Who owns MAC prefix CC5D78?

CC5D78 is registered to JTD Consulting in the IEEE MA-L registry.

What devices use CC5D78?

Any network device with a MAC address starting CC:5D:78 was manufactured by or for JTD Consulting.

MA-L · OUI prefix

JTD Consulting

Any MAC address starting CC:5D:78 is registered to JTD Consulting.

OUI prefix	CC5D78
Vendor	JTD Consulting
Registry	MA-L (24-bit, large block)
Example MAC	CC:5D:78:00:00:00

What this means

The IEEE assigned the MA-L block CC5D78 to JTD Consulting. 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 CC:5D:78, it is JTD Consulting hardware.

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