JWEntertainment

Any device whose MAC address begins with 90:A9:35 has a network interface built by JWEntertainment. 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:A9:35

Organization

JWEntertainment

Address

3f 10 Dwitgol-ro Gwacheon-si Gyeonggi-do KR 13814

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.