What this means
The IEEE assigned the MA-L block 4016FA to EKM Metering. 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 40:16:FA, it is EKM Metering hardware.
Frequently Asked Questions
Who owns MAC prefix 4016FA?
4016FA is registered to EKM Metering 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. EKM Metering's block covers 16,777,216 addresses.
What devices use 4016FA?
Any network device with a MAC address starting 40:16:FA was manufactured by or for EKM Metering.