Who owns MAC prefix E0233B5?

E0233B5 is registered to IOFAC in the IEEE MA-M registry.

What devices use E0233B5?

Any network device with a MAC address starting E0:23:3B:5 was manufactured by or for IOFAC.

MA-M · OUI prefix

IOFAC

Any MAC address starting E0:23:3B:5 is registered to IOFAC in KR.

OUI prefix	E0233B5
Vendor	IOFAC
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	E0:23:3B:5:00:00:00

What this means

The IEEE assigned the MA-M block E0233B5 to IOFAC. 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 E0:23:3B:5, it is IOFAC hardware.

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