MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


Cisco Systems, Inc

OUI prefix: DC:39:79

Vendor name: Cisco Systems, Inc


280 Hope Street
Mountain View CA 94041

Assignment Type MA-L

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

Last updated: 02 June 2018

Initial registration: 13 July 2014

Country US map