What this means
The IEEE assigned the MA-L block A041A7 to NL Ministry of Defense. 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 A0:41:A7, it is NL Ministry of Defense hardware.
Frequently Asked Questions
Who owns MAC prefix A041A7?
A041A7 is registered to NL Ministry of Defense 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. NL Ministry of Defense's block covers 16,777,216 addresses.
What devices use A041A7?
Any network device with a MAC address starting A0:41:A7 was manufactured by or for NL Ministry of Defense.