PING btr-k.ru (104.21.90.13) 56(84) bytes of data.
64 bytes from 104.21.90.13 (104.21.90.13): icmp_seq=1 ttl=60 time=4.47 ms
64 bytes from 104.21.90.13 (104.21.90.13): icmp_seq=2 ttl=60 time=4.08 ms
64 bytes from 104.21.90.13 (104.21.90.13): icmp_seq=3 ttl=60 time=4.02 ms

--- btr-k.ru ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.028/4.195/4.473/0.204 ms