Hi there!
I hope this is the right forum... (if not...please, don't kill me, i'm not a native english ).

I'm currently working on a simple gui for sslstrip, but i need an advice on how to retrieve via bash all the "live" hosts without knowing the netmask of an interface.
An example...
I wanna scan my network over eth0 and the only thing that i "know" atm is the current ip and the interface that i wanna use.
Is there a way to scan my network with only these parameters or should i work hardly on the netmask? (if it's 255.255.255.0 is quite simple...).

Any idea?

Many thanks!