UTA WIRELESS S.R.L. - MAC Prefix B4DF431 (MA-M)

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.

Frequently Asked Questions

Who owns MAC prefix B4DF431?

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

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. UTA WIRELESS S.R.L.'s block covers 1,048,576 addresses.

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..

OUI prefix	B4DF431
Vendor	UTA WIRELESS S.R.L.
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	IT
Other blocks by this vendor	1 total
Example MAC	B4:DF:43:1:00:00:00