diff --git a/pandora_console/include/functions.php b/pandora_console/include/functions.php
index 0b9f71221b..c928bcc6ef 100644
--- a/pandora_console/include/functions.php
+++ b/pandora_console/include/functions.php
@@ -3853,9 +3853,10 @@ function pandora_xhprof_display_result($key='', $method='link')
 /**
  * From a network with a mask remove the smallest ip and the highest
  *
- * @param  string address to identify the network.
- * @param  string mask to identify the mask network
- * @return array or false with smallest ip and highest ip
+ * @param string $address Identify the network.
+ * @param string $mask    Identify the mask network.
+ *
+ * @return array or false with smallest ip and highest ip.
  */
 function range_ips_for_network($address, $mask)
 {
@@ -3863,15 +3864,15 @@ function range_ips_for_network($address, $mask)
         return false;
     }
 
-    // convert ip addresses to long form
+    // Convert ip addresses to long form.
     $address_long = ip2long($address);
     $mask_long = ip2long($mask);
 
-    // caculate first usable address
+    // Calculate first usable address.
     $ip_host_first = ((~$mask_long) & $address_long);
-    $ip_first = (($address_long ^ $ip_host_first) + 1);
+    $ip_first = (($address_long ^ $ip_host_first));
 
-    // caculate last usable address
+    // Calculate last usable address.
     $ip_broadcast_invert = ~$mask_long;
     $ip_last = (($address_long | $ip_broadcast_invert) - 1);
 
@@ -3887,9 +3888,10 @@ function range_ips_for_network($address, $mask)
 /**
  * from two ips find out if there is such an ip
  *
- * @param  string ip ip wont validate
- * @param  string ip_lower
- * @param  string ip_upper
+ * @param string ip ip wont validate
+ * @param string ip_lower
+ * @param string ip_upper
+ *
  * @return boolean true or false if the ip is between the two ips
  */
 function is_in_network($ip, $ip_lower, $ip_upper)