PING abooklink.com (104.21.29.251) 56(84) bytes of data.
64 bytes from 104.21.29.251 (104.21.29.251): icmp_seq=1 ttl=60 time=7.26 ms
64 bytes from 104.21.29.251 (104.21.29.251): icmp_seq=2 ttl=60 time=4.11 ms
64 bytes from 104.21.29.251 (104.21.29.251): icmp_seq=3 ttl=60 time=4.18 ms

--- abooklink.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.119/5.189/7.266/1.470 ms