who_is_using_this_ip_address
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who_is_using_this_ip_address [2014/02/08 22:06] – samer | who_is_using_this_ip_address [2014/02/08 22:21] – samer | ||
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- | However things get complicated very rapidly since the route object information is not always provided or may be outdated. Trying for example to identify the AS announcing 203.178.141.194 (corresponding to the famous www.kame.net), | + | However things get complicated very rapidly since the route object information is not always provided or may be outdated. Trying for example to identify the AS announcing |
$ whois -h whois.apnic.net 203.178.141.194 | grep origin | $ whois -h whois.apnic.net 203.178.141.194 | grep origin | ||
Line 21: | Line 21: | ||
However, having access to a DFZ BGP router is not easy in practice. Alternatively, | However, having access to a DFZ BGP router is not easy in practice. Alternatively, | ||
- | Let us try for example to log on the Allstream route server in Canada and identify the origin AS of 148.60.0.0/ | + | Let us try for example to log on the Allstream route server in Canada and identify the origin AS of '' |
$ telnet route-server.east.bb.allstream.net | $ telnet route-server.east.bb.allstream.net | ||
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Community: 15290:3356 15290:64995 15290:65050 15290:65506 | Community: 15290:3356 15290:64995 15290:65050 15290:65506 | ||
- | Despite its availability, | + | Despite its availability, |
- | | + | |
- | | + | < |
+ | $ whois -h whois.cymru.com 148.60.0.0/ | ||
+ | AS | IP | AS Name | ||
+ | 2200 | 148.60.0.0 | ||
+ | </ | ||
+ | |||
+ | and another example that demonstrates the possibility of sending multiple addresses in the same query: | ||
+ | |||
+ | < | ||
+ | $ whois -h whois.cymru.com 148.60.0.0/ | ||
+ | AS | IP | AS Name | ||
+ | 2200 | 148.60.0.0 | ||
+ | AS | IP | AS Name | ||
+ | 2500 | 203.178.141.194 | ||
+ | </ | ||
+ | |||
+ | * A similar service was announced by the RIPE RIS project. Their whois server can be queried using '' | ||
$ whois -h riswhois.ripe.net 217.70.180.132 | $ whois -h riswhois.ripe.net 217.70.180.132 |
who_is_using_this_ip_address.txt · Last modified: 2014/02/15 23:31 by samer