Who owns MAC prefix 3C831E?

3C831E is registered to CKD Corporation in the IEEE MA-L registry.

What devices use 3C831E?

Any network device with a MAC address starting 3C:83:1E was manufactured by or for CKD Corporation.

MA-L · OUI prefix

CKD Corporation

Any MAC address starting 3C:83:1E is registered to CKD Corporation in JP.

OUI prefix	3C831E
Vendor	CKD Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	3C:83:1E:00:00:00

What this means

The IEEE assigned the MA-L block 3C831E to CKD Corporation. 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 3C:83:1E, it is CKD Corporation hardware.

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