Beijing Ereneben Information Technology Limited Shenzhen Branch

Any device whose MAC address begins with 40:88:E0 has a network interface built by Beijing Ereneben Information Technology Limited Shenzhen Branch. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:88:E0

Organization

Beijing Ereneben Information Technology Limited Shenzhen Branch

Address

Room 14A, Building A, Honglong Central Plaza, No.3001,Heping Road, Luohu District, Shenzhen City Shenzhen Guangdong CN 518001

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.