Ping all addresses in network, windows

Question

Is it possible in windows cmd line to check all of the network addresses (with ping or similar) to see which ones are taken/ have active devices:

ie. something that does

Answer 1

Provided the windows box is in the same subnet:

for /L %a in (1,1,254) do start ping 192.168.0.%a

This will complete in less than 15 seconds and

arp -a 

will return any alive host.

Fastest native way I know of in Windows.