What this means
The IEEE assigned the MA-L block D43D7E to Micro-Star Int'l 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 D4:3D:7E, it is Micro-Star Int'l Co, Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D43D7E?
D43D7E is registered to Micro-Star Int'l 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. Micro-Star Int'l Co, Ltd's block covers 16,777,216 addresses.
What devices use D43D7E?
Any network device with a MAC address starting D4:3D:7E was manufactured by or for Micro-Star Int'l Co, Ltd.