Action Technology (SZ) Co., Ltd

Any device whose MAC address begins with 00:1B:03 has a network interface built by Action Technology (SZ) 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

00:1B:03

Organization

Action Technology (SZ) Co., Ltd

Address

Action Technology Building Baoyuan Road, Xixiang, Bao'an District Shenzhen Guangdong CN 518102

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.