What this means

The IEEE assigned the MA-M block 5CF838C to Sichuan Zhongguang Lightning Protection Technologies 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 5C:F8:38:C, it is Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. hardware.

Frequently Asked Questions

Who owns MAC prefix 5CF838C?

5CF838C is registered to Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Sichuan Zhongguang Lightning Protection Technologies Co., Ltd.'s block covers 1,048,576 addresses.

What devices use 5CF838C?

Any network device with a MAC address starting 5C:F8:38:C was manufactured by or for Sichuan Zhongguang Lightning Protection Technologies Co., Ltd..