Beijing Xiaoyuer Technology Co. Ltd.

Any device whose MAC address begins with C0:B7:13 has a network interface built by Beijing Xiaoyuer 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

C0:B7:13

Organization

Beijing Xiaoyuer Technology Co. Ltd.

Address

No.5 Guangshunbei Rd. Rm# B129 Beijing Beijing CN 100102

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.