What this means
The IEEE assigned the MA-L block E084F3 to High Grade Controls Corporation. 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 E0:84:F3, it is High Grade Controls Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix E084F3?
E084F3 is registered to High Grade Controls Corporation 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. High Grade Controls Corporation's block covers 16,777,216 addresses.
What devices use E084F3?
Any network device with a MAC address starting E0:84:F3 was manufactured by or for High Grade Controls Corporation.