diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 821be0693..176ef7b40 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -5035,12 +5035,12 @@ void DeviceManager::on_machine_alive(std::string json_str)
 
             if (obj->dev_ip.compare(dev_ip) != 0) {
                 if ( connection_name.empty() ) {
-                    BOOST_LOG_TRIVIAL(info) << "MachineObject IP changed from " << obj->dev_ip << " to " << dev_ip;
+                    BOOST_LOG_TRIVIAL(info) << "MachineObject IP changed from " << Slic3r::GUI::wxGetApp().format_IP(obj->dev_ip) << " to " << Slic3r::GUI::wxGetApp().format_IP(dev_ip);
                     obj->dev_ip = dev_ip;
                 }
                 else {
                     if ( obj->dev_connection_name.empty() || obj->dev_connection_name.compare(connection_name) == 0) {
-                        BOOST_LOG_TRIVIAL(info) << "MachineObject IP changed from " << obj->dev_ip << " to " << dev_ip << " connection_name is " << connection_name;
+                        BOOST_LOG_TRIVIAL(info) << "MachineObject IP changed from " << Slic3r::GUI::wxGetApp().format_IP(obj->dev_ip) << " to " << Slic3r::GUI::wxGetApp().format_IP(dev_ip) << " connection_name is " << connection_name;
                         if(obj->dev_connection_name.empty()){obj->dev_connection_name = connection_name;}
                         obj->dev_ip = dev_ip;
                     }
@@ -5096,7 +5096,7 @@ void DeviceManager::on_machine_alive(std::string json_str)
              }*/
 
 
-            BOOST_LOG_TRIVIAL(debug) << "SsdpDiscovery::New Machine, ip = " << dev_ip << ", printer_name= " << dev_name << ", printer_type = " << printer_type_str << ", signal = " << printer_signal;
+            BOOST_LOG_TRIVIAL(info) << "SsdpDiscovery::New Machine, ip = " << Slic3r::GUI::wxGetApp().format_IP(dev_ip) << ", printer_name= " << dev_name << ", printer_type = " << printer_type_str << ", signal = " << printer_signal;
         }
     }
     catch (...) {
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 9aeffd94e..07d7a4fd6 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -4504,6 +4504,24 @@ std::string GUI_App::format_display_version()
     return version_display;
 }
 
+std::string GUI_App::format_IP(const std::string& ip)
+{
+    std::string format_ip = ip;
+    size_t pos_st = 0;
+    size_t pos_en = 0;
+
+    for (int i = 0; i < 2; i++) {
+        pos_en = format_ip.find('.', pos_st + 1);
+        if (pos_en == std::string::npos) {
+            return ip;
+        }
+        format_ip.replace(pos_st, pos_en - pos_st, "***");
+        pos_st = pos_en + 1;
+    }
+
+    return format_ip;
+}
+
 void GUI_App::show_dialog(wxString msg)
 {
     if (m_info_dialog_content.empty()) {
diff --git a/src/slic3r/GUI/GUI_App.hpp b/src/slic3r/GUI/GUI_App.hpp
index 913277aff..cff5deeb5 100644
--- a/src/slic3r/GUI/GUI_App.hpp
+++ b/src/slic3r/GUI/GUI_App.hpp
@@ -449,6 +449,7 @@ public:
     void            set_skip_version(bool skip = true);
     void            no_new_version();
     static std::string format_display_version();
+    std::string     format_IP(const std::string& ip);
     void            show_dialog(wxString msg);
     void            reload_settings();
     void            remove_user_presets();