What this means
The IEEE assigned the MA-L block C8E42F to Technical Research Design and Development. 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 C8:E4:2F, it is Technical Research Design and Development hardware.
Frequently Asked Questions
Who owns MAC prefix C8E42F?
C8E42F is registered to Technical Research Design and Development 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. Technical Research Design and Development's block covers 16,777,216 addresses.
What devices use C8E42F?
Any network device with a MAC address starting C8:E4:2F was manufactured by or for Technical Research Design and Development.