What this means
The IEEE assigned the MA-M block 4C74A72 to Cyanview. 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 4C:74:A7:2, it is Cyanview hardware.
Frequently Asked Questions
Who owns MAC prefix 4C74A72?
4C74A72 is registered to Cyanview 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. Cyanview's block covers 1,048,576 addresses.
What devices use 4C74A72?
Any network device with a MAC address starting 4C:74:A7:2 was manufactured by or for Cyanview.