ChongQing QingJia Electronics CO.,LTD

Any device whose MAC address begins with 04:3D:98 has a network interface built by ChongQing QingJia Electronics 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

04:3D:98

Organization

ChongQing QingJia Electronics CO.,LTD

Address

No.1,DianCe Village JiangBei District Chongqing city CN 400020

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.