Texas Instruments
Any device whose MAC address begins with 40:F3:B0 has a network interface built by Texas Instruments. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 40:F3:B0
- Organization
- Texas Instruments
- Address
- 12500 TI Blvd Dallas TX US 75243
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.