testo Instruments (Shenzhen) Co., Ltd.

Any device whose MAC address begins with E8:96:06 has a network interface built by testo Instruments (Shenzhen) 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

E8:96:06

Organization

testo Instruments (Shenzhen) Co., Ltd.

Address

China Merchants Guangming Science & Technology Park, Guangming New District, Shenzhen Guangdong CN 518107

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.