What this means
The IEEE assigned the MA-L block 0007EF to Lockheed Martin Tactical Systems. 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 00:07:EF, it is Lockheed Martin Tactical Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 0007EF?
0007EF is registered to Lockheed Martin Tactical Systems 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. Lockheed Martin Tactical Systems's block covers 16,777,216 addresses.
What devices use 0007EF?
Any network device with a MAC address starting 00:07:EF was manufactured by or for Lockheed Martin Tactical Systems.