Who owns MAC prefix 503E7C?

503E7C is registered to LeiShen Intelligent System Co.Ltd in the IEEE MA-L registry.

What devices use 503E7C?

Any network device with a MAC address starting 50:3E:7C was manufactured by or for LeiShen Intelligent System Co.Ltd.

MA-L · OUI prefix

LeiShen Intelligent System Co.Ltd

Any MAC address starting 50:3E:7C is registered to LeiShen Intelligent System Co.Ltd in CN.

OUI prefix	503E7C
Vendor	LeiShen Intelligent System Co.Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	50:3E:7C:00:00:00

What this means

The IEEE assigned the MA-L block 503E7C to LeiShen Intelligent System 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 50:3E:7C, it is LeiShen Intelligent System Co.Ltd hardware.

Look up another MAC