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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 18 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117916
Prefixes after maximum aggregation: 75217
Unique aggregates announced to Internet: 56280
Total ASes present in the Internet Routing Table: 14087
Origin-only ASes present in the Internet Routing Table: 12203
Origin ASes announcing only one prefix: 5507
Transit ASes present in the Internet Routing Table: 1884
Transit-only ASes present in the Internet Routing Table: 66
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: 1183440509
Equivalent to 70 /8s, 137 /16s and 222 /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: 49915
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19213
Total APNIC prefixes after maximum aggregation: 11452
Prefixes being announced from the APNIC address blocks: 17734
Unique aggregates announced from the APNIC address blocks: 11185
APNIC Region origin ASes present in the Internet Routing Table: 1645
APNIC Region origin ASes announcing only one prefix: 524
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: 100109504
Equivalent to 5 /8s, 247 /16s and 140 /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: 73738
Total ARIN prefixes after maximum aggregation: 46669
Prefixes being announced from the ARIN address blocks: 51465
Unique aggregates announced from the ARIN address blocks: 15668
ARIN Region origin ASes present in the Internet Routing Table: 7909
ARIN Region origin ASes announcing only one prefix: 2648
ARIN Region transit ASes present in the Internet Routing Table: 755
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183005920
Equivalent to 10 /8s, 232 /16s and 114 /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: 20095
Total RIPE prefixes after maximum aggregation: 15004
Prefixes being announced from the RIPE address blocks: 16763
Unique aggregates announced from the RIPE address blocks: 11060
RIPE Region origin ASes present in the Internet Routing Table: 4150
RIPE Region origin ASes announcing only one prefix: 2254
RIPE Region transit ASes present in the Internet Routing Table: 764
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 119698368
Equivalent to 7 /8s, 34 /16s and 115 /24s
Percentage of available RIPE address space announced: 79.3
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: 4870
Total LACNIC prefixes after maximum aggregation: 2092
Prefixes being announced from the LACNIC address blocks: 4234
Unique aggregates announced from the LACNIC address blocks: 2720
LACNIC Region origin ASes present in the Internet Routing Table: 317
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: 5.8
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11730176
Equivalent to 0 /8s, 178 /16s and 253 /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 1177 1185 855 Telstra Pty Ltd
703 392 364 308 UUNET
2907 349 1735 329 SINET Japan
2764 336 356 306 connect.com.au pty ltd
17557 309 23 119 Pakistan Telecom
7474 301 279 200 Optus Communications Pty Ltd
4134 297 2287 98 Data Communications Bureau
4755 266 136 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 183 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 1738 9039 1245 UUNET Technologies, Inc.
7018 1360 7189 944 AT&T
3908 1111 1652 510 Supernet, Inc.
1239 905 3155 659 Sprint
7843 733 380 275 Adelphia Corp.
852 664 1147 465 Telus Advanced Communications
1 659 8090 438 GENUITY
7046 588 858 285 UUNET Technologies, Inc.
209 585 2047 332 Qwest
19029 567 127 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,
705 437 134 197 UUNET Technologies, Inc.
3561 416 2282 357 Cable & Wireless USA
3549 405 744 291 Global Crossing
6198 405 176 198 BellSouth Network Solutions,
4355 402 313 118 EarthLink, Inc.
2548 391 1036 240 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
786 175 1873 175 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 161 41 150 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 139 17 4 This AS will be used to conne
12302 122 17 29 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 210 331 111 UniNet S.A. de C.V.
7303 182 27 52 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 155 191 108 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 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 58 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 1111 601 Supernet, Inc.
19029 567 539 New Edge Networks
7843 733 458 Adelphia Corp.
7018 1360 416 AT&T
4323 523 357 Time Warner Communications, I
18566 362 357 Covad Communications
1221 1177 322 Telstra Pty Ltd
1580 318 305 ANOSCEUR
7046 588 303 UUNET Technologies, Inc.
6347 360 285 SAVVIS Communications Corpora
4355 402 284 EarthLink, Inc.
4151 323 264 USDA
22927 284 264 TELEFONICA DE ARGENTINA
209 585 253 Qwest
1239 905 246 Sprint
6197 441 240 BellSouth Network Solutions,
705 437 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
11492 244 234 Cable One
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 /16:7318 /17:1538 /18:2746
/19:7931 /20:7560 /21:5382 /22:8284 /23:9988 /24:65385
/25:161 /26:188 /27:110 /28:102 /29:69 /30:225
/31:19 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 660 1111 Supernet, Inc.
7843 537 733 Adelphia Corp.
19029 533 567 New Edge Networks
701 499 1738 UUNET Technologies, Inc.
702 495 819 UUNET - Commercial IP service
690 454 506 Merit Network
7018 435 1360 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 355 362 Covad Communications
6197 332 441 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
1580 304 318 ANOSCEUR
1239 299 905 Sprint
7046 280 588 UUNET Technologies, Inc.
209 272 585 Qwest
11492 239 244 Cable One
3215 236 311 France Telecom Transpac
22927 234 284 TELEFONICA DE ARGENTINA
3301 225 380 TeliaNet Sweden
4355 223 402 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:596 13:10 15:4 17:3
20:5 24:864 25:1 32:46 38:27 40:12
44:1 55:1 57:16 61:382 62:391 63:1887
64:1389 65:1702 66:1206 67:140 68:206 69:20
80:318 81:81 128:118 129:111 130:18 131:66
132:9 133:2 134:142 135:7 136:494 137:109
138:217 139:76 140:154 141:93 142:88 143:44
144:149 145:18 146:253 147:250 148:255 149:78
150:43 151:87 152:282 153:36 154:8 155:97
156:105 157:41 158:100 159:150 160:22 161:74
162:136 163:86 164:255 165:136 166:93 167:296
168:381 169:56 170:249 171:6 192:5417 193:2384
194:1998 195:873 196:454 198:3597 199:3035 200:2586
202:3520 203:4844 204:3285 205:2107 206:2359 207:2437
208:2576 209:2835 210:625 211:287 212:887 213:783
214:11 215:21 216:3078 217:512 218:65 219:7
End of report
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