Who owns MAC prefix 6C5C3DD?

6C5C3DD is registered to Syowatsusinkougyo Co.,Ltd. in the IEEE MA-M registry.

What devices use 6C5C3DD?

Any network device with a MAC address starting 6C:5C:3D:D was manufactured by or for Syowatsusinkougyo Co.,Ltd..

MA-M · OUI prefix

Syowatsusinkougyo Co.,Ltd.

Any MAC address starting 6C:5C:3D:D is registered to Syowatsusinkougyo Co.,Ltd. in JP.

OUI prefix	6C5C3DD
Vendor	Syowatsusinkougyo Co.,Ltd.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	6C:5C:3D:D:00:00:00

What this means

The IEEE assigned the MA-M block 6C5C3DD to Syowatsusinkougyo 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:5C:3D:D, it is Syowatsusinkougyo Co.,Ltd. hardware.

Look up another MAC