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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 Sun 24 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 119504
Prefixes after maximum aggregation: 75405
Unique aggregates announced to Internet: 56455
Total ASes present in the Internet Routing Table: 14116
Origin-only ASes present in the Internet Routing Table: 12218
Origin ASes announcing only one prefix: 5542
Transit ASes present in the Internet Routing Table: 1898
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.4
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: 1183403869
Equivalent to 70 /8s, 137 /16s and 79 /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: 50401
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19240
Total APNIC prefixes after maximum aggregation: 11461
Prefixes being announced from the APNIC address blocks: 17777
Unique aggregates announced from the APNIC address blocks: 11175
APNIC Region origin ASes present in the Internet Routing Table: 1649
APNIC Region origin ASes announcing only one prefix: 525
APNIC Region transit ASes present in the Internet Routing Table: 290
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 100577696
Equivalent to 5 /8s, 254 /16s and 177 /24s
Percentage of available APNIC address space announced: 66.2
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: 75293
Total ARIN prefixes after maximum aggregation: 46799
Prefixes being announced from the ARIN address blocks: 52798
Unique aggregates announced from the ARIN address blocks: 15697
ARIN Region origin ASes present in the Internet Routing Table: 7923
ARIN Region origin ASes announcing only one prefix: 2670
ARIN Region transit ASes present in the Internet Routing Table: 758
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 183625696
Equivalent to 10 /8s, 241 /16s and 231 /24s
Percentage of available ARIN address space announced: 68.4
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: 20100
Total RIPE prefixes after maximum aggregation: 15047
Prefixes being announced from the RIPE address blocks: 16745
Unique aggregates announced from the RIPE address blocks: 11127
RIPE Region origin ASes present in the Internet Routing Table: 4157
RIPE Region origin ASes announcing only one prefix: 2265
RIPE Region transit ASes present in the Internet Routing Table: 770
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 120044224
Equivalent to 7 /8s, 39 /16s and 186 /24s
Percentage of available RIPE address space announced: 79.5
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: 4871
Total LACNIC prefixes after maximum aggregation: 2098
Prefixes being announced from the LACNIC address blocks: 4245
Unique aggregates announced from the LACNIC address blocks: 2748
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 82
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: 16
Number of LACNIC addresses announced to Internet: 11748352
Equivalent to 0 /8s, 179 /16s and 68 /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 1173 1168 849 Telstra Pty Ltd
703 395 364 311 UUNET
2907 351 1767 330 SINET Japan
2764 339 341 307 connect.com.au pty ltd
17557 307 22 122 Pakistan Telecom
7474 306 279 202 Optus Communications Pty Ltd
4134 299 2351 101 Data Communications Bureau
4755 260 136 68 Videsh Sanchar Nigam Ltd. Aut
4814 247 79 15 China Telecom (Group)
4766 236 1807 152 Korea Internet Exchange for "
17676 229 3554 29 XTAGE CORPORATION
9443 183 57 72 Primus Telecommunications
9583 174 33 11 Satyam Infoway Ltd.,
4515 144 102 75 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 130 724 124 TTnet
9800 126 189 28 CHINA UNICOM
7657 125 24 90 The Internet Group Limited
4739 120 56 110 Commerical Internet eXchange
4621 114 11 66 UNINET-TH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3908 2497 1668 510 Supernet, Inc.
701 1743 9042 1246 UUNET Technologies, Inc.
7018 1400 7196 978 AT&T
1239 910 3172 659 Sprint
7843 667 391 279 Adelphia Corp.
852 665 1147 466 Telus Advanced Communications
1 657 8090 437 GENUITY
209 588 2048 335 Qwest
7046 586 861 284 UUNET Technologies, Inc.
19029 573 127 28 New Edge Networks
4323 524 439 165 Time Warner Communications, I
690 507 74 319 Merit Network
7066 489 204 257 Virginia Polytechnic Institut
6197 443 236 202 BellSouth Network Solutions,
705 438 134 198 UUNET Technologies, Inc.
3561 421 2283 359 Cable & Wireless USA
6198 414 177 198 BellSouth Network Solutions,
3549 404 743 291 Global Crossing
4355 403 313 118 EarthLink, Inc.
