What this means
The IEEE assigned the MA-L block 44B994 to Douglas Lighting Controls. 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 44:B9:94, it is Douglas Lighting Controls hardware.
Frequently Asked Questions
Who owns MAC prefix 44B994?
44B994 is registered to Douglas Lighting Controls 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. Douglas Lighting Controls's block covers 16,777,216 addresses.
What devices use 44B994?
Any network device with a MAC address starting 44:B9:94 was manufactured by or for Douglas Lighting Controls.