What this means
The IEEE assigned the MA-M block CC22379 to E Ink Corp. 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 CC:22:37:9, it is E Ink Corp hardware.
Frequently Asked Questions
Who owns MAC prefix CC22379?
CC22379 is registered to E Ink Corp 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. E Ink Corp's block covers 1,048,576 addresses.
What devices use CC22379?
Any network device with a MAC address starting CC:22:37:9 was manufactured by or for E Ink Corp.