What this means
The IEEE assigned the MA-L block CC04B4 to Select Comfort. 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:04:B4, it is Select Comfort hardware.
Frequently Asked Questions
Who owns MAC prefix CC04B4?
CC04B4 is registered to Select Comfort 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. Select Comfort's block covers 16,777,216 addresses.
What devices use CC04B4?
Any network device with a MAC address starting CC:04:B4 was manufactured by or for Select Comfort.