![]() ![]() If the output doesn’t look up to date, or if it’s missing an IP you believe should be there, ping the broadcast IP (typically the last result of arp -a ending with “.255”), then run arp -a again like so. ? (192.168.0.255) at ff:ff:ff:ff:ff:ff on en0 ifscope How to Find IP Addresses of Devices on a Local Network with ping & arp (For the latter, you can help distinguish hardware by matching them up to the MAC address found in MacOS X or in iOS).Īn example of arp -a output looks like this: ![]() This will return devices found on the local network, including other Macs, PCs, routers, iPhones, and iPads, displaying both their LAN IP address as well as their individual MAC address. ![]() For the purposes we want to achieve here, the most simple use of arp is with an -a flag attached: The arp tool is uses ARP (Address Resolution Protocol) to display and control network address resolution functions. To get started, launch the Terminal app from /Applications/Utilities/ (or accessed with Spotlight and Command+Spacebar). ![]()
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