Shenzhen Cloudsky Technologies Co., Ltd.

Any device whose MAC address begins with EC:73:59 has a network interface built by Shenzhen Cloudsky Technologies 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

EC:73:59

Organization

Shenzhen Cloudsky Technologies Co., Ltd.

Address

1-3F, M10 East, 2nd Kewen Rd, Nanshan District, Shenzhen shenzhen CN 518000

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.