Beijing PKUNITY Microsystems Technology Co., Ltd

Any device whose MAC address begins with 00:25:9B has a network interface built by Beijing PKUNITY Microsystems 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

00:25:9B

Organization

Beijing PKUNITY Microsystems Technology Co., Ltd

Address

11th Floor, Resource Plaza, No.151 North Zhongguancun Street Beijing CN 100080

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.