code: public MACAddressSection toEUI(boolean extended) {
  		MACAddressSegment[] segs = toEUISegments(extended);
  		if(segs == null) {
  			return null;
  		}
  		MACAddressCreator creator = getMACNetwork().getAddressCreator();
  		return createSectionInternal(creator, segs, Math.max(0, addressSegmentIndex - 4) << 1, extended);
  	}
docs: Returns the corresponding mac section, or null if this address section does not correspond to a mac section.
  If this address section has a prefix length it is ignored.
  
  @param extended
  @return