MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Silicon Laboratories
MAC address prefix B4:E3:F9 is registered to Silicon Laboratories, located at 400 West Cesar Chavez StreetAustin TX 78701US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 09 February 2021, and no subsequent updates have been recorded.
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
