tcpping -h <host> -p <port> -c <count> -t <timeout> -q[quiet]
tcpping -h github.com -p 8080
TCPPING github.com (13.250.177.223):
seq 1: 13.250.177.223:8080[close] 1000ms
seq 2: 13.250.177.223:8080[close] 1000ms
seq 3: 13.250.177.223:8080[close] 1000ms
seq 4: 13.250.177.223:8080[close] 1000ms
^C----------
total: 4
min/avg/max = 1000/1000/1000ms