Microchip Technology Inc.
Any device whose MAC address begins with 40:84:32 has a network interface built by Microchip Technology Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 40:84:32
- Organization
- Microchip Technology Inc.
- Address
- 2355 W. Chandler Blvd. Chandler AZ US 85224
- 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.