[Lazarus] Getting a remote hostname

[Sven Barth]

On 05.08.2013 19:34, Richard Mace wrote:
> Hi,
> What's the best/easiest/only was of getting a host name via an IP address?
>
> Effectively, i'd like to "ping" a number of ip addresses and see what
> the host name is so that I can present the list to the user.
>
> Thanks in advance

Just in case: you are hopefully aware that one IP address can map to 
multiple host names?

What you are looking for is called "reverse DNS lookup" and while I 
don't know much about it maybe the wiki article is a valuable starting 
point for a search: http://en.wikipedia.org/wiki/Reverse_DNS_lookup

Regards,
Sven