What this means
The IEEE assigned the MA-M block 5C857EA to Zhejiang Jetron Ark Digital 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 5C:85:7E:A, it is Zhejiang Jetron Ark Digital Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 5C857EA?
5C857EA is registered to Zhejiang Jetron Ark Digital Technology 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. Zhejiang Jetron Ark Digital Technology Co., Ltd's block covers 1,048,576 addresses.
What devices use 5C857EA?
Any network device with a MAC address starting 5C:85:7E:A was manufactured by or for Zhejiang Jetron Ark Digital Technology Co., Ltd.