Who owns MAC prefix 70B3D532B?

70B3D532B is registered to RTA srl in the IEEE MA-S registry.

What devices use 70B3D532B?

Any network device with a MAC address starting 70:B3:D5:32:B was manufactured by or for RTA srl.

MA-S · OUI prefix

RTA srl

Any MAC address starting 70:B3:D5:32:B is registered to RTA srl in IT.

OUI prefix	70B3D532B
Vendor	RTA srl
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:32:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D532B to RTA srl. 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:D5:32:B, it is RTA srl hardware.

Look up another MAC