docs: function _adjustIpStrFormat(ipString) {
          var ip = ipString.split('.');
          ipString = '';
          for (var i = 0; i < ip.length; i += 1) {
              switch (ip[i].length) {
                  case 1:
                      ip[i] = '00' + ip[i];
                      break;
                  case 2:
                      ip[i] = '0' + ip[i];
                      break;
                  default:
                      break;
              }
              ipString += ip[i];
          }
          return ipString.trim();
      }