diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/lib/ServerLibrary.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/lib/ServerLibrary.kt
new file mode 100644
index 0000000..d44e055
--- /dev/null
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/lib/ServerLibrary.kt
@@ -0,0 +1,19 @@
+package com.bartlomiejpluta.ttsserver.core.lua.lib
+
+import com.bartlomiejpluta.ttsserver.core.util.NetworkUtil
+import org.luaj.vm2.LuaValue
+import org.luaj.vm2.lib.TwoArgFunction
+
+class ServerLibrary(private val networkUtil: NetworkUtil) : TwoArgFunction() {
+   override fun call(modname: LuaValue, env: LuaValue): LuaValue {
+      val server = LuaValue.tableOf().apply {
+         set("port", networkUtil.port)
+         set("address", networkUtil.address)
+         set("url", networkUtil.url)
+      }
+
+      env.set("server", server)
+
+      return LuaValue.NIL
+   }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/sandbox/SandboxFactory.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/sandbox/SandboxFactory.kt
index 2a16077..a97e109 100644
--- a/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/sandbox/SandboxFactory.kt
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/lua/sandbox/SandboxFactory.kt
@@ -1,9 +1,6 @@
 package com.bartlomiejpluta.ttsserver.core.lua.sandbox
 
-import com.bartlomiejpluta.ttsserver.core.lua.lib.HTTPLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.SonosLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.TTSLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.UtilLibrary
+import com.bartlomiejpluta.ttsserver.core.lua.lib.*
 import org.luaj.vm2.Globals
 import org.luaj.vm2.LoadState
 import org.luaj.vm2.compiler.LuaC
@@ -16,6 +13,7 @@ import org.luaj.vm2.lib.jse.JseOsLib
 
 class SandboxFactory(
    private val utilLibrary: UtilLibrary,
+   private val serverLibrary: ServerLibrary,
    private val httpLibrary: HTTPLibrary,
    private val ttsLibrary: TTSLibrary,
    private val sonosLibrary: SonosLibrary
@@ -28,6 +26,7 @@ class SandboxFactory(
       it.load(JseMathLib())
       it.load(JseOsLib())
       it.load(utilLibrary)
+      it.load(serverLibrary)
       it.load(httpLibrary)
       it.load(ttsLibrary)
       it.load(sonosLibrary)
diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/core/util/NetworkUtil.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/util/NetworkUtil.kt
index b089403..5becff6 100644
--- a/app/src/main/java/com/bartlomiejpluta/ttsserver/core/util/NetworkUtil.kt
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/core/util/NetworkUtil.kt
@@ -9,13 +9,15 @@ import java.net.InetAddress
 
 
 class NetworkUtil(private val context: Context, private val preferences: SharedPreferences) {
-   val serverAddress: String
-      get() = "http://${getIpAddress()}:${preferences.getInt(PreferenceKey.PORT, 8000)}"
+   val port: Int
+      get() = preferences.getInt(PreferenceKey.PORT, 8000)
 
-   fun getIpAddress(): String {
-      return (context.getApplicationContext().getSystemService(WIFI_SERVICE) as WifiManager).let {
-         inetAddress(it.dhcpInfo.ipAddress).toString().substring(1)
-      }
+   val url: String
+      get() = "http://$address:$port"
+
+   val address: String
+      get() = (context.getApplicationContext().getSystemService(WIFI_SERVICE) as WifiManager).let {
+      inetAddress(it.dhcpInfo.ipAddress).toString().substring(1)
    }
 
    private fun inetAddress(hostAddress: Int) = byteArrayOf(
diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/di/module/LuaModule.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/di/module/LuaModule.kt
index ce14347..3bdde39 100644
--- a/app/src/main/java/com/bartlomiejpluta/ttsserver/di/module/LuaModule.kt
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/di/module/LuaModule.kt
@@ -1,13 +1,11 @@
 package com.bartlomiejpluta.ttsserver.di.module
 
 import android.content.Context
-import com.bartlomiejpluta.ttsserver.core.lua.lib.HTTPLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.SonosLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.TTSLibrary
-import com.bartlomiejpluta.ttsserver.core.lua.lib.UtilLibrary
+import com.bartlomiejpluta.ttsserver.core.lua.lib.*
 import com.bartlomiejpluta.ttsserver.core.lua.loader.EndpointLoader
 import com.bartlomiejpluta.ttsserver.core.lua.sandbox.SandboxFactory
 import com.bartlomiejpluta.ttsserver.core.tts.engine.TTSEngine
+import com.bartlomiejpluta.ttsserver.core.util.NetworkUtil
 import dagger.Module
 import dagger.Provides
 import javax.inject.Singleton
@@ -24,15 +22,20 @@ class LuaModule {
    @Singleton
    fun sandboxFactory(
       utilLibrary: UtilLibrary,
+      serverLibrary: ServerLibrary,
       httpLibrary: HTTPLibrary,
       ttsLibrary: TTSLibrary,
       sonosLibrary: SonosLibrary
    ) =
-      SandboxFactory(utilLibrary, httpLibrary, ttsLibrary, sonosLibrary)
+      SandboxFactory(utilLibrary, serverLibrary, httpLibrary, ttsLibrary, sonosLibrary)
 
    @Provides
    @Singleton
-   fun extraLibrary() = UtilLibrary()
+   fun utilLibrary() = UtilLibrary()
+
+   @Provides
+   @Singleton
+   fun serverLibrary(networkUtil: NetworkUtil) = ServerLibrary(networkUtil)
 
    @Provides
    @Singleton
diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/service/notification/ForegroundNotificationFactory.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/service/notification/ForegroundNotificationFactory.kt
index 211d428..9930a85 100644
--- a/app/src/main/java/com/bartlomiejpluta/ttsserver/service/notification/ForegroundNotificationFactory.kt
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/service/notification/ForegroundNotificationFactory.kt
@@ -20,7 +20,7 @@ class ForegroundNotificationFactory(
       get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
 
    private val notificationContent: String
-      get() = context.getString(R.string.service_notification_text, networkUtil.serverAddress)
+      get() = context.getString(R.string.service_notification_text, networkUtil.url)
 
    fun createForegroundNotification(): Notification {
       createNotificationChannel()
diff --git a/app/src/main/java/com/bartlomiejpluta/ttsserver/ui/main/MainActivity.kt b/app/src/main/java/com/bartlomiejpluta/ttsserver/ui/main/MainActivity.kt
index ec8d80f..d63bfdf 100644
--- a/app/src/main/java/com/bartlomiejpluta/ttsserver/ui/main/MainActivity.kt
+++ b/app/src/main/java/com/bartlomiejpluta/ttsserver/ui/main/MainActivity.kt
@@ -80,7 +80,7 @@ class MainActivity : DaggerAppCompatActivity() {
          ServiceState.RUNNING -> {
             serverControlButton.setImageResource(R.drawable.ic_power_on)
             serverStatus.text =
-               getString(R.string.main_activity_server_status_up, networkUtil.serverAddress)
+               getString(R.string.main_activity_server_status_up, networkUtil.url)
             promptText.text = getString(R.string.main_activity_prompt_to_stop)
          }
       }