What this means
The IEEE assigned the MA-L block 0474A1 to Aligera Equipamentos Digitais Ltda. 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 04:74:A1, it is Aligera Equipamentos Digitais Ltda hardware.
Frequently Asked Questions
Who owns MAC prefix 0474A1?
0474A1 is registered to Aligera Equipamentos Digitais Ltda 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. Aligera Equipamentos Digitais Ltda's block covers 16,777,216 addresses.
What devices use 0474A1?
Any network device with a MAC address starting 04:74:A1 was manufactured by or for Aligera Equipamentos Digitais Ltda.