The original purpose for this tool is to find Raspberry Pi address and MAC when it is connected to the same network with your computer.
npx find-local-ips
192.168.2.102 (Raspberry Pi Foundation)
192.168.2.112 (Apple)
192.168.2.135 (Philips Lighting BV)
192.168.2.139 (ma:ca:dd:re:ss:00)