Who owns MAC prefix 70B3D5CD3?

70B3D5CD3 is registered to Controlrad in the IEEE MA-S registry.

What devices use 70B3D5CD3?

Any network device with a MAC address starting 70:B3:D5:CD:3 was manufactured by or for Controlrad.

MA-S · OUI prefix

Controlrad

Any MAC address starting 70:B3:D5:CD:3 is registered to Controlrad in IL.

OUI prefix	70B3D5CD3
Vendor	Controlrad
Registry	MA-S (36-bit, small block)
Country	IL
Example MAC	70:B3:D5:CD:3:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5CD3 to Controlrad. 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:CD:3, it is Controlrad hardware.

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