MAC Address Lookup

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

Cisco Systems, Inc

OUI: 28:6B:5C

Address:

80 West Tasman Drive
San Jose CA 94568
US.

Assignment Type MA-L

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

Initial registration: 19 April 2024