What this means
The IEEE assigned the MA-L block A43412 to Thales Alenia Space. 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 A4:34:12, it is Thales Alenia Space hardware.
Frequently Asked Questions
Who owns MAC prefix A43412?
A43412 is registered to Thales Alenia Space 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. Thales Alenia Space's block covers 16,777,216 addresses.
What devices use A43412?
Any network device with a MAC address starting A4:34:12 was manufactured by or for Thales Alenia Space.