Who owns MAC prefix 40F413?

40F413 is registered to Rubezh in the IEEE MA-L registry.

What devices use 40F413?

Any network device with a MAC address starting 40:F4:13 was manufactured by or for Rubezh.

MA-L · OUI prefix

Rubezh

Any MAC address starting 40:F4:13 is registered to Rubezh in RU.

OUI prefix	40F413
Vendor	Rubezh
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	40:F4:13:00:00:00

What this means

The IEEE assigned the MA-L block 40F413 to Rubezh. 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 40:F4:13, it is Rubezh hardware.

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