Who owns MAC prefix CCD39D9?

CCD39D9 is registered to Bejing Nexsec Inc. in the IEEE MA-M registry.

What devices use CCD39D9?

Any network device with a MAC address starting CC:D3:9D:9 was manufactured by or for Bejing Nexsec Inc..

MA-M · OUI prefix

Bejing Nexsec Inc.

Any MAC address starting CC:D3:9D:9 is registered to Bejing Nexsec Inc. in CN.

OUI prefix	CCD39D9
Vendor	Bejing Nexsec Inc.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	CC:D3:9D:9:00:00:00

What this means

The IEEE assigned the MA-M block CCD39D9 to Bejing Nexsec Inc.. 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 CC:D3:9D:9, it is Bejing Nexsec Inc. hardware.

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