VTC Telecommunications

Any device whose MAC address begins with 94:99:90 has a network interface built by VTC Telecommunications. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

94:99:90

Organization

VTC Telecommunications

Address

750 (3rd Floor) Dien Bien Phu, District 10 Ho Chi Minh Ho Chi Minh VN 70000

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.