@property
    def is_multicast(self):
        """Test if the address is reserved for multicast use.

        Returns:
            A boolean, True if the address is multicast.
            See RFC 3171 for details.

        """
        multicast_network = IPv4Network('224.0.0.0/4')
        return multicast_network in self
dataset/ETHPy150Open saltstack/salt/salt/ext/ipaddress.py/IPv4Address.is_multicast/swapped operands of `in`