What this means
The IEEE assigned the MA-L block B42C92 to Zhejiang Weirong Electronic 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 B4:2C:92, it is Zhejiang Weirong Electronic Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix B42C92?
B42C92 is registered to Zhejiang Weirong Electronic 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. Zhejiang Weirong Electronic Co., Ltd's block covers 16,777,216 addresses.
What devices use B42C92?
Any network device with a MAC address starting B4:2C:92 was manufactured by or for Zhejiang Weirong Electronic Co., Ltd.