The MAC address may also be known as ethernet hardware address (EHA), hardware address, adapter address,
or physical address of a computer or networking device.
Common tools display the MAC address of a device, or of devices present in the same local network.
The MAC address is 24 bit long, formatted like
This calculator looks up the manufacturer or vendor of one or multiple MAC addresses by looking up the first 24 bit of the MAC address in the IEEE registration table.
Enter one or multiple MAC addresses, one per line, or directly