What this means
The IEEE assigned the MA-L block D42751 to Infopia 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 D4:27:51, it is Infopia Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D42751?
D42751 is registered to Infopia 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. Infopia Co., Ltd's block covers 16,777,216 addresses.
What devices use D42751?
Any network device with a MAC address starting D4:27:51 was manufactured by or for Infopia Co., Ltd.