Vieworks

Any device whose MAC address begins with 84:EA:99 has a network interface built by Vieworks. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

84:EA:99

Organization

Vieworks

Address

6F Suntechcity 2,307-2 Sangdaewon-dong, Jungwon-gu Seongnam Gyeonggi KR 462-806

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.