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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 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102487
Origin ASes present in the Internet Routing Table: 10024
Origin ASes announcing only one prefix: 3654
Transit ASes present in the Internet Routing Table: 1333
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 15
Illegal AS announcements present in the Routing Table: 16
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 3
Number of addresses announced to Internet: 1218653187
Equivalent to 72 /8s, 163 /16s and 44 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15433
Prefixes being announced from the APNIC address blocks: 14131
APNIC Region origin ASes present in the Internet Routing Table: 1216
APNIC Region origin ASes announcing only one prefix: 440
APNIC Region transit ASes present in the Internet Routing Table: 201
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 68953146
Equivalent to 4 /8s, 28 /16s and 36 /24s
Percentage of available APNIC address space announced: 67.8
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: 65666
Prefixes being announced from the ARIN address blocks: 48260
ARIN Region origin ASes present in the Internet Routing Table: 6114
ARIN Region origin ASes announcing only one prefix: 1825
ARIN Region transit ASes present in the Internet Routing Table: 619
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 180574838
Equivalent to 10 /8s, 195 /16s and 90 /24s
Percentage of available ARIN address space announced: 82.8
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
ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 21372
Prefixes being announced from the RIPE address blocks: 12716
RIPE Region origin ASes present in the Internet Routing Table: 2692
RIPE Region origin ASes announcing only one prefix: 1389
RIPE Region transit ASes present in the Internet Routing Table: 512
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 96551119
Equivalent to 5 /8s, 193 /16s and 64 /24s
Percentage of available RIPE address space announced: 82.2
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, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /19 equiv Description
1221 2088 684 Telstra
2764 431 139 connect.com.au pty ltd
703 376 204 UUNET Technologies, Inc.
2907 365 884 SINET Japan
4755 292 109 VSNL India
4538 243 1024 China Education and Research
7474 196 86 Optus Communications
4766 179 618 KORnet Powered BY Korea Telec
4763 177 34 Telstra New Zealand
4134 176 571 Data Communications Bureau
1237 164 71 System Engineering Research I
7657 160 12 The Internet Group Limited
9269 156 22 Hong Kong CTI
7545 153 10 TPG Internet Pty Ltd
4740 149 10 Ozemail
7539 145 96 Delegated to TWNIC for subseq
4786 128 7 NetConnect Communications Pty
7617 124 46 One.Net Pty Ltd
7586 123 9 Paradox Digital Pty. Ltd
9797 123 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
15412 7123 11043 FLAG Telecom Global Internet
702 425 641 UUNET Technologies, Inc.
3301 399 337 TeliaNet Sweden
1257 279 247 Swipnet AB
1270 276 448 UUNET Germany
680 203 913 Deutschef Forschurgsnetz
3215 203 235 RAIN
786 184 959 JANET IP Service
3320 158 710 Deutsche Telekom AG
1849 140 243 UUNET UK (formerly PIPEX)
517 128 134 Xlink
5400 125 33 Concert Internet Plus Europea
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
1290 116 206 PSINet UK Ltd.
2830 96 39 UUNET UK (formerly PIPEX)
1901 91 76 EUnet Austria
8708 90 5 Romania Data System
1267 87 929 IUnet S.p.A
3352 84 206 Ibernet, Internet A
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2428 3628 UUNET Technologies, Inc.
705 1306 59 UUNET Technologies, Inc.
1 969 4497 BBN Planet
7018 946 3047 AT&T
7046 794 551 UUNET Technologies, Inc.
1239 644 1596 Sprint ICM-Inria
2914 605 1219 Verio, Inc.
3561 561 1249 Cable & Wireless USA
174 546 2760 PSINet Inc.
3549 532 464 Global Crossing
4293 478 52 Cable & Wireless USA
209 445 675 Qwest
690 417 41 Merit Network
2548 398 514 Digital Express Group, Inc.
3908 384 262 Supernet, Inc.
8151 365 218 UniNet S.A. de C.V.
4323 337 136 Time Warner Communications, I
3967 332 223 Exodus Communication
1785 315 708 Sprint ICM
11371 315 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
15412 7123 11043 FLAG Telecom Global Internet
701 2428 3628 UUNET Technologies, Inc.
1221 2088 684 Telstra
705 1306 59 UUNET Technologies, Inc.
1 969 4497 BBN Planet
7018 946 3047 AT&T
7046 794 551 UUNET Technologies, Inc.
1239 644 1596 Sprint ICM-Inria
2914 605 1219 Verio, Inc.
3561 561 1249 Cable & Wireless USA
174 546 2760 PSINet Inc.
3549 532 464 Global Crossing
4293 478 52 Cable & Wireless USA
209 445 675 Qwest
2764 431 139 connect.com.au pty ltd
702 425 641 UUNET Technologies, Inc.
690 417 41 Merit Network
3301 399 337 TeliaNet Sweden
2548 398 514 Digital Express Group, Inc.
3908 384 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I
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,
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
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 IANA Reserved Addresses
----------------------------------
Network Origin AS Description
91.16.23.0/24 11770 Net56
106.1.1.0/24 5705 Sirius Solutions, Inc.
106.1.2.0/24 5705 Sirius Solutions, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:4 /10:4 /11:10 /12:29
/13:66 /14:204 /15:329 /16:6911 /17:1115 /18:2091
/19:6549 /20:5020 /21:4416 /22:6686 /23:8563 /24:59190
/25:262 /26:345 /27:148 /28:108 /29:67 /30:175
/31:1 /32:173
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:348 13:10 15:1 17:1 24:702
26:1 32:11 38:7 44:3 47:1 53:2
55:1 57:12 61:28 62:136 63:1909 64:1430
65:668 66:225 91:1 106:2 128:31 129:122
130:20 131:25 132:11 133:1 134:153 135:8
136:16 137:116 138:247 139:52 140:110 141:174
142:57 143:151 144:37 145:9 146:134 147:92
148:150 149:134 150:27 151:360 152:870 153:33
154:13 155:75 156:38 157:105 158:61 159:79
160:18 161:56 162:91 163:131 164:109 165:127
166:176 167:134 168:79 169:30 170:210 171:2
192:5369 193:1891 194:2061 195:756 196:377 198:3640
199:3357 200:1887 202:2483 203:4998 204:3388 205:2258
206:2729 207:2788 208:2909 209:3211 210:490 211:168
212:808 213:374 214:9 215:11 216:2873 217:179
End of report
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