PING www.yallfa.ir (104.21.53.133) 56(84) bytes of data.
64 bytes from 104.21.53.133 (104.21.53.133): icmp_seq=1 ttl=60 time=6.62 ms
64 bytes from 104.21.53.133 (104.21.53.133): icmp_seq=2 ttl=60 time=4.42 ms
64 bytes from 104.21.53.133 (104.21.53.133): icmp_seq=3 ttl=60 time=4.36 ms

--- www.yallfa.ir ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.365/5.138/6.625/1.053 ms