Who owns MAC prefix B05B1F?

B05B1F is registered to THERMO FISHER SCIENTIFIC S.P.A. in the IEEE MA-L registry.

What devices use B05B1F?

Any network device with a MAC address starting B0:5B:1F was manufactured by or for THERMO FISHER SCIENTIFIC S.P.A..

MA-L · OUI prefix

THERMO FISHER SCIENTIFIC S.P.A.

Any MAC address starting B0:5B:1F is registered to THERMO FISHER SCIENTIFIC S.P.A. in IT.

OUI prefix	B05B1F
Vendor	THERMO FISHER SCIENTIFIC S.P.A.
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	B0:5B:1F:00:00:00

What this means

The IEEE assigned the MA-L block B05B1F to THERMO FISHER SCIENTIFIC S.P.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 B0:5B:1F, it is THERMO FISHER SCIENTIFIC S.P.A. hardware.

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