PING www.whois.com.tr (104.21.66.16) 56(84) bytes of data.
64 bytes from 104.21.66.16 (104.21.66.16): icmp_seq=1 ttl=60 time=5.14 ms
64 bytes from 104.21.66.16 (104.21.66.16): icmp_seq=2 ttl=60 time=4.39 ms
64 bytes from 104.21.66.16 (104.21.66.16): icmp_seq=3 ttl=60 time=4.41 ms

--- www.whois.com.tr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.391/4.650/5.147/0.351 ms