Who owns MAC prefix CC4F5CC?

CC4F5CC is registered to Beijing Cotytech Technology Co.,LTD. in the IEEE MA-M registry.

What devices use CC4F5CC?

Any network device with a MAC address starting CC:4F:5C:C was manufactured by or for Beijing Cotytech Technology Co.,LTD..

MA-M · OUI prefix

Beijing Cotytech Technology Co.,LTD.

Any MAC address starting CC:4F:5C:C is registered to Beijing Cotytech Technology Co.,LTD. in CN.

OUI prefix	CC4F5CC
Vendor	Beijing Cotytech Technology Co.,LTD.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	CC:4F:5C:C:00:00:00

What this means

The IEEE assigned the MA-M block CC4F5CC to Beijing Cotytech Technology Co.,LTD.. 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:4F:5C:C, it is Beijing Cotytech Technology Co.,LTD. hardware.

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