PING ptr-ranking.info (104.21.48.1) 56(84) bytes of data.
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=1 ttl=60 time=5.89 ms
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=2 ttl=60 time=4.84 ms
64 bytes from 104.21.48.1 (104.21.48.1): icmp_seq=3 ttl=60 time=4.61 ms

--- ptr-ranking.info ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 4.619/5.121/5.898/0.560 ms