The U.S. Naval Academy (USNA) Information Technology Services Division is seeking qualified sources to provide a direct one-for-one replacement of 15 existing Infoblox DNS, DHCP, and IP Address Management (DDI) Grid appliances, including 10 Trinzic X6 906, 4 X6 1506, and 1 X6 1606 appliances, plus NIOS software subscriptions, Premium Maintenance-Enterprise support, power supplies, and peripherals. The effort supports USNA’s core network naming and addressing services and is anticipated as a Firm Fixed Price delivery/purchase order under NAICS 423430, with delivery 30 days after receipt of order. This is a Sources Sought/Request for Information for planning purposes, not a solicitation, and no contract will be awarded from the announcement. Interested parties should provide company information, business size/status, capability and relevant past performance, and any applicable existing Government contract vehicle information.