note fokat <p>[cpan://NetAddr::IP] gives you a convenient way to do what you want.</p> <p>Say you know your <em>home</em> IP address can be in the range 10.0.0.0 to 10.0.0.255 (or 10.0.0/24, in proper CIDR notation). Your code could then...</p> <CODE> use NetAddr::IP; my $home_net = new NetAddr::IP '10.0.0/24'; # ... while (<HANDLE_READING_YOUR_LOG>) { my ($string_ip, $rest) = split(/\s+/, $_, 2); my $ip = new NetAddr::IP $string_ip; next if $home_net->contains($ip); # Happily process $string_ip and $rest as it is not from your home net # ... } </code> <!-- Node text goes above. Div tags should contain sig only --> <div class="pmsig"><div class="pmsig-107541"> <P>Best regards</P> <P>-<A HREF="http://mipagina.cantv.net/lem/">lem</A>, but some call me fokat </div></div> 453351 453351