What this means
The IEEE assigned the MA-L block C04301 to Epec Oy. 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 C0:43:01, it is Epec Oy hardware.
Frequently Asked Questions
Who owns MAC prefix C04301?
C04301 is registered to Epec Oy 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. Epec Oy's block covers 16,777,216 addresses.
What devices use C04301?
Any network device with a MAC address starting C0:43:01 was manufactured by or for Epec Oy.