On Wed, 1 Oct 2003, Matthew Palmer wrote:
> On Wed, Oct 01, 2003 at 08:15:23AM +1000, David wrote:
> > Is there a way of figuring out what IP numbers are located in .au?
> >
> > I know I can reverse look up and test for .au but that doesn't always
> > work. I assume that somewhere there must be a list of allocations.
>
> ARIN keeps a list of first-level allocations. A whois query to
> whois.arin.net for the IP address of interest should provide you with a
> record, from which you can retrieve the country code and see if it evaluates
> to AU. Try it - run 'whois 203.1.2.3 | grep "^country:"' in a terminal.
> Lovely. Repeat with any IP address you like, maybe even write a bit of awk
> or sed or something to strip out everything except the country code.
>
> Problem is, that ARIN (like most whois operators) doesn't want everyone
> hammering their whois servers, so if you make more than a certain number of
> queries in a certain time period, the server will just stop answering you
> for a while (a day or two, normally). Not what you're after, I'm sure.
I assumed you meant "whois <ip>@whois.arin.net" and you could basically
cache the NetRange: part depending on your application. EG if you just
care whether it's Australia or not.
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