Who owns MAC prefix B4C810?

B4C810 is registered to Umpi srl in the IEEE MA-L registry.

What devices use B4C810?

Any network device with a MAC address starting B4:C8:10 was manufactured by or for Umpi srl.

MA-L · OUI prefix

Umpi srl

Any MAC address starting B4:C8:10 is registered to Umpi srl in IT.

OUI prefix	B4C810
Vendor	Umpi srl
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	B4:C8:10:00:00:00

What this means

The IEEE assigned the MA-L block B4C810 to Umpi srl. 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 B4:C8:10, it is Umpi srl hardware.

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