ssid.aiAPI

World WLAN Application Alliance

Any device whose MAC address begins with 1C:4C:27 has a network interface built by World WLAN Application Alliance. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix
1C:4C:27
Organization
World WLAN Application Alliance
Address
5th Floor, Block B, Shenzhen-Hong Kong International Science and Technology Park, No. 14 Taohua Road, Futian District, Shenzhen shenzhen guangdong province CN 518017
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.

Assignment history (1)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

  1. 2026-07-17Assigned to "World WLAN Application Alliance"