Who owns MAC prefix F4A4546?

F4A4546 is registered to Introl Design in the IEEE MA-M registry.

What devices use F4A4546?

Any network device with a MAC address starting F4:A4:54:6 was manufactured by or for Introl Design.

MA-M · OUI prefix

Introl Design

Any MAC address starting F4:A4:54:6 is registered to Introl Design in US.

OUI prefix	F4A4546
Vendor	Introl Design
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	F4:A4:54:6:00:00:00

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.

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