arp-scan (Fast local network scan)
sudo apt install arp-scan
usage
sudo arp-scan --localnet
result
sap@raspberrypi:~ $ sudo arp-scan --localnet Interface: wlan0, type: EN10MB, MAC: d8:3a:dd:5c:66:7b, IPv4: 192.168.1.10 Starting arp-scan 1.9.7 with 256 hosts (https://github.com/royhills/arp-scan) 192.168.1.1 28:6d:da:1e:21:60 (Unknown) 192.168.1.2 d4:ca:6d:a5:16:a2 Routerboard.com 192.168.1.3 96:04:43:1e:99:33 (Unknown: locally administered)