Who owns MAC prefix F0F9F7?

F0F9F7 is registered to IES GmbH & Co. KG in the IEEE MA-L registry.

What devices use F0F9F7?

Any network device with a MAC address starting F0:F9:F7 was manufactured by or for IES GmbH & Co. KG.

MA-L · OUI prefix

IES GmbH & Co. KG

Any MAC address starting F0:F9:F7 is registered to IES GmbH & Co. KG in DE.

OUI prefix	F0F9F7
Vendor	IES GmbH & Co. KG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	F0:F9:F7:00:00:00

What this means

The IEEE assigned the MA-L block F0F9F7 to IES GmbH & Co. KG. 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 F0:F9:F7, it is IES GmbH & Co. KG hardware.

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