The result of sending an ICMP echo request (ping) to your address is:

Notice: Often workstations' local firewalls are
configured to block incoming ICMP echo requests by default.

PING 18.97.14.81 (18.97.14.81) 56(84) bytes of data.

--- 18.97.14.81 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1017ms