Who owns MAC prefix B481BF?

B481BF is registered to Meta-Networks, LLC in the IEEE MA-L registry.

What devices use B481BF?

Any network device with a MAC address starting B4:81:BF was manufactured by or for Meta-Networks, LLC.

MA-L · OUI prefix

Meta-Networks, LLC

Any MAC address starting B4:81:BF is registered to Meta-Networks, LLC in RU.

OUI prefix	B481BF
Vendor	Meta-Networks, LLC
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	B4:81:BF:00:00:00

What this means

The IEEE assigned the MA-L block B481BF to Meta-Networks, LLC. 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 B4:81:BF, it is Meta-Networks, LLC hardware.

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