Who owns MAC prefix D04433?

D04433 is registered to Clourney Semiconductor in the IEEE MA-L registry.

What devices use D04433?

Any network device with a MAC address starting D0:44:33 was manufactured by or for Clourney Semiconductor.

MA-L · OUI prefix

Clourney Semiconductor

Any MAC address starting D0:44:33 is registered to Clourney Semiconductor in CN.

OUI prefix	D04433
Vendor	Clourney Semiconductor
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D0:44:33:00:00:00

What this means

The IEEE assigned the MA-L block D04433 to Clourney Semiconductor. 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 D0:44:33, it is Clourney Semiconductor hardware.

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