B4:DF:43:1 UTA WIRELESS S.R.L.
Every MAC address from B4:DF:43:10:00:00 to B4:DF:43:1F:FF:FF belongs to a block the IEEE assigned to UTA WIRELESS S.R.L.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:DF:43:1 belongs to
Written B4:DF:43:1, B4-DF-43-1 or B4DF431, depending on the system. Look up a full address.
Prefix
B4:DF:43:1/28
Organization
UTA WIRELESS S.R.L.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:DF:43:10:00:00
Last address
B4:DF:43:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Via Privata Bastia Nr. 5 MILANO IT 20121
Parent block
Inside B4:DF:43
This MA-M block is carved from the 24-bit block B4:DF:43, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.