# fping > A more powerful ping which can ping multiple hosts. - List alive hosts within a subnet generated from a netmask: `fping -a -g 192.168.1.0/24` - List alive hosts within a subnet generated from an IP range: `fping -a -g 192.168.1.1 192.168.1.254` - List unreachable hosts within a subnet generated from a netmask: `fping -u -g 192.168.1.0/24`