Fing

From Overlook: Fing is the command line tool for network and service discovery. Taking advantage of a brand new cross-platform network engine, it reaches an impressive discovery sharpness and speed: you're going to discover your whole network in few seconds and generate customized real-time reports. The network discovery provides you a complete view of any network in a very short time Fing smart discovery automatically detects the network type and uses the best technique to take the picture of it.