Who owns MAC prefix 781305A?

781305A is registered to Leonardo SpA - Montevarchi in the IEEE MA-M registry.

What devices use 781305A?

Any network device with a MAC address starting 78:13:05:A was manufactured by or for Leonardo SpA - Montevarchi.

MA-M · OUI prefix

Leonardo SpA - Montevarchi

Any MAC address starting 78:13:05:A is registered to Leonardo SpA - Montevarchi in IT.

OUI prefix	781305A
Vendor	Leonardo SpA - Montevarchi
Registry	MA-M (28-bit, medium block)
Country	IT
Example MAC	78:13:05:A:00:00:00

What this means

The IEEE assigned the MA-M block 781305A to Leonardo SpA - Montevarchi. 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 78:13:05:A, it is Leonardo SpA - Montevarchi hardware.

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