Who owns MAC prefix 70B3D5EFB?

70B3D5EFB is registered to PXM sp.k. in the IEEE MA-S registry.

What devices use 70B3D5EFB?

Any network device with a MAC address starting 70:B3:D5:EF:B was manufactured by or for PXM sp.k..

MA-S · OUI prefix

PXM sp.k.

Any MAC address starting 70:B3:D5:EF:B is registered to PXM sp.k. in PL.

OUI prefix	70B3D5EFB
Vendor	PXM sp.k.
Registry	MA-S (36-bit, small block)
Country	PL
Example MAC	70:B3:D5:EF:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5EFB to PXM sp.k.. 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 70:B3:D5:EF:B, it is PXM sp.k. hardware.

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