MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Cisco Systems, Inc
MAC address prefix 1C:84:A6 is registered to Cisco Systems, Inc, located at 500 Terry A. Francois BlvdSan Francisco 94158US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 20 July 2026, with the most recent update made on 25 July 2026.
OUI: 1C:84:A6
Vendor name: Cisco Systems, Inc
Address:
Assignment Type MA-L 500 Terry A. Francois Blvd
San Francisco 94158
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 25 July 2026
Initial registration: 20 July 2026
