Beijing Gongye Science & Technology Co.,Ltd

Any device whose MAC address begins with 00:0B:30 has a network interface built by Beijing Gongye Science & 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

00:0B:30

Organization

Beijing Gongye Science & Technology Co.,Ltd

Address

Unit D.17/E,Shenlanhuating mid Road No.6 Beijing CN 100029

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.