What this means
The IEEE assigned the MA-L block 14A9E3 to MST CORPORATION. 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:A9:E3, it is MST CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix 14A9E3?
14A9E3 is registered to MST CORPORATION 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. MST CORPORATION's block covers 16,777,216 addresses.
What devices use 14A9E3?
Any network device with a MAC address starting 14:A9:E3 was manufactured by or for MST CORPORATION.