Who owns MAC prefix 70B3D5CA4?

70B3D5CA4 is registered to Netemera Sp. z o.o. in the IEEE MA-S registry.

What devices use 70B3D5CA4?

Any network device with a MAC address starting 70:B3:D5:CA:4 was manufactured by or for Netemera Sp. z o.o..

MA-S · OUI prefix

Netemera Sp. z o.o.

Any MAC address starting 70:B3:D5:CA:4 is registered to Netemera Sp. z o.o. in PL.

OUI prefix	70B3D5CA4
Vendor	Netemera Sp. z o.o.
Registry	MA-S (36-bit, small block)
Country	PL
Example MAC	70:B3:D5:CA:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5CA4 to Netemera Sp. z o.o.. 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:CA:4, it is Netemera Sp. z o.o. hardware.

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