Sunstar Communication Technology Co., Ltd

Any device whose MAC address begins with E4:7C:65 has a network interface built by Sunstar Communication 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

E4:7C:65

Organization

Sunstar Communication Technology Co., Ltd

Address

4F,Building D1, Mould Industrial Park, No.199 of Xiqu Ave,West High-tech Zone Chengdu Sichuan CN 611731

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.