code: public Map getNodeSettings(InetAddress addr) {
  
  	IPRangeNode<Map> ipr = this.get(addr);
  
  	if (ipr != null) {
  
  	    Map result = ipr.getData();
  
  	    if (result != null) return result;
  	}
  
  	return EMPTY;
      }
docs: returns the settings for a single (non-cumulative) node that best matches the given address
  
  @param addr
  @return