What this means
The IEEE assigned the MA-L block 746AB3 to MICIUS Laboratory. 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 74:6A:B3, it is MICIUS Laboratory hardware.
Frequently Asked Questions
Who owns MAC prefix 746AB3?
746AB3 is registered to MICIUS Laboratory 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. MICIUS Laboratory's block covers 16,777,216 addresses.
What devices use 746AB3?
Any network device with a MAC address starting 74:6A:B3 was manufactured by or for MICIUS Laboratory.