What this means
The IEEE assigned the MA-L block 504C7E to THE 41ST INSTITUTE OF CETC. 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 50:4C:7E, it is THE 41ST INSTITUTE OF CETC hardware.
Frequently Asked Questions
Who owns MAC prefix 504C7E?
504C7E is registered to THE 41ST INSTITUTE OF CETC 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. THE 41ST INSTITUTE OF CETC's block covers 16,777,216 addresses.
What devices use 504C7E?
Any network device with a MAC address starting 50:4C:7E was manufactured by or for THE 41ST INSTITUTE OF CETC.