Who owns MAC prefix D03DC3?

D03DC3 is registered to AQ Corporation in the IEEE MA-L registry.

What devices use D03DC3?

Any network device with a MAC address starting D0:3D:C3 was manufactured by or for AQ Corporation.

MA-L · OUI prefix

AQ Corporation

Any MAC address starting D0:3D:C3 is registered to AQ Corporation in KR.

OUI prefix	D03DC3
Vendor	AQ Corporation
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	D0:3D:C3:00:00:00

What this means

The IEEE assigned the MA-L block D03DC3 to AQ Corporation. 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 D0:3D:C3, it is AQ Corporation hardware.

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