Who owns MAC prefix D03D52?

D03D52 is registered to Ava Security Limited in the IEEE MA-L registry.

What devices use D03D52?

Any network device with a MAC address starting D0:3D:52 was manufactured by or for Ava Security Limited.

MA-L · OUI prefix

Ava Security Limited

Any MAC address starting D0:3D:52 is registered to Ava Security Limited.

OUI prefix	D03D52
Vendor	Ava Security Limited
Registry	MA-L (24-bit, large block)
Example MAC	D0:3D:52:00:00:00

What this means

The IEEE assigned the MA-L block D03D52 to Ava Security Limited. 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 D0:3D:52, it is Ava Security Limited hardware.

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