Who owns MAC prefix FC61799?

FC61799 is registered to MACH SYSTEMS s.r.o. in the IEEE MA-M registry.

What devices use FC61799?

Any network device with a MAC address starting FC:61:79:9 was manufactured by or for MACH SYSTEMS s.r.o..

MA-M · OUI prefix

MACH SYSTEMS s.r.o.

Any MAC address starting FC:61:79:9 is registered to MACH SYSTEMS s.r.o. in CZ.

OUI prefix	FC61799
Vendor	MACH SYSTEMS s.r.o.
Registry	MA-M (28-bit, medium block)
Country	CZ
Example MAC	FC:61:79:9:00:00:00

What this means

The IEEE assigned the MA-M block FC61799 to MACH SYSTEMS s.r.o.. 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:61:79:9, it is MACH SYSTEMS s.r.o. hardware.

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