Guangzhou Juzing Technology Co., Ltd
Any device whose MAC address begins with 7C:CD:3C has a network interface built by Guangzhou Juzing Technology Co., Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 7C:CD:3C
- Organization
- Guangzhou Juzing Technology Co., Ltd
- Address
- Building C Rm 1906-1909 Guangzhou Guangdong US 510630
- 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.
- 2026-07-17Assigned to "Guangzhou Juzing Technology Co., Ltd"