Who owns MAC prefix 845B0C?

845B0C is registered to eFAB P.S.A. in the IEEE MA-L registry.

What devices use 845B0C?

Any network device with a MAC address starting 84:5B:0C was manufactured by or for eFAB P.S.A..

MA-L · OUI prefix

eFAB P.S.A.

Any MAC address starting 84:5B:0C is registered to eFAB P.S.A. in PL.

OUI prefix	845B0C
Vendor	eFAB P.S.A.
Registry	MA-L (24-bit, large block)
Country	PL
Example MAC	84:5B:0C:00:00:00

What this means

The IEEE assigned the MA-L block 845B0C to eFAB P.S.A.. 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 84:5B:0C, it is eFAB P.S.A. hardware.

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