Who owns MAC prefix 3C7AC4?

3C7AC4 is registered to Chemtronics in the IEEE MA-L registry.

What devices use 3C7AC4?

Any network device with a MAC address starting 3C:7A:C4 was manufactured by or for Chemtronics.

MA-L · OUI prefix

Chemtronics

Any MAC address starting 3C:7A:C4 is registered to Chemtronics in KR.

OUI prefix	3C7AC4
Vendor	Chemtronics
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	3C:7A:C4:00:00:00

What this means

The IEEE assigned the MA-L block 3C7AC4 to Chemtronics. 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 3C:7A:C4, it is Chemtronics hardware.

Look up another MAC