What this means
The IEEE assigned the MA-L block 147EA1 to Britania Eletrônicos S.A.. 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 14:7E:A1, it is Britania Eletrônicos S.A. hardware.
Frequently Asked Questions
Who owns MAC prefix 147EA1?
147EA1 is registered to Britania Eletrônicos S.A. 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. Britania Eletrônicos S.A.'s block covers 16,777,216 addresses.
What devices use 147EA1?
Any network device with a MAC address starting 14:7E:A1 was manufactured by or for Britania Eletrônicos S.A..