Shanghai Timar Integrated Circuit Co., LTD

Any device whose MAC address begins with 58:21:9D has a network interface built by Shanghai Timar Integrated Circuit 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

58:21:9D

Organization

Shanghai Timar Integrated Circuit Co., LTD

Address

Room 1208, No. 999 West Zhongshan Road, Changning District, Shanghai, China shanghai shanghai CN 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.