DONGGUAN ipt INDUSTRIAL CO., LTD

Any device whose MAC address begins with D4:3A:E9 has a network interface built by DONGGUAN ipt INDUSTRIAL CO., LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:3A:E9

Organization

DONGGUAN ipt INDUSTRIAL CO., LTD

Address

No.66-1.Ist New Area, Nanshe Dist., Chigang,Humen, Dongguan Guangdong CN 52390

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.