code: public String toDottedString() {
  		String result = null;
  		if(hasNoStringCache() || (result = getStringCache().dottedString) == null) {
  			AddressDivisionGrouping dottedGrouping = getDottedGrouping();
  			getStringCache().dottedString = result = toNormalizedString(MACStringCache.dottedParams, dottedGrouping);
  		}
  		return result;
  	}
docs: This produces the dotted hexadecimal format aaaa.bbbb.cccc