Shanghai Jiao Da HISYS Technology Co. Ltd.

Any device whose MAC address begins with 00:18:AC has a network interface built by Shanghai Jiao Da HISYS 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

00:18:AC

Organization

Shanghai Jiao Da HISYS Technology Co. Ltd.

Address

7F Haoran HiTech Bldg., No.1954 Huashan Road shanghai xuhui US 200030

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.