Pro Concept Manufacturer Co.,Ltd.

Any device whose MAC address begins with D4:61:32 has a network interface built by Pro Concept Manufacturer 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

D4:61:32

Organization

Pro Concept Manufacturer Co.,Ltd.

Address

88/1 Moo12 Soi Phetkasem120 Kratumbaen Samutsakorn TH 74130

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.