PING 10.139.21.33 (10.139.21.33) 56(84) bytes of data.
64 bytes from 10.139.21.33: icmp_req=1 ttl=59 time=5.20 ms
64 bytes from 10.139.21.33: icmp_req=2 ttl=59 time=3.74 ms
64 bytes from 10.139.21.33: icmp_req=3 ttl=59 time=3.75 ms
64 bytes from 10.139.21.33: icmp_req=4 ttl=59 time=3.88 ms
64 bytes from 10.139.21.33: icmp_req=5 ttl=59 time=3.71 ms

--- 10.139.21.33 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 3.716/4.063/5.209/0.576 ms