What this means
The IEEE assigned the MA-L block C4F122 to Nexar Ltd.. 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:F1:22, it is Nexar Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C4F122?
C4F122 is registered to Nexar Ltd. 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. Nexar Ltd.'s block covers 16,777,216 addresses.
What devices use C4F122?
Any network device with a MAC address starting C4:F1:22 was manufactured by or for Nexar Ltd..