MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Union Business Machines Co. Ltd.
OUI prefix: 00:23:79
Vendor name: Union Business Machines Co. Ltd.
Hong Kong Industrial Centre
Lai Chi Kok Kowloon
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008