OUI Lookup
b4e3f9
Silicon Laboratories
Manufacturer Information
- OUI Prefix
- b4e3f9
- Manufacturer
- Silicon Laboratories
- Address
- 400 West Cesar Chavez Street Austin TX US 78701
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 144
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B4E3F9
The OUI prefix B4E3F9 is assigned to Silicon Laboratories, based in 400 West Cesar Chavez Street Austin TX US 78701 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Silicon Laboratories.
Other prefixes from Silicon Laboratories
385cfbSilicon Laboratoriesf4b3b1Silicon Laboratoriesdc8e95Silicon Laboratories84b4dbSilicon Laboratories84fd27Silicon Laboratories5c0272Silicon Laboratories588e81Silicon Laboratories14b457Silicon Laboratories90fd9fSilicon Laboratories000b57Silicon Laboratories842712Silicon Laboratories7cc6b6Silicon Laboratories980c33Silicon Laboratories38398fSilicon Laboratoriesd44867Silicon Laboratories403059Silicon Laboratories70c59cSilicon Laboratoriese406bfSilicon Laboratories64028fSilicon Laboratories880f62Silicon Laboratoriesbc8d7eSilicon Laboratories180df9Silicon Laboratoriesa459bfSilicon Laboratoriesd44a85Silicon Laboratories