New Singularity International Technical Development Co.,Ltd

Any device whose MAC address begins with 5C:E7:BF has a network interface built by New Singularity International Technical Development 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

5C:E7:BF

Organization

New Singularity International Technical Development Co.,Ltd

Address

8F,NorthStar-Ultrapower Tower, No.13 Beiyuan Road, Chaoyang District, Beijing, China Beijing Beijing CN 100107

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.