What this means
The IEEE assigned the MA-L block 189C2C to Dongguan Huayin Electronic 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 18:9C:2C, it is Dongguan Huayin Electronic Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 189C2C?
189C2C is registered to Dongguan Huayin Electronic 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. Dongguan Huayin Electronic Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 189C2C?
Any network device with a MAC address starting 18:9C:2C was manufactured by or for Dongguan Huayin Electronic Technology Co., Ltd..