What this means
The IEEE assigned the MA-L block 54C1D3 to Guangzhou TR Intelligent Manufacturing 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 54:C1:D3, it is Guangzhou TR Intelligent Manufacturing Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 54C1D3?
54C1D3 is registered to Guangzhou TR Intelligent Manufacturing 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. Guangzhou TR Intelligent Manufacturing Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 54C1D3?
Any network device with a MAC address starting 54:C1:D3 was manufactured by or for Guangzhou TR Intelligent Manufacturing Technology Co., Ltd.