Who owns MAC prefix B4DF430?

B4DF430 is registered to Metatronix srl in the IEEE MA-M registry.

What devices use B4DF430?

Any network device with a MAC address starting B4:DF:43:0 was manufactured by or for Metatronix srl.

MA-M · OUI prefix

Metatronix srl

Any MAC address starting B4:DF:43:0 is registered to Metatronix srl in IT.

OUI prefix	B4DF430
Vendor	Metatronix srl
Registry	MA-M (28-bit, medium block)
Country	IT
Example MAC	B4:DF:43:0:00:00:00

What this means

The IEEE assigned the MA-M block B4DF430 to Metatronix 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:DF:43:0, it is Metatronix srl hardware.

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