Nanjing Z-Com Wireless Co.,Ltd

Any device whose MAC address begins with 30:49:3B has a network interface built by Nanjing Z-Com Wireless 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

30:49:3B

Organization

Nanjing Z-Com Wireless Co.,Ltd

Address

Z-Com Building,NO.30 Jiangsu Software Park,NO.699-22 Xuanwu Avenue, Nanjing Jiangsu CN 210042

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.