Who owns MAC prefix 64DB81?

64DB81 is registered to Syszone Co., Ltd. in the IEEE MA-L registry.

What devices use 64DB81?

Any network device with a MAC address starting 64:DB:81 was manufactured by or for Syszone Co., Ltd..

MA-L · OUI prefix

Syszone Co., Ltd.

Any MAC address starting 64:DB:81 is registered to Syszone Co., Ltd. in KR.

OUI prefix	64DB81
Vendor	Syszone Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	64:DB:81:00:00:00

What this means

The IEEE assigned the MA-L block 64DB81 to Syszone 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 64:DB:81, it is Syszone Co., Ltd. hardware.

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