How to exactly determine country of an exit node

[Nico Weinreich]

Olaf Selke schrieb:
> what do you consider a "German server"?
>
> - a server with a German ip address according to the ripe db
> - a server physically located in Germany
> - a server with an ip address reverse resolving to a .de domain
> - a server operated by a German individual
>
>
>   
I think the first and third arguments are the interesting one for me. 
Resolving an ip to a domain isn't possible all the time, because some ip 
addresses don't resolve.

> Recently I dumped my own dns cache into a perl script and compared the
> ip addresses stored with those from an open danish dns server poisoned
> with the danish dns blocklist. I found a lot of blocked servers within
> the Chinese tld .cn using ip address space from the US.
>   

OK, but there are german ip addresses which resolve to a .net domain or 
so. A check against ripe db would be the best. So there is the "whois 
for all ip addresses" again.

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