Who owns MAC prefix 90DFB7?

90DFB7 is registered to s.m.s smart microwave sensors GmbH in the IEEE MA-L registry.

What devices use 90DFB7?

Any network device with a MAC address starting 90:DF:B7 was manufactured by or for s.m.s smart microwave sensors GmbH.

MA-L · OUI prefix

s.m.s smart microwave sensors GmbH

Any MAC address starting 90:DF:B7 is registered to s.m.s smart microwave sensors GmbH in DE.

OUI prefix	90DFB7
Vendor	s.m.s smart microwave sensors GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	90:DF:B7:00:00:00

What this means

The IEEE assigned the MA-L block 90DFB7 to s.m.s smart microwave sensors GmbH. 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 90:DF:B7, it is s.m.s smart microwave sensors GmbH hardware.

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