Who owns MAC prefix DCA3AC?

DCA3AC is registered to RBcloudtech in the IEEE MA-L registry.

What devices use DCA3AC?

Any network device with a MAC address starting DC:A3:AC was manufactured by or for RBcloudtech.

MA-L · OUI prefix

RBcloudtech

Any MAC address starting DC:A3:AC is registered to RBcloudtech in CN.

OUI prefix	DCA3AC
Vendor	RBcloudtech
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	DC:A3:AC:00:00:00

What this means

The IEEE assigned the MA-L block DCA3AC to RBcloudtech. 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:A3:AC, it is RBcloudtech hardware.

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