What this means
The IEEE assigned the MA-L block FCFE77 to Hitachi Reftechno, 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 FC:FE:77, it is Hitachi Reftechno, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix FCFE77?
FCFE77 is registered to Hitachi Reftechno, 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. Hitachi Reftechno, Inc.'s block covers 16,777,216 addresses.
What devices use FCFE77?
Any network device with a MAC address starting FC:FE:77 was manufactured by or for Hitachi Reftechno, Inc..