What this means
The IEEE assigned the MA-L block 50A9DE to Smartcom - Bulgaria AD. 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 50:A9:DE, it is Smartcom - Bulgaria AD hardware.
Frequently Asked Questions
Who owns MAC prefix 50A9DE?
50A9DE is registered to Smartcom - Bulgaria AD 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. Smartcom - Bulgaria AD's block covers 16,777,216 addresses.
What devices use 50A9DE?
Any network device with a MAC address starting 50:A9:DE was manufactured by or for Smartcom - Bulgaria AD.