What this means

The IEEE assigned the MA-M block F4979D3 to Equinox Power. 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 F4:97:9D:3, it is Equinox Power hardware.

Frequently Asked Questions

Who owns MAC prefix F4979D3?

F4979D3 is registered to Equinox Power in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Equinox Power's block covers 1,048,576 addresses.

What devices use F4979D3?

Any network device with a MAC address starting F4:97:9D:3 was manufactured by or for Equinox Power.