PING readthedocs.io (104.16.253.120) 56(84) bytes of data.
64 bytes from 104.16.253.120 (104.16.253.120): icmp_seq=1 ttl=59 time=4.88 ms
64 bytes from 104.16.253.120 (104.16.253.120): icmp_seq=2 ttl=59 time=4.62 ms
64 bytes from 104.16.253.120 (104.16.253.120): icmp_seq=3 ttl=59 time=4.66 ms

--- readthedocs.io ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.629/4.728/4.889/0.139 ms