What devices use F809A4?

Any network device with a MAC address starting F8:09:A4 was manufactured by or for Henan Thinker Rail Transportation Research Inc..

MA-L · OUI prefix

Henan Thinker Rail Transportation Research Inc.

Q: Who owns MAC prefix F809A4?

F809A4 is registered to Henan Thinker Rail Transportation Research Inc. in the IEEE MA-L registry.

Any MAC address starting F8:09:A4 is registered to Henan Thinker Rail Transportation Research Inc. in CN.

OUI prefix	F809A4
Vendor	Henan Thinker Rail Transportation Research Inc.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	F8:09:A4:00:00:00

What this means

The IEEE assigned the MA-L block F809A4 to Henan Thinker Rail Transportation Research Inc.. 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 F8:09:A4, it is Henan Thinker Rail Transportation Research Inc. hardware.

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