Результат выполнения команды PING для prosystem.ru.:

PING prosystem.ru (81.177.49.6) 56(84) bytes of data.
64 bytes from 81.177.49.6 (81.177.49.6): icmp_seq=1 ttl=57 time=1.46 ms
64 bytes from 81.177.49.6 (81.177.49.6): icmp_seq=2 ttl=57 time=1.54 ms
64 bytes from 81.177.49.6 (81.177.49.6): icmp_seq=3 ttl=57 time=1.32 ms
64 bytes from 81.177.49.6 (81.177.49.6): icmp_seq=4 ttl=57 time=1.29 ms
64 bytes from 81.177.49.6 (81.177.49.6): icmp_seq=5 ttl=57 time=1.17 ms

--- prosystem.ru ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4005ms
rtt min/avg/max/mdev = 1.177/1.361/1.540/0.128 ms