Who owns MAC prefix 78C40E?

78C40E is registered to H&D Wireless in the IEEE MA-L registry.

What devices use 78C40E?

Any network device with a MAC address starting 78:C4:0E was manufactured by or for H&D Wireless.

MA-L · OUI prefix

H&D Wireless

Any MAC address starting 78:C4:0E is registered to H&D Wireless.

OUI prefix	78C40E
Vendor	H&D Wireless
Registry	MA-L (24-bit, large block)
Example MAC	78:C4:0E:00:00:00

What this means

The IEEE assigned the MA-L block 78C40E to H&D Wireless. 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 78:C4:0E, it is H&D Wireless hardware.

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