What this means
The IEEE assigned the MA-L block B42E99 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 B4:2E:99, it is GIGA-BYTE TECHNOLOGY CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix B42E99?
B42E99 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 B42E99?
Any network device with a MAC address starting B4:2E:99 was manufactured by or for GIGA-BYTE TECHNOLOGY CO.,LTD..