seca gmbh & co. kg

Any device whose MAC address begins with 28:A6:AC has a network interface built by seca gmbh & co. kg. 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:A6:AC

Organization

seca gmbh & co. kg

Address

Hammer Steindamm 3-25 Hamburg Germany DE 22089

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.