Please note that your IP has been temporarily Null routed due to a DDoS attack directed at/from your server.
The null route will not be removed until the DDoS attack has ceased completely. If you wish to access your server soon, I suggest you purchase a DDoS Protected IP. Please refer to the guide below and let me know if you have further questions or concerns
How to attach a DDoS protected IP to my instance? — https://help.cloudcone.com/en-us/article/how-to-attach-a-ddos-protected-ip-to-my-instance-7w8hjl/