What this means
The IEEE assigned the MA-L block 7484E1 to Dongguan Haoyuan Electronics 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 74:84:E1, it is Dongguan Haoyuan Electronics Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 7484E1?
7484E1 is registered to Dongguan Haoyuan Electronics 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. Dongguan Haoyuan Electronics Co.,Ltd's block covers 16,777,216 addresses.
What devices use 7484E1?
Any network device with a MAC address starting 74:84:E1 was manufactured by or for Dongguan Haoyuan Electronics Co.,Ltd.