What this means

The IEEE assigned the MA-L block 142DF5 to Amphitech. 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 14:2D:F5, it is Amphitech hardware.

Frequently Asked Questions

Who owns MAC prefix 142DF5?

142DF5 is registered to Amphitech 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. Amphitech's block covers 16,777,216 addresses.

What devices use 142DF5?

Any network device with a MAC address starting 14:2D:F5 was manufactured by or for Amphitech.