Beijing Yunyi Times Technology Co.,Ltd

Any device whose MAC address begins with 14:19:73 has a network interface built by Beijing Yunyi Times 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

14:19:73

Organization

Beijing Yunyi Times Technology Co.,Ltd

Address

Room 4046, Building 1, Yard 10, Beiqijia Hongfu, Changping District Beijing CN 102209

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.