SQL Statements simplified and some bugfixing

assigniptonode.php

@@ -36,13 +36,13 @@
 	
 	// build query
 		$query = "SELECT
-				subnet.subnet_address AS subnet_address,
-				subnet.subnet_mask AS subnet_mask
+				subnet_address,
+				subnet_mask
 			FROM
 				subnet
 			WHERE
-				subnet.subnet_id=" . $subnet_id;
-		
+				subnet_id=" . $subnet_id;
+
 		// run query
 		$subnet = $db->db_select($query);