KARST.AI

Any device whose MAC address begins with 98:12:B7 has a network interface built by KARST.AI. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

98:12:B7

Organization

KARST.AI

Address

112 ROBINSON ROAD #03-01 ROBINSON 112 Singapore SG 068902

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.