pi@raspberrypi:~ $ sudo nmap -sP -n 192.168.8.0/24  |grep -i 00:22:4D:D8:8E:7A -B2
Nmap scan report for 192.168.8.82
Host is up (0.00047s latency).
MAC Address: 00:22:4D:D8:8E:7A (Mitac International)
pi@raspberrypi:~ $

https://192.168.8.83/


pi@raspberrypi:~ $ sudo nmap -sP -n 192.168.8.0/24  |grep -i 00:22:4D:D8:8E:7B -B2
Nmap scan report for 192.168.8.83
Host is up (0.00031s latency).
MAC Address: 00:22:4D:D8:8E:7B (Mitac International)
pi@raspberrypi:~