Jiangsu dewosi electric co., LTD

Any device whose MAC address begins with 28:D4:36 has a network interface built by Jiangsu dewosi electric 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

28:D4:36

Organization

Jiangsu dewosi electric co., LTD

Address

Dantu district fengjingchengbang xibanya 503, building 6 Zhenjiang Jiangsu CN 212028

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.