ACOINFO TECHNOLOGY CO.,LTD

Any device whose MAC address begins with 40:95:05 has a network interface built by ACOINFO TECHNOLOGY 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

40:95:05

Organization

ACOINFO TECHNOLOGY CO.,LTD

Address

Building No.12,Zhongguancun Cuihu Technology Park,Haidian District,Beijing,China Beijing CN 100095

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.