PING underground-www.hazpw.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=4.60 ms
64 bytes from 104.21.9.108 (104.21.9.108): icmp_seq=2 ttl=60 time=4.60 ms
64 bytes from 104.21.9.108 (104.21.9.108): icmp_seq=3 ttl=60 time=4.52 ms

--- underground-www.hazpw.icoc.cc ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.520/4.576/4.609/0.068 ms