General Electric Digital Energy

Any device whose MAC address begins with C4:B5:12 has a network interface built by General Electric Digital Energy. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C4:B5:12

Organization

General Electric Digital Energy

Address

4200 Wildwood Pkwy Atlanta GA US 30339

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.