docs: public static boolean isIpAddressAllowed(String ipAddress, String... whitelist) {
  
  		if (StringUtils.isNullOrEmpty(ipAddress) || whitelist == null || whitelist.length == 0) {
  			return false;
  		}
  
  		for (String address : whitelist) {
  
  			if (ipAddress.equals(address)) {
  				return true;
  			}
  
  			if (address.contains("/")) { // is range definition
  
  				SubnetUtils utils = new SubnetUtils(address);
  				utils.setInclusiveHostCount(true);
  
  				if (utils.getInfo().isInRange(ipAddress)) {
  					return true;
  				}
  			}
  		}
  
  		return false;
  	}