What this means
The IEEE assigned the MA-L block 00509C to BETA RESEARCH. 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 00:50:9C, it is BETA RESEARCH hardware.
Frequently Asked Questions
Who owns MAC prefix 00509C?
00509C is registered to BETA RESEARCH 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. BETA RESEARCH's block covers 16,777,216 addresses.
What devices use 00509C?
Any network device with a MAC address starting 00:50:9C was manufactured by or for BETA RESEARCH.