“Ping” is an internet protocol that helps one computer determine whether another computer is working and online. It’s invaluable for corporate servers, but not so meaningful for home networks.
Hackers have begun to use “Ping” when looking for home networks to attack, so it’s recommended to turn it off on home routers if possible.
To learn more about what it means to be WAS Pingable please click here
Here’s what RouterCheck tells you.