This is an effective question :)

Despite one stopword it has effective title :)

Which makes for good search terms :)

ddg://ping threads site:perlmonks.org

google://ping threads site:perlmonks.org

ping thread

Does Net::Ping have concurrency issues?

Net::Ping with threads

Multi-threading ping of a list of hosts.....Again!

Threads: How to fix "Scalars leaked" Issue?

Net::Ping, the mini series

Pinging server using multithreading concept

Multi Threading the ping process

Hopefully these threads contain something useful to you :)