OUI Lookup
000cac
Citizen Watch Co., Ltd.
Manufacturer Information
- OUI Prefix
- 000cac
- Manufacturer
- Citizen Watch Co., Ltd.
- Address
- 6-1-12, Tanashi-cho Nishi-Tokyo-shi Tokyo JP 188-8511
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000CAC
The OUI prefix 000CAC is assigned to Citizen Watch Co., Ltd., based in 6-1-12, Tanashi-cho Nishi-Tokyo-shi Tokyo JP 188-8511 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Citizen Watch Co., Ltd..