Jiangsu Hengtong Terahertz Technology Co., Ltd.

Any device whose MAC address begins with AC:36:51 has a network interface built by Jiangsu Hengtong Terahertz 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

AC:36:51

Organization

Jiangsu Hengtong Terahertz Technology Co., Ltd.

Address

Room 1312, Beiyou Technology Building, Haidian District Beijing Beijing CN 100876

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.