GreenTrol Automation

Any device whose MAC address begins with E8:B7:22 has a network interface built by GreenTrol Automation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E8:B7:22

Organization

GreenTrol Automation

Address

156 Holly View Lane Loris SC US 29569

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.