Who owns MAC prefix 70B3D5F9F?

70B3D5F9F is registered to M.A.C. Solutions (UK) Ltd in the IEEE MA-S registry.

What devices use 70B3D5F9F?

Any network device with a MAC address starting 70:B3:D5:F9:F was manufactured by or for M.A.C. Solutions (UK) Ltd.

MA-S · OUI prefix

M.A.C. Solutions (UK) Ltd

Any MAC address starting 70:B3:D5:F9:F is registered to M.A.C. Solutions (UK) Ltd.

OUI prefix	70B3D5F9F
Vendor	M.A.C. Solutions (UK) Ltd
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:F9:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5F9F to M.A.C. Solutions (UK) 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:F9:F, it is M.A.C. Solutions (UK) Ltd hardware.

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