ネットワークを 192.168.0.0/24 と仮定.
C:\>ping 192.168.0.255 Pinging 192.168.0.255 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.0.255: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), C:\>arp -a
……もうちょっとマシなやり方がある気がしますっ!!><;