The arping command is one of the lesser known commands that works much like the ping command.
The name stands for “arp ping” and it’s a tool that allows you to perform limited ping requests in that it collects information on local systems only. The reason for this is that it uses a Layer 2 network protocol and is, therefore, non-routable. The arping command is used for discovering and probing hosts on your local network.
If arping isn’t installed on your system, you should be able take care of that with one of these commands:
Source:: Network World – Linux