Devices with MAC addresses that start with 28-99-3A were manufactured by Arista Networks

Device ManufacturerArista Networks
5453 Great America Parkway
Santa Clara CA 95054
Estimated Devices with 28-99-3A16256250
Estimated Total Devices From Mfg97537500
Other MAC AddressesFC-BD-67, 44-4C-A8, 74-83-EF, 00-1C-73, 98-5D-82
Address Examples