Power Idea Technology Limited

Any device whose MAC address begins with 40:70:4A has a network interface built by Power Idea Technology Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:70:4A

Organization

Power Idea Technology Limited

Address

1401A, Mintai Building, WenXin 5 Road, ShenZhen, PRC Guang Dong Shen Zhen CN 518054

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.