MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Silicon Laboratories
OUI: B4:E3:F9
Vendor name: Silicon Laboratories
Address:
Assignment Type MA-L 400 West Cesar Chavez Street
Austin TX 78701
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 09 February 2021
