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.
Frequently Asked Questions
Who owns MAC prefix D04433?
D04433 is registered to Clourney Semiconductor in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Clourney Semiconductor's block covers 16,777,216 addresses.
What devices use D04433?
Any network device with a MAC address starting D0:44:33 was manufactured by or for Clourney Semiconductor.