Who owns MAC prefix 4C9E80?

4C9E80 is registered to KYOKKO ELECTRIC Co., Ltd. in the IEEE MA-L registry.

What devices use 4C9E80?

Any network device with a MAC address starting 4C:9E:80 was manufactured by or for KYOKKO ELECTRIC Co., Ltd..

MA-L · OUI prefix

KYOKKO ELECTRIC Co., Ltd.

Any MAC address starting 4C:9E:80 is registered to KYOKKO ELECTRIC Co., Ltd. in JP.

OUI prefix	4C9E80
Vendor	KYOKKO ELECTRIC Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	4C:9E:80:00:00:00

What this means

The IEEE assigned the MA-L block 4C9E80 to KYOKKO ELECTRIC 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 4C:9E:80, it is KYOKKO ELECTRIC Co., Ltd. hardware.

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