Who owns MAC prefix B4DF431?

B4DF431 is registered to UTA WIRELESS S.R.L. in the IEEE MA-M registry.

What devices use B4DF431?

Any network device with a MAC address starting B4:DF:43:1 was manufactured by or for UTA WIRELESS S.R.L..

MA-M · OUI prefix

UTA WIRELESS S.R.L.

Any MAC address starting B4:DF:43:1 is registered to UTA WIRELESS S.R.L. in IT.

OUI prefix	B4DF431
Vendor	UTA WIRELESS S.R.L.
Registry	MA-M (28-bit, medium block)
Country	IT
Example MAC	B4:DF:43:1:00:00:00

What this means

The IEEE assigned the MA-M block B4DF431 to UTA WIRELESS S.R.L.. 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 B4:DF:43:1, it is UTA WIRELESS S.R.L. hardware.

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