Nmap scan report for ip-149-154-161-252.ptr.telegram.org (149.154.161.252)
Host is up (0.083s latency).
All 100 scanned ports on ip-149-154-161-252.ptr.telegram.org (149.154.161.252) are in ignored states.
Not shown: 96 filtered tcp ports (no-response), 4 filtered tcp ports (admin-prohibited)

Nmap done: 1 IP address (1 host up) scanned in 8.56 seconds