Ping Sweep is a network utility that quickly probes a range of IPv4 addresses (with ICMP transmissions) up to five thousand hosts in order to find out live hosts.
You have to specify a start IPv4 and an end IPv4 to launch ping sweep.
You can optionally specify ICMP transmission count on each host.
Ping Sweep will omit both ICMP unresponsive and non-routable live hosts as false negatives...
Results can be copied to clipboard by one button click.
Enjoy!