Who owns MAC prefix 4C917AC?

4C917AC is registered to Alibaba (Beijing) Software Service Inc. in the IEEE MA-M registry.

What devices use 4C917AC?

Any network device with a MAC address starting 4C:91:7A:C was manufactured by or for Alibaba (Beijing) Software Service Inc..

MA-M · OUI prefix

Alibaba (Beijing) Software Service Inc.

Any MAC address starting 4C:91:7A:C is registered to Alibaba (Beijing) Software Service Inc. in CN.

OUI prefix	4C917AC
Vendor	Alibaba (Beijing) Software Service Inc.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	4C:91:7A:C:00:00:00

What this means

The IEEE assigned the MA-M block 4C917AC to Alibaba (Beijing) Software Service 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 4C:91:7A:C, it is Alibaba (Beijing) Software Service Inc. hardware.

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