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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 08 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 115561
Prefixes after maximum aggregation: 74362
Unique aggregates announced to Internet: 55061
Total ASes present in the Internet Routing Table: 13871
Origin-only ASes present in the Internet Routing Table: 12009
Origin ASes announcing only one prefix: 5383
Transit ASes present in the Internet Routing Table: 1862
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 26
Illegal AS announcements present in the Routing Table: 1
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: 1189910088
Equivalent to 70 /8s, 236 /16s and 150 /24s
Percentage of available address space announced: 32.1
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 47974
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 18722
Total APNIC prefixes after maximum aggregation: 11395
Prefixes being announced from the APNIC address blocks: 17237
Unique aggregates announced from the APNIC address blocks: 10971
APNIC Region origin ASes present in the Internet Routing Table: 1621
APNIC Region origin ASes announcing only one prefix: 528
APNIC Region transit ASes present in the Internet Routing Table: 281
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 98063776
Equivalent to 5 /8s, 216 /16s and 85 /24s
Percentage of available APNIC address space announced: 64.5
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: 72404
Total ARIN prefixes after maximum aggregation: 46012
Prefixes being announced from the ARIN address blocks: 50733
Unique aggregates announced from the ARIN address blocks: 15322
ARIN Region origin ASes present in the Internet Routing Table: 7792
ARIN Region origin ASes announcing only one prefix: 2567
ARIN Region transit ASes present in the Internet Routing Table: 752
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 181358432
Equivalent to 10 /8s, 207 /16s and 79 /24s
Percentage of available ARIN address space announced: 67.6
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: 19626
Total RIPE prefixes after maximum aggregation: 14871
Prefixes being announced from the RIPE address blocks: 16301
Unique aggregates announced from the RIPE address blocks: 10777
RIPE Region origin ASes present in the Internet Routing Table: 4083
RIPE Region origin ASes announcing only one prefix: 2208
RIPE Region transit ASes present in the Internet Routing Table: 752
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 114440768
Equivalent to 6 /8s, 210 /16s and 58 /24s
Percentage of available RIPE address space announced: 75.8
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: 4809
Total LACNIC prefixes after maximum aggregation: 2084
Prefixes being announced from the LACNIC address blocks: 4223
Unique aggregates announced from the LACNIC address blocks: 2618
LACNIC Region origin ASes present in the Internet Routing Table: 315
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 69
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11369728
Equivalent to 0 /8s, 173 /16s and 125 /24s
Percentage of available LACNIC address space announced: 67.8
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 1197 1187 880 Telstra Pty Ltd
703 399 375 315 UUNET
2907 361 1831 341 SINET Japan
2764 342 356 314 connect.com.au pty ltd
7474 302 275 206 Optus Communications Pty Ltd
4134 292 2268 96 Data Communications Bureau
17557 290 21 112 Pakistan Telecom
4755 250 138 77 Videsh Sanchar Nigam Ltd. Aut
4766 249 1808 157 Korea Internet Exchange for "
17676 224 3506 33 XTAGE CORPORATION
4814 223 79 15 China Telecom (Group)
9443 186 57 72 Primus Telecommunications
9583 170 32 5 Satyam Infoway Ltd.,
4515 136 102 77 Star Internet Services Ltd.
9768 134 385 73 Korea Telecom
4716 128 736 122 TTnet
7657 128 22 85 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 115 1049 104 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1788 9232 1285 UUNET Technologies, Inc.
7018 1343 7196 939 AT&T
3908 1053 1652 510 Supernet, Inc.
1239 858 3166 653 Sprint
852 758 1145 457 Telus Advanced Communications
7843 725 372 303 Adelphia Corp.
1 661 8075 438 GENUITY
7132 593 672 69 Southwestern Bell Internet Se
7046 580 878 299 UUNET Technologies, Inc.
209 560 2066 339 Qwest
4323 519 439 163 Time Warner Communications, I
690 518 75 325 Merit Network
7066 490 204 257 Virginia Polytechnic Institut
2548 447 1118 278 Business Internet, Inc.
705 408 130 198 UUNET Technologies, Inc.
3549 408 725 294 Global Crossing
6197 390 601 40 BellSouth Network Solutions,
4355 382 292 104 EarthLink, Inc.
2914 367 2027 360 Verio, Inc.
15290 359 230 176 AT&T Canada IES
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 872 2406 727 UUNET - Commercial IP service
3301 387 907 339 TeliaNet Sweden
3215 294 677 170 France Telecom Transpac
3320 248 1966 225 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 214 783 177 Sonera Solution Autonomous Sy
5400 207 84 99 BT Ignite European Backbone
1257 205 444 201 SWIPnet Swedish IP Network
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
8708 162 41 146 Romania Data Systems S.A.
