PUWELL CLOUD TECH LIMITED

Any device whose MAC address begins with EC:83:B7 has a network interface built by PUWELL CLOUD TECH LIMITED. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

EC:83:B7

Organization

PUWELL CLOUD TECH LIMITED

Address

Room 1702, 17/F, Hong Kong Trade Centre, Nos. 161-167 Des Voeux Road Central, Hong Kong Hong Kong HK 999077

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.