PING koreanschool.youngnak.com (198.185.159.144) 56(84) bytes of data.
64 bytes from 198.185.159.144 (198.185.159.144): icmp_seq=1 ttl=58 time=6.37 ms
64 bytes from 198.185.159.144 (198.185.159.144): icmp_seq=2 ttl=58 time=4.40 ms
64 bytes from 198.185.159.144 (198.185.159.144): icmp_seq=3 ttl=58 time=4.51 ms

--- koreanschool.youngnak.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.407/5.100/6.376/0.903 ms