Get IP address from OWIN

src/Umbraco.Core/Auditing/IdentityAuditEventArgs.cs

@@ -33,12 +33,12 @@ namespace Umbraco.Core.Auditing
         /// <returns></returns>
         protected string GetCurrentRequestIpAddress()
         {
-            var httpContext = HttpContext.Current == null ? (HttpContextBase)null : new HttpContextWrapper(HttpContext.Current);
-            return httpContext.GetCurrentRequestIpAddress();
+            var owinContext = HttpContext.Current.GetOwinContext();
+            return owinContext == null ? string.Empty : owinContext.Request.RemoteIpAddress;
         }
 
         /// <summary>
-        /// Returns the current request IP address for logging if there is one
+        /// Returns the current logged in backoffice user's Id logging if there is one
         /// </summary>
         /// <returns></returns>
         protected int GetCurrentRequestBackofficeUserId()