What this means
The IEEE assigned the MA-M block F4A4546 to Introl Design. 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:A4:54:6, it is Introl Design hardware.
Frequently Asked Questions
Who owns MAC prefix F4A4546?
F4A4546 is registered to Introl Design 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. Introl Design's block covers 1,048,576 addresses.
What devices use F4A4546?
Any network device with a MAC address starting F4:A4:54:6 was manufactured by or for Introl Design.