Welltrans O&E Technology Co. , Ltd.

Any device whose MAC address begins with 00:19:DA has a network interface built by Welltrans O&E 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

00:19:DA

Organization

Welltrans O&E Technology Co. , Ltd.

Address

the 3rd Floor, building C-D, Hi-tech Digital Harbor, Guandong Industrial Park Wuhan Hubei CN 430074

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.