What this means
The IEEE assigned the MA-L block 40F14C to ISE Europe SPRL. 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 40:F1:4C, it is ISE Europe SPRL hardware.
Frequently Asked Questions
Who owns MAC prefix 40F14C?
40F14C is registered to ISE Europe SPRL 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. ISE Europe SPRL's block covers 16,777,216 addresses.
What devices use 40F14C?
Any network device with a MAC address starting 40:F1:4C was manufactured by or for ISE Europe SPRL.