X-NetStat Professional 5.5 is a practical tool to administer LANs. It lets you continually watch which of your PCs is connected to the Internet at any time.
Without doubt it is a practical utility to block Internet access to those employees who at that moment shouldn`t be using it.
It also comes integrated with all the tools needed to make periodic LAN checks, like traceroute, information on each PC (IP, ports, protocol, actual state, active processes, etc), whois, finger, lookup, etc