'Returns numerical rank for get_addr()
:returns: 2 - FQ, 1 - wildcard, 0 - _default_
:rtype: int'

def _rank_specific_addr(self):

    if (self.get_addr() == '_default_'):
        return 0
    elif (self.get_addr() == '*'):
        return 1
    else:
        return 2
