Hanwha Vision VietNam

Any device whose MAC address begins with E4:30:22 has a network interface built by Hanwha Vision VietNam. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:30:22

Organization

Hanwha Vision VietNam

Address

Plot O-2, Que Vo industrial park (Expanded area), Nam Son Commune, Bac Ninh City Bac Ninh Province VN 000

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.