SELECT ec.client_net_address, es.[program_name], es.[host_name], es.login_name, COUNT(ec.session_id) AS [connection count] FROM sys.dm_exec_sessions AS es WITH (NOLOCK) INNER JOIN sys.dm_exec_connections AS ec WITH (NOLOCK) ON es.session_id = ec.session_id GROUP BY ec.client_net_address, es.[program_name], es.[host_name], es.login_name ORDER BY ec.client_net_address, es.[program_name]