SoundBridge

Any device whose MAC address begins with A0:9D:91 has a network interface built by SoundBridge. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A0:9D:91

Organization

SoundBridge

Address

#810, IT Convergence Industrial Bldg. 47, Gyeongdae-ro 17-Gil, Buk-gu, Daegu KR 41566

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.