Who owns MAC prefix D05F647?

D05F647 is registered to Beijing Core Shield Group Co., Ltd. in the IEEE MA-M registry.

What devices use D05F647?

Any network device with a MAC address starting D0:5F:64:7 was manufactured by or for Beijing Core Shield Group Co., Ltd..

MA-M · OUI prefix

Beijing Core Shield Group Co., Ltd.

Any MAC address starting D0:5F:64:7 is registered to Beijing Core Shield Group Co., Ltd. in CN.

OUI prefix	D05F647
Vendor	Beijing Core Shield Group Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	D0:5F:64:7:00:00:00

What this means

The IEEE assigned the MA-M block D05F647 to Beijing Core Shield Group 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 D0:5F:64:7, it is Beijing Core Shield Group Co., Ltd. hardware.

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