Raisecom Technology CO., LTD

Any device whose MAC address begins with E4:C7:70 has a network interface built by Raisecom Technology 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

E4:C7:70

Organization

Raisecom Technology CO., LTD

Address

No. 11, East Area, No. 10 Block, East Xibeiwang Road Beijing CN 100094

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.