How to use the ciscoconfparse.local_py.ipaddr.IPv6Network function in ciscoconfparse

'::1/128'.

    Returns:
        An IPv4Network or IPv6Network object.

    Raises:
        ValueError: if the string passed isn't either a v4 or a v6
          address. Or if a strict network was requested and a strict
          network wasn't given.

    """
    if version:
        if version == 4:
            return IPv4Network(address, strict)
        elif version == 6:
            return IPv6Network(address, strict)

    try:
        return IPv4Network(address, strict)
    except (AddressValueError, NetmaskValueError):
        pass

    try:
        return IPv6Network(address, strict)
    except (AddressValueError, NetmaskValueError):
        pass

    raise ValueError('%r does not appear to be an IPv4 or IPv6 network' %
                     address)

"""
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

"""
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

Returns:
            A boolean, True if the address is within one of the
            reserved IPv6 Network ranges.

        """
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

reserved IPv6 Network ranges.

        """
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

Returns:
            A boolean, True if the address is within one of the
            reserved IPv6 Network ranges.

        """
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

"""Test if the address is otherwise IETF reserved.

        Returns:
            A boolean, True if the address is within one of the
            reserved IPv6 Network ranges.

        """
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))

    @property
    def is_link_local(self):
        """Test if the address is reserved for link-local.

        Returns:
            A boolean, True if the address is reserved per RFC 4291.

        """
        return self in IPv6Network('fe80::/10')

"""
    if not (isinstance(first, _BaseIP) and isinstance(last, _BaseIP)):
        raise TypeError('first and last must be IP addresses, not networks')
    if first.version != last.version:
        raise TypeError("%s and %s are not of the same version" % (
                str(first), str(last)))
    if first > last:
        raise ValueError('last IP address must be greater than first')

    networks = []

    if first.version == 4:
        ip = IPv4Network
    elif first.version == 6:
        ip = IPv6Network
    else:
        raise ValueError('unknown IP version')

    ip_bits = first._max_prefixlen
    first_int = first._ip
    last_int = last._ip
    while first_int <= last_int:
        nbits = _count_righthand_zero_bits(first_int, ip_bits)
        current = None
        while nbits >= 0:
            addend = 2**nbits - 1
            current = first_int + addend
            nbits -= 1
            if current <= last_int:
                break
        prefix = _get_prefix_length(first_int, current, ip_bits)

def is_reserved(self):
        """Test if the address is otherwise IETF reserved.

        Returns:
            A boolean, True if the address is within one of the
            reserved IPv6 Network ranges.

        """
        return (self in IPv6Network('::/8') or
                self in IPv6Network('100::/8') or
                self in IPv6Network('200::/7') or
                self in IPv6Network('400::/6') or
                self in IPv6Network('800::/5') or
                self in IPv6Network('1000::/4') or
                self in IPv6Network('4000::/3') or
                self in IPv6Network('6000::/3') or
                self in IPv6Network('8000::/3') or
                self in IPv6Network('A000::/3') or
                self in IPv6Network('C000::/3') or
                self in IPv6Network('E000::/4') or
                self in IPv6Network('F000::/5') or
                self in IPv6Network('F800::/6') or
                self in IPv6Network('FE00::/9'))