Who owns MAC prefix F081AF?

F081AF is registered to IRZ AUTOMATION TECHNOLOGIES LTD in the IEEE MA-L registry.

What devices use F081AF?

Any network device with a MAC address starting F0:81:AF was manufactured by or for IRZ AUTOMATION TECHNOLOGIES LTD.

MA-L · OUI prefix

IRZ AUTOMATION TECHNOLOGIES LTD

Any MAC address starting F0:81:AF is registered to IRZ AUTOMATION TECHNOLOGIES LTD in HK.

OUI prefix	F081AF
Vendor	IRZ AUTOMATION TECHNOLOGIES LTD
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	F0:81:AF:00:00:00

What this means

The IEEE assigned the MA-L block F081AF to IRZ AUTOMATION TECHNOLOGIES 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 F0:81:AF, it is IRZ AUTOMATION TECHNOLOGIES LTD hardware.

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