Who owns MAC prefix 001F4C?

001F4C is registered to Roseman Engineering Ltd in the IEEE MA-L registry.

What devices use 001F4C?

Any network device with a MAC address starting 00:1F:4C was manufactured by or for Roseman Engineering Ltd.

MA-L · OUI prefix

Roseman Engineering Ltd

Any MAC address starting 00:1F:4C is registered to Roseman Engineering Ltd in IL.

OUI prefix	001F4C
Vendor	Roseman Engineering Ltd
Registry	MA-L (24-bit, large block)
Country	IL
Example MAC	00:1F:4C:00:00:00

What this means

The IEEE assigned the MA-L block 001F4C to Roseman Engineering Ltd. 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 00:1F:4C, it is Roseman Engineering Ltd hardware.

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