What this means
The IEEE assigned the MA-L block C4EF70 to Home Skinovations. 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 C4:EF:70, it is Home Skinovations hardware.
Frequently Asked Questions
Who owns MAC prefix C4EF70?
C4EF70 is registered to Home Skinovations 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. Home Skinovations's block covers 16,777,216 addresses.
What devices use C4EF70?
Any network device with a MAC address starting C4:EF:70 was manufactured by or for Home Skinovations.