Sailing Northern Technology

Any device whose MAC address begins with 28:B2:7C has a network interface built by Sailing Northern Technology. 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:B2:7C

Organization

Sailing Northern Technology

Address

Unit A4009, 4th floor, BuiIding 1, No. 2 Yongcheng North Road Beijing CN 100094

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.