Who owns MAC prefix 78392D3?

78392D3 is registered to Zeta Alarms Limited in the IEEE MA-M registry.

What devices use 78392D3?

Any network device with a MAC address starting 78:39:2D:3 was manufactured by or for Zeta Alarms Limited.

MA-M · OUI prefix

Zeta Alarms Limited

Any MAC address starting 78:39:2D:3 is registered to Zeta Alarms Limited.

OUI prefix	78392D3
Vendor	Zeta Alarms Limited
Registry	MA-M (28-bit, medium block)
Example MAC	78:39:2D:3:00:00:00

What this means

The IEEE assigned the MA-M block 78392D3 to Zeta Alarms Limited. 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 78:39:2D:3, it is Zeta Alarms Limited hardware.

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