Who owns MAC prefix D47C443?

D47C443 is registered to OMRON SENTECH CO., LTD. in the IEEE MA-M registry.

What devices use D47C443?

Any network device with a MAC address starting D4:7C:44:3 was manufactured by or for OMRON SENTECH CO., LTD..

MA-M · OUI prefix

OMRON SENTECH CO., LTD.

Any MAC address starting D4:7C:44:3 is registered to OMRON SENTECH CO., LTD. in JP.

OUI prefix	D47C443
Vendor	OMRON SENTECH CO., LTD.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	D4:7C:44:3:00:00:00

What this means

The IEEE assigned the MA-M block D47C443 to OMRON SENTECH 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 D4:7C:44:3, it is OMRON SENTECH CO., LTD. hardware.

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