Who owns MAC prefix 70B3D576C?

70B3D576C is registered to Aural Ltd in the IEEE MA-S registry.

What devices use 70B3D576C?

Any network device with a MAC address starting 70:B3:D5:76:C was manufactured by or for Aural Ltd.

MA-S · OUI prefix

Aural Ltd

Any MAC address starting 70:B3:D5:76:C is registered to Aural Ltd.

OUI prefix	70B3D576C
Vendor	Aural Ltd
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:76:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D576C to Aural 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:D5:76:C, it is Aural Ltd hardware.

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