Who owns MAC prefix 4CF45B?

4CF45B is registered to Blue Clover Devices in the IEEE MA-L registry.

What devices use 4CF45B?

Any network device with a MAC address starting 4C:F4:5B was manufactured by or for Blue Clover Devices.

MA-L · OUI prefix

Blue Clover Devices

Any MAC address starting 4C:F4:5B is registered to Blue Clover Devices in US.

OUI prefix	4CF45B
Vendor	Blue Clover Devices
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:F4:5B:00:00:00

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.

Look up another MAC