origin ASes announcing only one prefix: 2649
ARIN Region transit ASes present in the Internet Routing Table: 759
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182986976
Equivalent to 10 /8s, 232 /16s and 40 /24s
Percentage of available ARIN address space announced: 68.2
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: 20053
Total RIPE prefixes after maximum aggregation: 14992
Prefixes being announced from the RIPE address blocks: 16723
Unique aggregates announced from the RIPE address blocks: 11052
RIPE Region origin ASes present in the Internet Routing Table: 4147
RIPE Region origin ASes announcing only one prefix: 2252
RIPE Region transit ASes present in the Internet Routing Table: 765
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 119633344
Equivalent to 7 /8s, 33 /16s and 117 /24s
Percentage of available RIPE address space announced: 79.2
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: 4897
Total LACNIC prefixes after maximum aggregation: 2112
Prefixes being announced from the LACNIC address blocks: 4227
Unique aggregates announced from the LACNIC address blocks: 2722
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 81
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11732992
Equivalent to 0 /8s, 179 /16s and 8 /24s
Percentage of available LACNIC address space announced: 69.9
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 1183 1185 859 Telstra Pty Ltd
703 392 364 308 UUNET
2907 351 1752 330 SINET Japan
2764 336 356 306 connect.com.au pty ltd
17557 309 23 119 Pakistan Telecom
7474 303 279 202 Optus Communications Pty Ltd
4134 297 2287 98 Data Communications Bureau
4755 265 136 71 Videsh Sanchar Nigam Ltd. Aut
4766 236 1807 152 Korea Internet Exchange for "
4814 234 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 184 57 71 Primus Telecommunications
9583 171 33 10 Satyam Infoway Ltd.,
4515 141 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
9800 125 191 18 CHINA UNICOM
7657 124 24 90 The Internet Group Limited
4621 122 11 65 UNINET-TH
4739 119 56 110 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1742 9055 1248 UUNET Technologies, Inc.
7018 1364 7174 947 AT&T
3908 1096 1652 509 Supernet, Inc.
1239 909 3171 663 Sprint
7843 733 380 275 Adelphia Corp.
852 709 1146 468 Telus Advanced Communications
1 659 8090 438 GENUITY
7046 591 858 288 UUNET Technologies, Inc.
209 578 2047 330 Qwest
19029 565 127 28 New Edge Networks
4323 523 455 166 Time Warner Communications, I
690 506 74 317 Merit Network
7066 488 204 256 Virginia Polytechnic Institut
6197 441 235 201 BellSouth Network Solutions,
705 438 134 198 UUNET Technologies, Inc.
3561 413 2281 357 Cable & Wireless USA
3549 408 744 294 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
4355 402 313 118 EarthLink, Inc.
2548 387 1016 245 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 819 2334 686 UUNET - Commercial IP service
3301 380 1163 335 TeliaNet Sweden
3215 311 789 172 France Telecom Transpac
3320 244 1964 220 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 208 415 202 SWIPnet Swedish IP Network
5400 194 86 112 BT Ignite European Backbone
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 163 41 149 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 138 17 4 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 375 116 Song Networks
8220 116 169 108 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
5511 103 192 84 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 268 114 58 ImpSat USA, Inc.
8151 208 330 110 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 154 191 108 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 102 7 11 NSS, S.A.
10620 96 6 32 TVCABLE BOGOTA
11992 81 8 30 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 75 27 37 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
6535 73 5 16 Chilesat Servicios Empresari
4270 71 18 10 Red de Interconexion Universi
6147 67 57 23 Telefonica Del Peru
4926 63 4 51 Telintar S.A.
7984 62 11 39 Global One Colombia
8065 60 6 15 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
3908 1096 587 Supernet, Inc.
19029 565 537 New Edge Networks
7843 733 458 Adelphia Corp.
7018 1364 417 AT&T
4323 523 357 Time Warner Communications, I
18566 354 348 Covad Communications
1221 1183 324 Telstra Pty Ltd
1580 318 305 ANOSCEUR
7046 591 303 UUNET Technologies, Inc.
4151 343 287 USDA
4355 402 284 EarthLink, Inc.
6347 359 284 SAVVIS Communications Corpora
22927 284 264 TELEFONICA DE ARGENTINA
209 578 248 Qwest
1239 909 246 Sprint
852 709 241 Telus Advanced Communications
6197 441 240 BellSouth Network Solutions,
705 438 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
7066 488 232 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
/13:90 /14:236 /15:436 /16:7316 /17:1537 /18:2744
/19:7921 /20:7562 /21:5370 /22:8279 /23:9980 /24:65431
/25:166 /26:192 /27:110 /28:103 /29:69 /30:224
/31:19 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 645 1096 Supernet, Inc.
7843 537 733 Adelphia Corp.
19029 531 565 New Edge Networks
701 500 1742 UUNET Technologies, Inc.
702 495 819 UUNET - Commercial IP service
690 454 506 Merit Network
7018 438 1364 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 349 354 Covad Communications
6197 332 441 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
1580 304 318 ANOSCEUR
1239 299 909 Sprint
7046 283 591 UUNET Technologies, Inc.
209 264 578 Qwest
3215 236 311 France Telecom Transpac
22927 234 284 TELEFONICA DE ARGENTINA
11492 233 238 Cable One
3301 225 380 TeliaNet Sweden
4355 223 402 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:594 13:10 15:4 17:3
20:5 24:861 25:1 32:48 38:27 40:12
44:1 55:1 57:16 61:382 62:389 63:1895
64:1384 65:1703 66:1203 67:135 68:206 69:20
80:308 81:78 128:118 129:111 130:18 131:66
132:9 133:2 134:142 135:7 136:487 137:109
138:216 139:76 140:154 141:92 142:87 143:44
144:149 145:18 146:255 147:250 148:251 149:78
150:43 151:87 152:282 153:36 154:8 155:104
156:105 157:76 158:99 159:150 160:22 161:74
162:136 163:87 164:254 165:135 166:93 167:297
168:380 169:56 170:244 171:6 192:5420 193:2386
194:1995 195:865 196:455 198:3610 199:3061 200:2582
202:3503 203:4860 204:3294 205:2108 206:2368 207:2444
208:2584 209:2843 210:627 211:286 212:884 213:781
214:12 215:21 216:3056 217:511 218:65 219:7
End of report
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