def METHOD_NAME(self, node_id, service_id):
    for addr in self.nodes[node_id].get_ip6_address(config.ADDRESS_TYPE.ALOC):
        m = re.match('.*:fc(..)$', addr, re.I)
        if m is not None:
            if m.group(1) == str(service_id + 10):  # for service_id=3 look for '...:fc13'
                return True
    return False