Private

Any device whose MAC address begins with 90:A1:96 has a network interface built by Private. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

90:A1:96

Organization

Private

Address

FLAT/RM 06 23/FTHE METROPOLIS TOWER10 METROPOLIS DRIVEHUNG HOM，KL Hongkong CN 999077

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.