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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 07 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107253
Origin ASes present in the Internet Routing Table: 11015
Origin ASes announcing only one prefix: 4004
Transit ASes present in the Internet Routing Table: 1445
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 35
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1234323267
Equivalent to 73 /8s, 146 /16s and 71 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 51.5
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15576
Prefixes being announced from the APNIC address blocks: 14082
APNIC Region origin ASes present in the Internet Routing Table: 1272
APNIC Region origin ASes announcing only one prefix: 450
APNIC Region transit ASes present in the Internet Routing Table: 212
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 69622677
Equivalent to 4 /8s, 38 /16s and 91 /24s
Percentage of available APNIC address space announced: 68.5
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74749
Prefixes being announced from the ARIN address blocks: 53252
ARIN Region origin ASes present in the Internet Routing Table: 6693
ARIN Region origin ASes announcing only one prefix: 1977
ARIN Region transit ASes present in the Internet Routing Table: 689
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 12
Number of ARIN addresses announced to Internet: 199122734
Equivalent to 11 /8s, 222 /16s and 95 /24s
Percentage of available ARIN address space announced: 79.1
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 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 16909
Prefixes being announced from the RIPE address blocks: 13016
RIPE Region origin ASes present in the Internet Routing Table: 3058
RIPE Region origin ASes announcing only one prefix: 1577
RIPE Region transit ASes present in the Internet Routing Table: 545
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 99514810
Equivalent to 5 /8s, 238 /16s and 121 /24s
Percentage of available RIPE address space announced: 65.9
RIPE AS Blocks 1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv Description
1221 1731 1345 Telstra
2764 519 334 connect.com.au pty ltd
2907 368 1799 SINET Japan
703 350 394 UUNET Technologies, Inc.
4755 337 220 VSNL India
7539 222 195 TANet2, sponsored by NSC, TAI
4134 203 1389 Data Communications Bureau
7474 194 171 Optus Communications
4766 173 1258 KORnet Powered BY Korea Telec
7657 153 25 The Internet Group Limited
1237 152 140 System Engineering Research I
17561 151 137 Internet service provision to
4740 150 20 Ozemail
7545 148 21 TPG Internet Pty Ltd
9443 132 47 INTERNETPRIMUS-AS-A
4786 127 15 NetConnect Communications Pty
7586 116 18 Paradox Digital Pty. Ltd
4763 114 85 Telstra New Zealand
7617 112 91 One.Net Pty Ltd
9583 110 61 Satyam Infoway Ltd.,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 663 1799 UUNET Technologies, Inc.
15870 437 7 Global Center Frankfurt
3301 401 915 TeliaNet Sweden
1257 283 504 Swipnet AB
1270 266 864 UUNET Germany
680 230 2055 Deutschef Forschurgsnetz
3215 218 479 RAIN
15878 216 8 Global Center Paris
719 186 291 LANLINK
786 185 1904 JANET IP Service
5515 177 654 Sonera Finland
3320 164 1410 Deutsche Telekom AG
5400 136 67 Concert Internet Plus Europea
8708 132 14 Romania Data System
517 129 273 Xlink
3303 129 592 Swisscom
2856 117 776 BTnet UK Regional network
1267 99 1954 IUnet S.p.A
1290 97 406 PSINet UK Ltd.
3269 92 616 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2444 7943 UUNET Technologies, Inc.
7018 1622 7002 AT&T
705 1521 131 UUNET Technologies, Inc.
1 927 8859 BBN Planet
7046 790 1129 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
1239 660 3175 Sprint ICM-Inria
2914 561 2334 Verio, Inc.
3561 541 2433 Cable & Wireless USA
690 500 84 Merit Network
4293 497 101 Cable & Wireless USA
18994 471 11 Global Crossing
209 465 1829 Qwest
2149 410 472 Performance Systems, Inc.
2548 406 997 Digital Express Group, Inc.
3908 394 533 Supernet, Inc.
5106 342 134 Ameritech Advanced Data Servi
3549 338 1064 Global Crossing
3967 336 456 Exodus Communication
11371 336 100 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2444 7943 UUNET Technologies, Inc.
1221 1731 1345 Telstra
7018 1622 7002 AT&T
705 1521 131 UUNET Technologies, Inc.
1 927 8859 BBN Planet
7046 790 1129 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
702 663 1799 UUNET Technologies, Inc.
1239 660 3175 Sprint ICM-Inria
2914 561 2334 Verio, Inc.
3561 541 2433 Cable & Wireless USA
2764 519 334 connect.com.au pty ltd
690 500 84 Merit Network
4293 497 101 Cable & Wireless USA
18994 471 11 Global Crossing
209 465 1829 Qwest
15870 437 7 Global Center Frankfurt
2149 410 472 Performance Systems, Inc.
2548 406 997 Digital Express Group, Inc.
3301 401 915 TeliaNet Sweden
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.188.0.0/20 4999 Sprint
65530 PRIVATE 63.188.0.0/18 4999 Sprint
65530 PRIVATE 63.188.16.0/20 4999 Sprint
65530 PRIVATE 63.188.32.0/20 4999 Sprint
65530 PRIVATE 63.188.48.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/18 4999 Sprint
65530 PRIVATE 63.188.80.0/20 4999 Sprint
65530 PRIVATE 63.188.96.0/20 4999 Sprint
65530 PRIVATE 63.188.112.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/18 4999 Sprint
65530 PRIVATE 63.188.144.0/20 4999 Sprint
65530 PRIVATE 63.188.160.0/20 4999 Sprint
65530 PRIVATE 63.188.176.0/20 4999 Sprint
60002 RESERVED 64.76.148.0/24 19583 IMPSAT CHILE S.A.
578 UNALLOCATED 64.230.243.96/27 577 Bell Canada
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT
1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
65000 PRIVATE 198.208.54.0/24 7046 UUNET Technologies,
65000 PRIVATE 198.208.187.0/24 7046 UUNET Technologies,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation
5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati
5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati
5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
128.199.0.0/16 5519 GX Networks (former
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 BBN Planet
139.157.0.0/16 5515 Sonera Finland
144.7.0.0/16 701 UUNET Technologies, Inc.
146.104.0.0/16 1136 SURFnet BV
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
172.32.1.0/25 1221 Telstra
172.122.0.0/16 701 UUNET Technologies, Inc.
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:5 /10:6 /11:9 /12:32
/13:77 /14:207 /15:346 /16:6904 /17:1172 /18:2158
/19:6702 /20:5241 /21:4529 /22:6827 /23:8748 /24:61831
/25:275 /26:448 /27:474 /28:488 /29:378 /30:318
/31:1 /32:57
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:684 13:10 15:1 17:6 24:667
26:1 32:100 38:571 44:3 47:1 53:2
55:1 57:13 61:50 62:132 63:1956 64:1684
65:1111 66:360 80:2 128:39 129:161 130:23
131:39 132:9 133:1 134:170 135:11 136:16
137:120 138:246 139:44 140:140 141:158 142:68
143:41 144:135 145:9 146:139 147:136 148:99
149:133 150:35 151:286 152:577 153:32 154:22
155:78 156:58 157:109 158:183 159:75 160:27
161:54 162:68 163:133 164:99 165:130 166:203
167:141 168:99 169:36 170:260 171:2 192:5416
193:1837 194:2045 195:763 196:419 198:3632 199:3370
200:2121 201:1 202:2491 203:4880 204:3355 205:2284
206:2797 207:2942 208:3049 209:3160 210:606 211:113
212:837 213:406 214:9 215:11 216:3017 217:268
End of report
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