Who owns MAC prefix D4D898?

D4D898 is registered to Korea CNO Tech Co., Ltd in the IEEE MA-L registry.

What devices use D4D898?

Any network device with a MAC address starting D4:D8:98 was manufactured by or for Korea CNO Tech Co., Ltd.

MA-L · OUI prefix

Korea CNO Tech Co., Ltd

Any MAC address starting D4:D8:98 is registered to Korea CNO Tech Co., Ltd in KR.

OUI prefix	D4D898
Vendor	Korea CNO Tech Co., Ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	D4:D8:98:00:00:00

What this means

The IEEE assigned the MA-L block D4D898 to Korea CNO Tech 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:D8:98, it is Korea CNO Tech Co., Ltd hardware.

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