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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 Wed 30 Oct, 2002
Analysis Summary
----------------
BGP routing table entries examined: 116946
Prefixes after maximum aggregation: 74819
Unique aggregates announced to Internet: 55777
Total ASes present in the Internet Routing Table: 13983
Origin-only ASes present in the Internet Routing Table: 12129
Origin ASes announcing only one prefix: 5447
Transit ASes present in the Internet Routing Table: 1854
Transit-only ASes present in the Internet Routing Table: 59
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 7
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: 1181453672
Equivalent to 70 /8s, 107 /16s and 141 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.4
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 49041
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19061
Total APNIC prefixes after maximum aggregation: 11477
Prefixes being announced from the APNIC address blocks: 17546
Unique aggregates announced from the APNIC address blocks: 11128
APNIC Region origin ASes present in the Internet Routing Table: 1629
APNIC Region origin ASes announcing only one prefix: 517
APNIC Region transit ASes present in the Internet Routing Table: 274
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 99493024
Equivalent to 5 /8s, 238 /16s and 36 /24s
Percentage of available APNIC address space announced: 65.4
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: 73325
Total ARIN prefixes after maximum aggregation: 46325
Prefixes being announced from the ARIN address blocks: 51659
Unique aggregates announced from the ARIN address blocks: 15433
ARIN Region origin ASes present in the Internet Routing Table: 7860
ARIN Region origin ASes announcing only one prefix: 2611
ARIN Region transit ASes present in the Internet Routing Table: 748
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 182241248
Equivalent to 10 /8s, 220 /16s and 199 /24s
Percentage of available ARIN address space announced: 67.9
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: 19731
Total RIPE prefixes after maximum aggregation: 14938
Prefixes being announced from the RIPE address blocks: 16433
Unique aggregates announced from the RIPE address blocks: 10996
RIPE Region origin ASes present in the Internet Routing Table: 4119
RIPE Region origin ASes announcing only one prefix: 2240
RIPE Region transit ASes present in the Internet Routing Table: 750
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 118501600
Equivalent to 7 /8s, 16 /16s and 48 /24s
Percentage of available RIPE address space announced: 78.5
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: 4823
Total LACNIC prefixes after maximum aggregation: 2079
Prefixes being announced from the LACNIC address blocks: 4179
Unique aggregates announced from the LACNIC address blocks: 2655
LACNIC Region origin ASes present in the Internet Routing Table: 319
LACNIC Region origin ASes announcing only one prefix: 79
LACNIC Region transit ASes present in the Internet Routing Table: 71
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 11610880
Equivalent to 0 /8s, 177 /16s and 43 /24s
Percentage of available LACNIC address space announced: 69.2
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 1191 1169 869 Telstra Pty Ltd
703 395 367 313 UUNET
2907 350 1751 330 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 305 22 118 Pakistan Telecom
4134 295 2286 97 Data Communications Bureau
7474 291 275 200 Optus Communications Pty Ltd
4755 279 138 73 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 225 3522 32 XTAGE CORPORATION
9443 185 57 73 Primus Telecommunications
9583 162 32 5 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 130 738 124 TTnet
7657 128 23 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 117 56 108 Commerical Internet eXchange
4713 112 1044 101 NTT Communications Corporatio
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1784 9173 1269 UUNET Technologies, Inc.
7018 1355 7185 940 AT&T
3908 1081 1668 510 Supernet, Inc.
1239 892 3186 660 Sprint
7843 770 374 310 Adelphia Corp.
852 690 1147 467 Telus Advanced Communications
1 662 8074 437 GENUITY
209 635 2068 336 Qwest
7046 586 860 290 UUNET Technologies, Inc.
4323 518 439 164 Time Warner Communications, I
690 517 75 324 Merit Network
2828 475 598 104 XO Communications
19029 473 128 31 New Edge Networks
6197 461 581 50 BellSouth Network Solutions,
705 442 134 202 UUNET Technologies, Inc.
3549 416 727 302 Global Crossing
2548 401 1115 243 Business Internet, Inc.
6198 397 181 196 BellSouth Network Solutions,
4355 386 306 109 EarthLink, Inc.
