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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 Tue 19 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 118063
Prefixes after maximum aggregation: 75238
Unique aggregates announced to Internet: 56287
Total ASes present in the Internet Routing Table: 14098
Origin-only ASes present in the Internet Routing Table: 12214
Origin ASes announcing only one prefix: 5510
Transit ASes present in the Internet Routing Table: 1884
Transit-only ASes present in the Internet Routing Table: 67
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: 1183736445
Equivalent to 70 /8s, 142 /16s and 98 /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: 50024
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19242
Total APNIC prefixes after maximum aggregation: 11466
Prefixes being announced from the APNIC address blocks: 17736
Unique aggregates announced from the APNIC address blocks: 11149
APNIC Region origin ASes present in the Internet Routing Table: 1648
APNIC Region origin ASes announcing only one prefix: 526
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: 11
Number of APNIC addresses announced to Internet: 100192704
Equivalent to 5 /8s, 248 /16s and 209 /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: 73864
Total ARIN prefixes after maximum aggregation: 46707
Prefixes being announced from the ARIN address blocks: 51576
Unique aggregates announced from the ARIN address blocks: 15672
ARIN Region origin ASes present in the Internet Routing Table: 7914
ARIN Region origin ASes announcing only one prefix: 2646
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: 183074272
Equivalent to 10 /8s, 233 /16s and 125 /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: 20082
Total RIPE prefixes after maximum aggregation: 14977
Prefixes being announced from the RIPE address blocks: 16776
Unique aggregates announced from the RIPE address blocks: 11090
RIPE Region origin ASes present in the Internet Routing Table: 4150
RIPE Region origin ASes announcing only one prefix: 2255
RIPE Region transit ASes present in the Internet Routing Table: 768
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119761088
Equivalent to 7 /8s, 35 /16s and 104 /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: 4875
Total LACNIC prefixes after maximum aggregation: 2088
Prefixes being announced from the LACNIC address blocks: 4241
Unique aggregates announced from the LACNIC address blocks: 2720
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 83
LACNIC Region transit ASes present in the Internet Routing Table: 65
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 11742976
Equivalent to 0 /8s, 179 /16s and 47 /24s
Percentage of available LACNIC address space announced: 70.0
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 1178 1184 855 Telstra Pty Ltd
703 392 364 308 UUNET
2907 350 1751 330 SINET Japan
2764 338 357 307 connect.com.au pty ltd
7474 303 279 202 Optus Communications Pty Ltd
17557 300 22 121 Pakistan Telecom
4134 296 2285 97 Data Communications Bureau
4755 261 136 74 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 227 3554 29 XTAGE CORPORATION
9443 183 57 71 Primus Telecommunications
9583 171 33 10 Satyam Infoway Ltd.,
4515 140 102 74 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 120 56 110 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1739 9039 1246 UUNET Technologies, Inc.
7018 1377 7192 954 AT&T
3908 1128 1652 510 Supernet, Inc.
1239 903 3171 658 Sprint
7843 732 380 285 Adelphia Corp.
852 665 1147 466 Telus Advanced Communications
1 657 8090 438 GENUITY
7046 588 860 285 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,
705 439 134 199 UUNET Technologies, Inc.
3561 417 2282 358 Cable & Wireless USA
3549 406 744 292 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 379 1163 334 TeliaNet Sweden
3215 309 788 170 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 207 415 202 SWIPnet Swedish IP Network
719 190 306 129 LANLINK autonomous system
5400 186 81 106 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 172 1304 134 BTnet UK Regional network
8708 156 41 147 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 210 331 111 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 154 175 107 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 62 4 50 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 1128 618 Supernet, Inc.
19029 567 539 New Edge Networks
7843 732 447 Adelphia Corp.
7018 1377 423 AT&T
18566 363 358 Covad Communications
4323 523 357 Time Warner Communications, I
1221 1178 323 Telstra Pty Ltd
1580 319 306 ANOSCEUR
7046 588 303 UUNET Technologies, Inc.
4151 350 291 USDA
6347 361 286 SAVVIS Communications Corpora
4355 402 284 EarthLink, Inc.
22927 274 254 TELEFONICA DE ARGENTINA
209 585 253 Qwest
1239 903 245 Sprint
6197 441 240 BellSouth Network Solutions,
705 439 240 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 /15:437 /16:7319 /17:1538 /18:2741
/19:7932 /20:7566 /21:5380 /22:8288 /23:10001 /24:65512
/25:160 /26:187 /27:109 /28:99 /29:70 /30:231
/31:19 /32:63
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 677 1128 Supernet, Inc.
7843 537 732 Adelphia Corp.
19029 533 567 New Edge Networks
701 500 1739 UUNET Technologies, Inc.
702 495 819 UUNET - Commercial IP service
690 454 506 Merit Network
7018 449 1377 AT&T
7066 387 488 Virginia Polytechnic Institut
18566 356 363 Covad Communications
6197 332 441 BellSouth Network Solutions,
6198 321 405 BellSouth Network Solutions,
1580 305 319 ANOSCEUR
1239 297 903 Sprint
7046 279 588 UUNET Technologies, Inc.
209 272 585 Qwest
11492 239 244 Cable One
3215 234 309 France Telecom Transpac
3301 224 379 TeliaNet Sweden
22927 224 274 TELEFONICA DE ARGENTINA
4355 223 402 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:593 13:10 15:4 17:3
20:5 24:864 25:1 32:46 38:27 40:12
44:1 55:1 57:16 61:394 62:412 63:1896
64:1392 65:1706 66:1209 67:144 68:205 69:20
80:317 81:81 128:118 129:111 130:19 131:66
132:9 133:2 134:142 135:7 136:494 137:109
138:217 139:76 140:154 141:94 142:88 143:44
144:149 145:18 146:254 147:252 148:256 149:77
150:43 151:87 152:282 153:36 154:8 155:97
156:105 157:41 158:102 159:150 160:22 161:74
162:138 163:88 164:254 165:136 166:93 167:296
168:371 169:56 170:251 171:6 192:5423 193:2378
194:1994 195:874 196:456 198:3595 199:3058 200:2587
202:3500 203:4847 204:3284 205:2111 206:2357 207:2455
208:2582 209:2854 210:625 211:287 212:885 213:796
214:12 215:20 216:3094 217:510 218:66 219:7
End of report
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