JCT Healthcare

Any device whose MAC address begins with AC:58:7B has a network interface built by JCT Healthcare. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

AC:58:7B

Organization

JCT Healthcare

Address

1/25 London Road Mile End South South Australia AU 5031

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.