B4:E1:C4 Microsoft Mobile Oy
Every MAC address from B4:E1:C4:00:00:00 to B4:E1:C4:FF:FF:FF belongs to a block the IEEE assigned to Microsoft Mobile Oy. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:E1:C4 belongs to
Written B4:E1:C4, B4-E1-C4 or B4E1C4, depending on the system. Look up a full address.
Prefix
B4:E1:C4
Organization
Microsoft Mobile Oy
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:E1:C4:00:00:00
Last address
B4:E1:C4:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Keilalahdentie 4 Espoo FI 02150