Who owns MAC prefix 001C5F?

001C5F is registered to Winland Electronics, Inc. in the IEEE MA-L registry.

What devices use 001C5F?

Any network device with a MAC address starting 00:1C:5F was manufactured by or for Winland Electronics, Inc..

MA-L · OUI prefix

Winland Electronics, Inc.

Any MAC address starting 00:1C:5F is registered to Winland Electronics, Inc. in US.

OUI prefix	001C5F
Vendor	Winland Electronics, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1C:5F:00:00:00

What this means

The IEEE assigned the MA-L block 001C5F to Winland Electronics, Inc.. 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 00:1C:5F, it is Winland Electronics, Inc. hardware.

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