def _reverse_pointer(self):
        """Return the reverse DNS pointer name for the IPv4 address.

        This implements the method described in RFC1035 3.5.

        """
        reverse_octets = _compat_str(self).split('.')[::-1]
        return '.'.join(reverse_octets) + '.in-addr.arpa'
Return the reverse DNS pointer name for the IPv4 address.

        This implements the method described in RFC1035 3.5.

        
product/gradle-plugin/src/main/python/pip/_vendor/ipaddress.py