Esteem Networks

Any device whose MAC address begins with 00:09:06 has a network interface built by Esteem Networks. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:06

Organization

Esteem Networks

Address

4F, No.900, Yishan Road Shanghai CN 200233

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.