Intel – GE Care Innovations LLC

Any device whose MAC address begins with 00:1D:40 has a network interface built by Intel – GE Care Innovations LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1D:40

Organization

Intel – GE Care Innovations LLC

Address

3721 Douglas Blvd Roseville CA US 95661

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.