def explode_port(port, base_port=10000):
    """
    Create a high port number > 10000 for use with UDP tunnels
    :param port: port number to add to the base port
    :param base_port: Port number above 10000
    :return: Int port number
    """
    port_error = 'port must be and integer from 0 to 99 or 666'
    if not isinstance(port, int):
        raise AttributeError(port_error)
    if port == 666:
        return base_port + port
    elif not 0 <= port < 100:
        raise AttributeError(port_error)
    return base_port + port
