Looping netcat over an address/port for as many as you decide
./ncping.sh IP/HOST PORT HOW_MANY_TIMES
e.g. ./ncping.sh checkip.amazonaws.com 443 10
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!
Connection to checkip.amazonaws.com port 443 [tcp/https] succeeded!