What this means

The IEEE assigned the MA-L block F0C71F to Arista Networks. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting F0:C7:1F, it is Arista Networks hardware.

Frequently Asked Questions

Who owns MAC prefix F0C71F?

F0C71F is registered to Arista Networks in the IEEE MA-L registry.

What does the MA-L registry type mean?

An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Arista Networks's block covers 16,777,216 addresses.

What devices use F0C71F?

Any network device with a MAC address starting F0:C7:1F was manufactured by or for Arista Networks.