Trogon MAC Scanner is a professional tool designed to scan networks for IP and MAC addresses. You will always know which computers and other network devices connected to the network, who are used them and where they are located.
Netscan Alternatives
Netscan is described as 'Find out what else is on the network with your iPhone. Find other servers, router printers and other wifi devices. Even discover devices that were recently online but are already offline or "stealth"' and is a Network Monitor in the network & admin category. There are more than 10 alternatives to Netscan for a variety of platforms, including Windows, Android, Mac, Linux and iPhone apps. The best Netscan alternative is Fing, which is free. Other great apps like Netscan are Advanced IP Scanner, Port Authority, Radien and Wireless Network Watcher.