Ruijie Networks Co.,LTD

Any device whose MAC address begins with 78:EC:B5 has a network interface built by Ruijie Networks Co.,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

78:EC:B5

Organization

Ruijie Networks Co.,LTD

Address

Building 19,Juyuanzhou Industrial Park, No.618 Jinshan Avenue, Cangshan District Fuzhou CN 35000

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.