MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Arista Networks, Inc.
MAC address prefix C8:26:91 is registered to Arista Networks, Inc., located at 5453 Great America ParkwaySanta Clara 95054US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 24 February 2026, and no subsequent updates have been recorded.
OUI: C8:26:91
Vendor name: Arista Networks, Inc.
Address:
Assignment Type MA-L 5453 Great America Parkway
Santa Clara 95054
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 24 February 2026
