Who owns MAC prefix 78223D?

78223D is registered to Affirmed Networks in the IEEE MA-L registry.

What devices use 78223D?

Any network device with a MAC address starting 78:22:3D was manufactured by or for Affirmed Networks.

MA-L · OUI prefix

Affirmed Networks

Any MAC address starting 78:22:3D is registered to Affirmed Networks in US.

OUI prefix	78223D
Vendor	Affirmed Networks
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	78:22:3D:00:00:00

What this means

The IEEE assigned the MA-L block 78223D to Affirmed Networks. 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 78:22:3D, it is Affirmed Networks hardware.

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