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