PING www.137dh.com (104.21.233.219) 56(84) bytes of data.
64 bytes from 104.21.233.219 (104.21.233.219): icmp_seq=1 ttl=60 time=8.04 ms
64 bytes from 104.21.233.219 (104.21.233.219): icmp_seq=2 ttl=60 time=7.48 ms
64 bytes from 104.21.233.219 (104.21.233.219): icmp_seq=3 ttl=60 time=7.52 ms

--- www.137dh.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 7.481/7.682/8.041/0.264 ms