Who owns MAC prefix C4C138?

C4C138 is registered to OWLink Technology Inc in the IEEE MA-L registry.

What devices use C4C138?

Any network device with a MAC address starting C4:C1:38 was manufactured by or for OWLink Technology Inc.

MA-L · OUI prefix

OWLink Technology Inc

Any MAC address starting C4:C1:38 is registered to OWLink Technology Inc in US.

OUI prefix	C4C138
Vendor	OWLink Technology Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C4:C1:38:00:00:00

What this means

The IEEE assigned the MA-L block C4C138 to OWLink Technology 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 C4:C1:38, it is OWLink Technology Inc hardware.

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