TIMTOWTDI. :)
1. you can use gethostbyaddr 
if($input =~ /^\d+.\d+.\d+.\d+$/) 
    {
        my $name = gethostbyaddr(inet_aton($input),AF_INET);
}

[download]
Other way, complicated, but gives u more accurate information is
2. Querying a website ARIN
Gives you much more information by typing the IP in the "Who is" page.
Raghu

In reply to Re: IP address to Hostname by imrags
in thread IP address to Hostname by sanPerl

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