What this means
The IEEE assigned the MA-L block 80283C to Sonova AG. 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 80:28:3C, it is Sonova AG hardware.
Frequently Asked Questions
Who owns MAC prefix 80283C?
80283C is registered to Sonova AG 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. Sonova AG's block covers 16,777,216 addresses.
What devices use 80283C?
Any network device with a MAC address starting 80:28:3C was manufactured by or for Sonova AG.