Who owns MAC prefix D0A0111?

D0A0111 is registered to Shanghai Railway Communication Co. Ltd. in the IEEE MA-M registry.

What devices use D0A0111?

Any network device with a MAC address starting D0:A0:11:1 was manufactured by or for Shanghai Railway Communication Co. Ltd..

MA-M · OUI prefix

Shanghai Railway Communication Co. Ltd.

Any MAC address starting D0:A0:11:1 is registered to Shanghai Railway Communication Co. Ltd. in CN.

OUI prefix	D0A0111
Vendor	Shanghai Railway Communication Co. Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	D0:A0:11:1:00:00:00

What this means

The IEEE assigned the MA-M block D0A0111 to Shanghai Railway Communication 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:A0:11:1, it is Shanghai Railway Communication Co. Ltd. hardware.

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