Who owns MAC prefix 70B3D556C?

70B3D556C is registered to Telensa Ltd in the IEEE MA-S registry.

What devices use 70B3D556C?

Any network device with a MAC address starting 70:B3:D5:56:C was manufactured by or for Telensa Ltd.

MA-S · OUI prefix

Telensa Ltd

Any MAC address starting 70:B3:D5:56:C is registered to Telensa Ltd.

OUI prefix	70B3D556C
Vendor	Telensa Ltd
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:56:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D556C to Telensa Ltd. 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:D5:56:C, it is Telensa Ltd hardware.

Look up another MAC