Who owns MAC prefix FCE4985?

FCE4985 is registered to SM Instruments in the IEEE MA-M registry.

What devices use FCE4985?

Any network device with a MAC address starting FC:E4:98:5 was manufactured by or for SM Instruments.

MA-M · OUI prefix

SM Instruments

Any MAC address starting FC:E4:98:5 is registered to SM Instruments in KR.

OUI prefix	FCE4985
Vendor	SM Instruments
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	FC:E4:98:5:00:00:00

What this means

The IEEE assigned the MA-M block FCE4985 to SM Instruments. 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 FC:E4:98:5, it is SM Instruments hardware.

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