PING web20vn.com--www.pumingsh.icoc.cc (104.21.9.108) 56(84) bytes of data.
64 bytes from 104.21.9.108 (104.21.9.108): icmp_seq=1 ttl=60 time=5.01 ms
64 bytes from 104.21.9.108 (104.21.9.108): icmp_seq=2 ttl=60 time=4.92 ms
64 bytes from 104.21.9.108 (104.21.9.108): icmp_seq=3 ttl=60 time=4.91 ms

--- web20vn.com--www.pumingsh.icoc.cc ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 4.912/4.952/5.019/0.047 ms