MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Citizen Watch Co., Ltd.
OUI prefix: 00:0C:AC
Vendor name: Citizen Watch Co., Ltd.
Nishi-Tokyo-shi Tokyo 188-8511
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 11 April 2003