Who owns MAC prefix 381F267?

381F267 is registered to RCE systems s.r.o. in the IEEE MA-M registry.

What devices use 381F267?

Any network device with a MAC address starting 38:1F:26:7 was manufactured by or for RCE systems s.r.o..

MA-M · OUI prefix

RCE systems s.r.o.

Any MAC address starting 38:1F:26:7 is registered to RCE systems s.r.o. in CZ.

OUI prefix	381F267
Vendor	RCE systems s.r.o.
Registry	MA-M (28-bit, medium block)
Country	CZ
Example MAC	38:1F:26:7:00:00:00

What this means

The IEEE assigned the MA-M block 381F267 to RCE 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 38:1F:26:7, it is RCE systems s.r.o. hardware.

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