PING www.tc.umn.edu.cdn.cloudflare.net (104.18.20.107) 56(84) bytes of data.
64 bytes from 104.18.20.107 (104.18.20.107): icmp_seq=1 ttl=60 time=6.64 ms
64 bytes from 104.18.20.107 (104.18.20.107): icmp_seq=2 ttl=60 time=3.99 ms
64 bytes from 104.18.20.107 (104.18.20.107): icmp_seq=3 ttl=60 time=3.99 ms

--- www.tc.umn.edu.cdn.cloudflare.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 3.992/4.876/6.642/1.250 ms