Who owns MAC prefix D42C3D?

D42C3D is registered to Sky Light Digital Limited in the IEEE MA-L registry.

What devices use D42C3D?

Any network device with a MAC address starting D4:2C:3D was manufactured by or for Sky Light Digital Limited.

MA-L · OUI prefix

Sky Light Digital Limited

Any MAC address starting D4:2C:3D is registered to Sky Light Digital Limited in CN.

OUI prefix	D42C3D
Vendor	Sky Light Digital Limited
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:2C:3D:00:00:00

What this means

The IEEE assigned the MA-L block D42C3D to Sky Light Digital Limited. 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 D4:2C:3D, it is Sky Light Digital Limited hardware.

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