MAC Address Lookup

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

Cisco Systems, Inc

MAC prefix: A0:23:9F

MAC range: A0:23:9F:00:00:00 - A0:23:9F:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

80 West Tasman Drive
San Jose CA 94568
US.

Type MA-L

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

Initial registration: 29 March 2017