2856 158 790 137 BTnet UK Regional network
3303 144 532 143 Swisscom Ltd
3246 123 373 116 Song Networks
12302 121 17 28 MobiFon S.A.
8220 112 168 104 COLT Internet - International
5511 111 192 89 France Telecom
3233 107 10 8 RNC - Romanian Natioanal R&D
3269 106 690 64 TELECOM ITALIA
2874 103 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 199 313 109 UniNet S.A. de C.V.
7303 173 27 49 Telecom Argentina Stet-France
11172 170 88 35 Servicios Alestra S.A de C.V
6503 150 174 108 AVANTEL, S.A.
10834 147 75 35 ADVANCE TELECOMUNICACIONES S.
6140 115 76 28 ImpSat USA, Inc.
16814 107 7 13 NSS, S.A.
13999 103 19 8 Mega Cable S.A. de C.V.
10620 93 6 29 TVCABLE BOGOTA
11340 78 2 23 Red Universitaria Nacional
1916 74 425 41 Fundacao de Amparo a Pesquisa
15311 74 24 31 Telefonica Empresas
15034 73 5 33 TIBA SA
11992 70 7 30 Integrated Systems
4270 68 18 10 Red de Interconexion Universi
7984 64 27 42 Global One Colombia
2277 62 16 3 ECUANET - CORPORACION ECUATOR
4926 62 4 50 Telintar S.A.
8065 60 6 16 Empresas Publicas de Medellin
7927 58 4 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1053 543 Supernet, Inc.
7132 593 524 Southwestern Bell Internet Se
7843 725 422 Adelphia Corp.
7018 1343 404 AT&T
4323 519 356 Time Warner Communications, I
6197 390 350 BellSouth Network Solutions,
1221 1197 317 Telstra Pty Ltd
1580 320 308 ANOSCEUR
852 758 301 Telus Advanced Communications
18566 293 289 Covad Communications
7046 580 281 UUNET Technologies, Inc.
4355 382 278 EarthLink, Inc.
6347 343 268 SAVVIS Communications Corpora
4151 280 264 USDA
7066 490 233 Virginia Polytechnic Institut
376 341 231 Reseau Interordinateurs Scien
1 661 223 GENUITY
209 560 221 Qwest
705 408 210 UUNET Technologies, Inc.
11492 224 210 Cable One
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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 /8:18 /9:6 /10:7 /11:12 /12:37
/13:90 /14:238 /15:428 /16:7262 /17:1499 /18:2715
/19:7870 /20:7523 /21:5312 /22:8118 /23:9865 /24:63800
/25:172 /26:209 /27:114 /28:75 /29:55 /30:96
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 624 1053 Supernet, Inc.
702 537 872 UUNET - Commercial IP service
7843 536 725 Adelphia Corp.
701 489 1788 UUNET Technologies, Inc.
690 465 518 Merit Network
7018 424 1343 AT&T
7066 388 490 Virginia Polytechnic Institut
1580 307 320 ANOSCEUR
18566 287 293 Covad Communications
6197 274 390 BellSouth Network Solutions,
7046 267 580 UUNET Technologies, Inc.
1239 252 858 Sprint
6198 244 314 BellSouth Network Solutions,
209 235 560 Qwest
3301 231 387 TeliaNet Sweden
3215 225 294 France Telecom Transpac
4355 220 382 EarthLink, Inc.
11492 219 224 Cable One
3320 189 248 Deutsche Telekom AG
5400 187 207 BT Ignite European Backbone
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 12:557 13:10 15:4 17:7 20:4
24:846 25:1 32:41 38:24 40:8 44:1
55:1 57:14 61:356 62:248 63:1877 64:1290
65:1546 66:1202 67:110 68:129 69:1 80:299
81:60 128:119 129:125 130:19 131:54 132:9
133:2 134:126 135:9 136:593 137:104 138:153
139:70 140:167 141:66 142:70 143:48 144:153
145:17 146:240 147:226 148:249 149:78 150:42
151:73 152:297 153:38 154:9 155:104 156:102
157:105 158:72 159:139 160:21 161:74 162:123
163:87 164:259 165:127 166:104 167:274 168:304
169:62 170:181 171:3 192:5363 193:2387 194:1966
195:824 196:383 198:3605 199:3071 200:2623 202:3410
203:4794 204:3261 205:2116 206:2380 207:2485 208:2557
209:2601 210:592 211:245 212:886 213:764 214:8
215:19 216:2965 217:509 218:47 219:2
End of report
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