public function ips($hours = 24, $class = null)
    {
        $zoneIps = $this->get('zoneIps', $this->data(compact('hours', 'class')), $hours.$class);

        $ips = array_get($zoneIps, 'response.ips');

        $all = new Collection();

        foreach ($ips as $ip) {
            $name = $ip['ip'];
            $zoneIp = new ZoneIP($this->client, $name, $this, ['zoneIp' => $ip]);
            $all->put($name, $zoneIp);
        }

        return $all;
    }