Jireh Energy Tech., Ltd.

Any device whose MAC address begins with E0:C9:22 has a network interface built by Jireh Energy Tech., Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E0:C9:22

Organization

Jireh Energy Tech., Ltd.

Address

#606 Seoul Forest Hallasigmavalley, 325-2 Seoul Seongdong-Gu KR 133-120

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.