What this means
The IEEE assigned the MA-L block B89C13 to Alps Alpine. 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 B8:9C:13, it is Alps Alpine hardware.
Frequently Asked Questions
Who owns MAC prefix B89C13?
B89C13 is registered to Alps Alpine 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. Alps Alpine's block covers 16,777,216 addresses.
What devices use B89C13?
Any network device with a MAC address starting B8:9C:13 was manufactured by or for Alps Alpine.