What this means
The IEEE assigned the MA-M block C022F1D to Envent Engineering. 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 C0:22:F1:D, it is Envent Engineering hardware.
Frequently Asked Questions
Who owns MAC prefix C022F1D?
C022F1D is registered to Envent Engineering in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Envent Engineering's block covers 1,048,576 addresses.
What devices use C022F1D?
Any network device with a MAC address starting C0:22:F1:D was manufactured by or for Envent Engineering.