What this means
The IEEE assigned the MA-L block 74563C to GIGA-BYTE TECHNOLOGY CO.,LTD.. 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 74:56:3C, it is GIGA-BYTE TECHNOLOGY CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 74563C?
74563C is registered to GIGA-BYTE TECHNOLOGY CO.,LTD. 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. GIGA-BYTE TECHNOLOGY CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 74563C?
Any network device with a MAC address starting 74:56:3C was manufactured by or for GIGA-BYTE TECHNOLOGY CO.,LTD..