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.


Unit 2
Block A
Hong Kong Industrial Centre

Lai Chi Kok Kowloon

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Last updated: 17 November 2015

Initial registration: 25 October 2008

MAC Address Vendor Country HK map