National Source Coding Center

Any device whose MAC address begins with 00:22:0B has a network interface built by National Source Coding Center. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:22:0B

Organization

National Source Coding Center

Address

Suite 701,Power Creative A,No.1 Beijing CN 100085

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.