What this means
The IEEE assigned the MA-L block 78EC74 to Kyland-USA. 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 78:EC:74, it is Kyland-USA hardware.
Frequently Asked Questions
Who owns MAC prefix 78EC74?
78EC74 is registered to Kyland-USA 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. Kyland-USA's block covers 16,777,216 addresses.
What devices use 78EC74?
Any network device with a MAC address starting 78:EC:74 was manufactured by or for Kyland-USA.