Who owns MAC prefix 6C3838?

6C3838 is registered to Marking System Technology Co., Ltd. in the IEEE MA-L registry.

What devices use 6C3838?

Any network device with a MAC address starting 6C:38:38 was manufactured by or for Marking System Technology Co., Ltd..

MA-L · OUI prefix

Marking System Technology Co., Ltd.

Any MAC address starting 6C:38:38 is registered to Marking System Technology Co., Ltd. in JP.

OUI prefix	6C3838
Vendor	Marking System Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	6C:38:38:00:00:00

What this means

The IEEE assigned the MA-L block 6C3838 to Marking System Technology 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 6C:38:38, it is Marking System Technology Co., Ltd. hardware.

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