What this means
The IEEE assigned the MA-L block 00075E to Ametek Power Instruments. 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 00:07:5E, it is Ametek Power Instruments hardware.
Frequently Asked Questions
Who owns MAC prefix 00075E?
00075E is registered to Ametek Power Instruments 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. Ametek Power Instruments's block covers 16,777,216 addresses.
What devices use 00075E?
Any network device with a MAC address starting 00:07:5E was manufactured by or for Ametek Power Instruments.