Hillstone Networks Inc

Any device whose MAC address begins with 30:29:52 has a network interface built by Hillstone Networks Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

30:29:52

Organization

Hillstone Networks Inc

Address

North Olympic Science & Technology Park Building #20， Floor #5, SouthBaosheng Beijing CN 100192

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.