What this means
The IEEE assigned the MA-L block 4CF45B to Blue Clover Devices. 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 4C:F4:5B, it is Blue Clover Devices hardware.
Frequently Asked Questions
Who owns MAC prefix 4CF45B?
4CF45B is registered to Blue Clover Devices 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. Blue Clover Devices's block covers 16,777,216 addresses.
What devices use 4CF45B?
Any network device with a MAC address starting 4C:F4:5B was manufactured by or for Blue Clover Devices.