connection failed while calling api in flutter

I am connecting api using swagger it is giving excelent result but when hitting api via mobile app it throws error connection failed: OS Error: Network is unreachable errorno= 101

my api calling code

  var file = await File(filepath).readAsBytes();
  var uri = Uri.parse('http://192.168.18.2:1111/predict');
  // print(url);
  // Create a multipart request
  var request = http.MultipartRequest("POST", uri);
  // Create a multipart file
  var multipartFile = http.MultipartFile.fromBytes(
    'file',
    file,
    filename: filepath.split("/").last,
  );
  // Add the file to the request
  request.files.add(multipartFile);
  try{
    return await request.send();
  }
  catch(e){
    return http.StreamedResponse(Stream.error(e), 404);
  }