Heaman System Co., Ltd

Any device whose MAC address begins with 00:09:23 has a network interface built by Heaman System 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

00:09:23

Organization

Heaman System Co., Ltd

Address

Building M6,National Hi-tech & Indus Changsha Hunan Province US 410013

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.