Who owns MAC prefix DCC622?

DCC622 is registered to BUHEUNG SYSTEM in the IEEE MA-L registry.

What devices use DCC622?

Any network device with a MAC address starting DC:C6:22 was manufactured by or for BUHEUNG SYSTEM.

MA-L · OUI prefix

BUHEUNG SYSTEM

Any MAC address starting DC:C6:22 is registered to BUHEUNG SYSTEM in KR.

OUI prefix	DCC622
Vendor	BUHEUNG SYSTEM
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	DC:C6:22:00:00:00

What this means

The IEEE assigned the MA-L block DCC622 to BUHEUNG SYSTEM. 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 DC:C6:22, it is BUHEUNG SYSTEM hardware.

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