2914 367 2022 360 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 867 2372 720 UUNET - Commercial IP service
3301 381 1163 334 TeliaNet Sweden
3215 309 789 172 France Telecom Transpac
3320 244 1964 221 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 211 783 176 Sonera Solution Autonomous Sy
1257 208 414 203 SWIPnet Swedish IP Network
719 191 306 130 LANLINK autonomous system
5400 183 83 95 BT Ignite European Backbone
786 176 1873 176 The JANET IP Service
2856 170 1302 132 BTnet UK Regional network
8708 159 41 147 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
12302 122 17 29 MobiFon S.A.
3246 121 373 116 Song Networks
8220 115 169 106 COLT Internet - International
3269 108 722 64 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
5511 96 191 80 France Telecom
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 254 114 58 ImpSat USA, Inc.
8151 212 346 111 UniNet S.A. de C.V.
7303 179 28 49 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 152 175 109 AVANTEL, S.A.
13999 111 29 14 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11340 80 2 25 Red Universitaria Nacional
11992 79 8 31 Integrated Systems
15311 76 26 32 Telefonica Empresas
1916 74 425 41 Fundacao de Amparo a Pesquisa
4270 68 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
2277 62 16 3 ECUANET - CORPORACION ECUATOR
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 32 TIBA SA
6535 54 4 15 Chilesat Servicios Empresari
7927 54 5 39 Global One Venezuela
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
3908 1081 571 Supernet, Inc.
7843 770 460 Adelphia Corp.
19029 473 442 New Edge Networks
7018 1355 415 AT&T
6197 461 411 BellSouth Network Solutions,
2828 475 371 XO Communications
4323 518 354 Time Warner Communications, I
18566 329 325 Covad Communications
1221 1191 322 Telstra Pty Ltd
4151 329 313 USDA
1580 321 308 ANOSCEUR
209 635 299 Qwest
7046 586 296 UUNET Technologies, Inc.
6347 354 279 SAVVIS Communications Corpora
4355 386 277 EarthLink, Inc.
376 344 241 Reseau Interordinateurs Scien
705 442 240 UUNET Technologies, Inc.
7132 306 236 Southwestern Bell Internet Se
1239 892 232 Sprint
1 662 225 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
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 /8:17 /9:5 /10:8 /11:12 /12:46
/13:90 /14:239 /15:428 /16:7300 /17:1513 /18:2741
/19:7888 /20:7495 /21:5350 /22:8227 /23:10004 /24:64862
/25:176 /26:199 /27:102 /28:75 /29:48 /30:93
/31:0 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 642 1081 Supernet, Inc.
7843 581 770 Adelphia Corp.
702 536 867 UUNET - Commercial IP service
701 496 1784 UUNET Technologies, Inc.
690 465 517 Merit Network
7018 438 1355 AT&T
19029 436 473 New Edge Networks
2828 370 475 XO Communications
6197 334 461 BellSouth Network Solutions,
18566 324 329 Covad Communications
209 314 635 Qwest
6198 313 397 BellSouth Network Solutions,
1580 307 321 ANOSCEUR
1239 277 892 Sprint
7046 273 586 UUNET Technologies, Inc.
3215 234 309 France Telecom Transpac
3301 227 381 TeliaNet Sweden
11492 225 230 Cable One
4355 219 386 EarthLink, Inc.
7066 205 306 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:578 13:10 15:4 17:5 20:5
24:902 25:1 32:42 38:26 40:11 44:1
55:1 57:15 61:369 62:251 63:1915 64:1386
65:1637 66:1217 67:123 68:191 69:16 80:287
81:61 128:128 129:103 130:21 131:63 132:9
133:2 134:139 135:7 136:409 137:107 138:216
139:71 140:156 141:78 142:81 143:46 144:147
145:18 146:244 147:228 148:251 149:78 150:41
151:90 152:295 153:36 154:8 155:106 156:103
157:106 158:83 159:150 160:20 161:74 162:138
163:85 164:87 165:134 166:94 167:300 168:302
169:59 170:223 171:6 192:5428 193:2389 194:2009
195:834 196:431 198:3633 199:3079 200:2561 202:3520
203:4846 204:3274 205:2124 206:2371 207:2469 208:2561
209:2762 210:611 211:279 212:857 213:778 214:9
215:19 216:3257 217:509 218:48 219:3
End of report
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