Who owns MAC prefix C0FBF9A?

C0FBF9A is registered to Tiandi(Changzhou) Automation Co., Ltd. in the IEEE MA-M registry.

What devices use C0FBF9A?

Any network device with a MAC address starting C0:FB:F9:A was manufactured by or for Tiandi(Changzhou) Automation Co., Ltd..

MA-M · OUI prefix

Tiandi(Changzhou) Automation Co., Ltd.

Any MAC address starting C0:FB:F9:A is registered to Tiandi(Changzhou) Automation Co., Ltd. in CN.

OUI prefix	C0FBF9A
Vendor	Tiandi(Changzhou) Automation Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	C0:FB:F9:A:00:00:00

What this means

The IEEE assigned the MA-M block C0FBF9A to Tiandi(Changzhou) Automation 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 C0:FB:F9:A, it is Tiandi(Changzhou) Automation Co., Ltd. hardware.

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