Something

        <Directory /home/onestore/data/www/onestore.dk/app/webroot>
                AllowOverride None

                RewriteEngine On

                RewriteCond %{REMOTE_HOST} !89.150.91.68
                RewriteCond %{REMOTE_HOST} !85.82.232.231
                RewriteCond %{REMOTE_HOST} !86.52.241.70
                RewriteRule ^(.*)$ coming-soon.html [L]

                RewriteCond %{REQUEST_FILENAME} !-f
                RewriteCond %{REQUEST_FILENAME} !-d
                RewriteRule ^(.*)$ index.php?url=$1 [L]
        </Directory>