What this means
The IEEE assigned the MA-L block FC0647 to Cortland Research, LLC. 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 FC:06:47, it is Cortland Research, LLC hardware.
Frequently Asked Questions
Who owns MAC prefix FC0647?
FC0647 is registered to Cortland Research, LLC 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. Cortland Research, LLC's block covers 16,777,216 addresses.
What devices use FC0647?
Any network device with a MAC address starting FC:06:47 was manufactured by or for Cortland Research, LLC.