Hongshan Information Science and Technology (HangZhou) Co.,Ltd.

Any device whose MAC address begins with 30:39:A9 has a network interface built by Hongshan Information Science and Technology (HangZhou) 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

30:39:A9

Organization

Hongshan Information Science and Technology (HangZhou) Co.,Ltd.

Address

32 / F, Yuesheng International Center, Pinglan Road, Xiaoshan District, Hangzhou, Zhejiang Province Hangzhou Zhejiang Province CN 311215

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.