Who owns MAC prefix E4FF69?

E4FF69 is registered to Holiday Robotics in the IEEE MA-L registry.

What devices use E4FF69?

Any network device with a MAC address starting E4:FF:69 was manufactured by or for Holiday Robotics.

MA-L · OUI prefix

Holiday Robotics

Any MAC address starting E4:FF:69 is registered to Holiday Robotics in KR.

OUI prefix	E4FF69
Vendor	Holiday Robotics
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	E4:FF:69:00:00:00

What this means

The IEEE assigned the MA-L block E4FF69 to Holiday Robotics. 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 E4:FF:69, it is Holiday Robotics hardware.

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