2548 388 1020 239 Business Internet, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 822 2330 687 UUNET - Commercial IP service
3301 382 1164 337 TeliaNet Sweden
3215 311 789 172 France Telecom Transpac
3320 245 1964 221 Deutsche Telekom AG
680 237 2150 234 DFN-IP service G-WiN
1257 213 416 203 SWIPnet Swedish IP Network
5515 210 783 175 Sonera Solution Autonomous Sy
719 190 306 129 LANLINK autonomous system
5400 182 79 103 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 176 1304 134 BTnet UK Regional network
8708 154 41 147 Romania Data Systems S.A.
3303 144 517 143 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 116 173 108 COLT Internet - International
3269 111 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 102 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 267 114 57 ImpSat USA, Inc.
8151 212 347 113 UniNet S.A. de C.V.
7303 184 28 47 Telecom Argentina Stet-France
11172 167 88 34 Servicios Alestra S.A de C.V
6503 155 175 110 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 97 6 33 TVCABLE BOGOTA
11340 79 2 30 Red Universitaria Nacional
15311 73 27 37 Telefonica Empresas
6535 72 5 16 Chilesat Servicios Empresari
4270 71 18 10 Red de Interconexion Universi
1916 70 393 40 Fundacao de Amparo a Pesquisa
11992 67 7 29 Integrated Systems
6147 65 57 23 Telefonica Del Peru
7984 63 11 40 Global One Colombia
4926 62 4 50 Telintar S.A.
8065 60 6 15 Empresas Publicas de Medellin
15034 58 5 32 TIBA SA
7927 56 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
19029 573 545 New Edge Networks
701 1743 497 UUNET Technologies, Inc.
7018 1400 422 AT&T
7843 667 388 Adelphia Corp.
18566 368 363 Covad Communications
4323 524 359 Time Warner Communications, I
1221 1173 324 Telstra Pty Ltd
7046 586 302 UUNET Technologies, Inc.
1580 313 300 ANOSCEUR
6347 362 287 SAVVIS Communications Corpora
4151 346 287 USDA
4355 403 285 EarthLink, Inc.
11492 270 259 Cable One
22927 275 255 TELEFONICA DE ARGENTINA
209 588 253 Qwest
1239 910 251 Sprint
6197 443 241 BellSouth Network Solutions,
705 438 240 UUNET Technologies, Inc.
376 343 239 Reseau Interordinateurs Scien
7066 489 232 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
/13:91 /14:236 /15:439 /16:7295 /17:1540 /18:2750
/19:7972 /20:7651 /21:5459 /22:8363 /23:10106 /24:66563
/25:158 /26:191 /27:110 /28:101 /29:72 /30:236
/31:19 /32:67
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 996 2497 Supernet, Inc.
19029 539 573 New Edge Networks
702 504 822 UUNET - Commercial IP service
701 503 1743 UUNET Technologies, Inc.
7843 464 667 Adelphia Corp.
7018 457 1400 AT&T
690 455 507 Merit Network
7066 387 489 Virginia Polytechnic Institut
18566 361 368 Covad Communications
6197 333 443 BellSouth Network Solutions,
6198 329 414 BellSouth Network Solutions,
1239 304 910 Sprint
1580 299 313 ANOSCEUR
209 277 588 Qwest
7046 277 586 UUNET Technologies, Inc.
11492 268 270 Cable One
3215 236 311 France Telecom Transpac
3301 227 382 TeliaNet Sweden
22927 225 275 TELEFONICA DE ARGENTINA
4355 223 403 EarthLink, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:1 12:603 13:10 15:4 17:3
20:5 24:852 25:1 32:46 38:28 40:12
44:1 55:1 57:15 61:392 62:382 63:1945
64:1349 65:1702 66:1211 67:185 68:179 69:22
80:316 81:83 128:119 129:141 130:19 131:67
132:9 133:2 134:150 135:7 136:488 137:109
138:216 139:80 140:154 141:91 142:88 143:46
144:149 145:18 146:254 147:245 148:257 149:77
150:43 151:85 152:289 153:36 154:8 155:100
156:108 157:52 158:109 159:152 160:21 161:72
162:137 163:87 164:255 165:138 166:94 167:296
168:372 169:56 170:263 171:6 192:5414 193:2383
194:2010 195:845 196:456 198:3704 199:3093 200:2595
202:3534 203:4840 204:3634 205:2430 206:2369 207:2533
208:2589 209:2887 210:618 211:293 212:872 213:792
214:12 215:20 216:3146 217:506 218:65 219:7
End of report
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