code: public Map getSettings(InetAddress iaddr) {
  
  	Map result = new TreeMap(String.CASE_INSENSITIVE_ORDER);
  
  	List<IPRangeNode> chain = getChain(iaddr);
  
  	for (IPRangeNode<Map> ipr: chain) {
  
  	    Map m = ipr.getData();
  	    if (m != null) result.putAll(m);
  	}
  
  	return result;
      }
docs: returns the cumulative settings for a given address
  
  @param iaddr
  @return