What this means
The IEEE assigned the MA-L block B4B5AF to Minsung Electronics. 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 B4:B5:AF, it is Minsung Electronics hardware.
Frequently Asked Questions
Who owns MAC prefix B4B5AF?
B4B5AF is registered to Minsung Electronics 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. Minsung Electronics's block covers 16,777,216 addresses.
What devices use B4B5AF?
Any network device with a MAC address starting B4:B5:AF was manufactured by or for Minsung Electronics.