WKK TECHNOLOGY LTD.

Any device whose MAC address begins with 44:13:19 has a network interface built by WKK TECHNOLOGY 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

44:13:19

Organization

WKK TECHNOLOGY LTD.

Address

23/F., One Kowloon, No.1, Wang Yuen Street, HK 852

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.