Who owns MAC prefix D0C857A?

D0C857A is registered to shenzhen cnsun in the IEEE MA-M registry.

What devices use D0C857A?

Any network device with a MAC address starting D0:C8:57:A was manufactured by or for shenzhen cnsun.

MA-M · OUI prefix

shenzhen cnsun

Any MAC address starting D0:C8:57:A is registered to shenzhen cnsun in CN.

OUI prefix	D0C857A
Vendor	shenzhen cnsun
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	D0:C8:57:A:00:00:00

What this means

The IEEE assigned the MA-M block D0C857A to shenzhen cnsun. 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:C8:57:A, it is shenzhen cnsun hardware.

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