Sunnovo International Limited
Any device whose MAC address begins with AC:56:7B has a network interface built by Sunnovo International Limited. 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:56:7B
- Organization
- Sunnovo International Limited
- Address
- 1717 Haitai Building Beijing Beijing CN 100083
- 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.