diff --git a/client_asset_details.php b/client_asset_details.php
index 05345413..1a6b34e9 100644
--- a/client_asset_details.php
+++ b/client_asset_details.php
@@ -103,6 +103,7 @@ if (isset($_GET['asset_id'])) {
             ai.interface_type,
             ai.interface_mac,
             ai.interface_ip,
+            ai.interface_nat_ip,
             ai.interface_ipv6,
             ai.interface_primary,
             ai.interface_notes,
@@ -409,6 +410,7 @@ if (isset($_GET['asset_id'])) {
                                     $interface_type     = nullable_htmlentities($row['interface_type']);
                                     $interface_mac      = nullable_htmlentities($row['interface_mac']);
                                     $interface_ip       = nullable_htmlentities($row['interface_ip']);
+                                    $interface_nat_ip   = nullable_htmlentities($row['interface_nat_ip']);
                                     $interface_ipv6     = nullable_htmlentities($row['interface_ipv6']);
                                     $interface_primary  = intval($row['interface_primary']);
                                     $network_id         = intval($row['network_id']);
diff --git a/modals/client_asset_interface_add_modal.php b/modals/client_asset_interface_add_modal.php
index 0a9b5760..745b609c 100644
--- a/modals/client_asset_interface_add_modal.php
+++ b/modals/client_asset_interface_add_modal.php
@@ -103,6 +103,8 @@
                                 name="nat_ip"
                                 placeholder="Nat IP"
                                 maxlength="200"
+                                data-inputmask="'alias': 'ip'"
+                                data-mask
                             >
                         </div>
                     </div>
diff --git a/modals/client_asset_interface_edit_modal.php b/modals/client_asset_interface_edit_modal.php
index c850d805..e9f5856c 100644
--- a/modals/client_asset_interface_edit_modal.php
+++ b/modals/client_asset_interface_edit_modal.php
@@ -163,6 +163,8 @@ if ($link_row = mysqli_fetch_assoc($sql_link)) {
                                 placeholder="Nat IP" 
                                 maxlength="200"
                                 value="<?php echo $interface_nat_ip; ?>"
+                                data-inputmask="'alias': 'ip'"
+                                data-mask
                             >
                         </div>
                     </div>
diff --git a/post/user/asset.php b/post/user/asset.php
index a85c812b..87b78193 100644
--- a/post/user/asset.php
+++ b/post/user/asset.php
@@ -736,6 +736,7 @@ if (isset($_POST['add_asset_interface'])) {
             interface_type       = '$type',
             interface_mac        = '$mac',
             interface_ip         = '$ip',
+            interface_nat_ip     = '$nat_ip',
             interface_ipv6       = '$ipv6',
             interface_notes      = '$notes',
             interface_network_id = $network,
@@ -848,6 +849,7 @@ if (isset($_POST['edit_asset_interface'])) {
             interface_type       = '$type',
             interface_mac        = '$mac',
             interface_ip         = '$ip',
+            interface_nat_ip     = '$nat_ip',
             interface_ipv6       = '$ipv6',   
             interface_notes      = '$notes',
             interface_network_id = $network
diff --git a/post/user/asset_interface_model.php b/post/user/asset_interface_model.php
index a2a912ad..52ff3347 100644
--- a/post/user/asset_interface_model.php
+++ b/post/user/asset_interface_model.php
@@ -10,6 +10,7 @@ $ip = sanitizeInput($_POST['ip']);
 if ($_POST['dhcp'] == 1){
     $ip = 'DHCP';
 }
+$nat_ip = sanitizeInput($_POST['nat_ip']);
 $ipv6 = sanitizeInput($_POST['ipv6']);
 $network = intval($_POST['network']);
 $notes = sanitizeInput($_POST['notes']);