What this means
The IEEE assigned the MA-L block 54FFCF to Mopria Alliance. 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 54:FF:CF, it is Mopria Alliance hardware.
Frequently Asked Questions
Who owns MAC prefix 54FFCF?
54FFCF is registered to Mopria Alliance 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. Mopria Alliance's block covers 16,777,216 addresses.
What devices use 54FFCF?
Any network device with a MAC address starting 54:FF:CF was manufactured by or for Mopria Alliance.