PING airless.kr (185.53.177.50) 56(84) bytes of data.
64 bytes from 185.53.177.50 (185.53.177.50): icmp_seq=1 ttl=55 time=17.0 ms
64 bytes from 185.53.177.50 (185.53.177.50): icmp_seq=2 ttl=55 time=15.3 ms
64 bytes from 185.53.177.50 (185.53.177.50): icmp_seq=3 ttl=55 time=15.0 ms

--- airless.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 15.096/15.824/17.030/0.870 ms