You can match the MAC address to the device.įor example, to find your Mac’s MAC, go to System Preferences > Network. It shows both the LAN IP address and MAC address (mine are blacked out in the screenshot to keep them safe and hidden).
The devices include anything on your network, like Macs, PCs, iPhones, iPads, and routers. This will give you a list of devices, as shown below: You can do so by searching Spotlight, using Siri, or going into your Applications folder. Translation: If you need the IP or MAC address for a device on the same network as you, use ARP.įirst, we’ll need to open Terminal. Find Network Devices with ARPĪRP, or Address Resolution Protocol, is a communication protocol that’s used for exploring the link layer address associated with a network layer address. It will show IP addresses and MAC addresses, and is useful for troubleshooting and other situations. There’s a Terminal command called arp that lets you find network devices on your local area network (LAN).
