What this means
The IEEE assigned the MA-M block F420552 to Elehear inc.. 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 F4:20:55:2, it is Elehear inc. hardware.
Frequently Asked Questions
Who owns MAC prefix F420552?
F420552 is registered to Elehear inc. 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. Elehear inc.'s block covers 1,048,576 addresses.
What devices use F420552?
Any network device with a MAC address starting F4:20:55:2 was manufactured by or for Elehear inc..