Who owns MAC prefix F42C56?

F42C56 is registered to SENOR TECH CO LTD in the IEEE MA-L registry.

What devices use F42C56?

Any network device with a MAC address starting F4:2C:56 was manufactured by or for SENOR TECH CO LTD.

MA-L · OUI prefix

SENOR TECH CO LTD

Any MAC address starting F4:2C:56 is registered to SENOR TECH CO LTD in TW.

OUI prefix	F42C56
Vendor	SENOR TECH CO LTD
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	F4:2C:56:00:00:00

What this means

The IEEE assigned the MA-L block F42C56 to SENOR TECH 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 F4:2C:56, it is SENOR TECH CO LTD hardware.

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