What this means
The IEEE assigned the MA-L block E456CA to Fractal BMS. 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 E4:56:CA, it is Fractal BMS hardware.
Frequently Asked Questions
Who owns MAC prefix E456CA?
E456CA is registered to Fractal BMS 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. Fractal BMS's block covers 16,777,216 addresses.
What devices use E456CA?
Any network device with a MAC address starting E4:56:CA was manufactured by or for Fractal BMS.