tie our $ip_from, 'server::tie', 'ip_from' => 10;
tie our $ip_to, 'server::tie', 'ip_to' => 100;
tie our $domain, 'server::tie', 'domain' => 'pxelator.lan';
+tie our $new_clients, 'server::tie', 'new_clients' => $ip_to - $ip_from;
warn "DEV $ip $bcast $netmask";