code: public IPv4Address getEmbeddedIPv4Address() {
  		IPv4AddressCreator creator = getIPv4Network().getAddressCreator();
  		return creator.createAddress(getSection().getEmbeddedIPv4AddressSection()); /* address creation */
  	}
docs: Returns the embedded {@link IPv4Address} in the lowest (least-significant) two segments.
  This is used by IPv4-mapped, IPv4-compatible, ISATAP addresses and 6over4 addresses
  
  @return the embedded {@link IPv4Address}