public function loadIPs($skipCache = null) {
        $mckey = "railpage:bancontrol.ips;v4"; 
        
        if ($skipCache || !$this->Memcached->contains($mckey) || !$this->ip_addresses = json_decode(gzuncompress($this->Memcached->Fetch($mckey)), true)) {
            $query = "SELECT b.id, b.ip, b.ban_time, b.ban_expire, b.ban_reason, b.banned_by AS admin_user_id, au.username AS admin_username