# basic usage
sudo arp-scan 172.16.10.0/24 -I br_public
# with file
sudo arp-scan -f live_hosts -I br_public
# plain output & IPs
sudo arp-scan 172.16.10.0/24 -x -I br_public | awk '{print $1}'
# default output & IPs
sudo arp-scan 172.16.10.0/24 -I br_public | awk 'NR > 2 && NR <7 {print $1}'