(self)
return 2 ** locallen
Return the length of an subnet.

        >>> print IP('195.185.1.0/28').len()
        16
        >>> print IP('195.185.1.0/24').len()
        256
Return the length of an subnet.
Return the length of an subnet .
def len(self):
        """Return the length of an subnet.

        >>> print IP('195.185.1.0/28').len()
        16
        >>> print IP('195.185.1.0/24').len()
        256
        """

        if self._ipversion == 4:
            locallen = 32 - self._prefixlen
        elif self._ipversion == 6:
            locallen = 128 - self._prefixlen
        else:
            raise ValueError("only IPv4 and IPv6 supported")

        return 2 ** locallen
def len ( self ) : if self . _ipversion == 4 : locallen = 32 - self . _prefixlen elif self . _ipversion == 6 : locallen = 128 - self . _prefixlen else : raise ValueError ( "only IPv4 and IPv6 supported" ) return 2 ** locallen