@property
    def ipv4_mapped(self):
        hextets = self._explode_shorthand_ip_string().split(':')
        if hextets[-3] != 'ffff':
            return None
        try:
            return IPv4Address(int('%s%s' % (hextets[-2], hextets[-1]), 16))
        except AddressValueError:
            return None
Remove an item from the data store.
dataset/ETHPy150Open anandology/pyjamas/pyjs/src/pyjs/lib/ipaddr.py/_BaseV6.ipv4_mapped--crossover with--dataset/ETHPy150Open ntoll/p4p2p/p4p2p/dht/storage.py/DataStore.__delitem__