PING viaeng.co.kr (211.115.125.42) 56(84) bytes of data.
64 bytes from w1.dubuplus.com (211.115.125.42): icmp_seq=1 ttl=55 time=256 ms
64 bytes from w1.dubuplus.com (211.115.125.42): icmp_seq=2 ttl=55 time=254 ms
64 bytes from w1.dubuplus.com (211.115.125.42): icmp_seq=3 ttl=55 time=254 ms

--- viaeng.co.kr ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2464ms
rtt min/avg/max/mdev = 254.771/255.454/256.754/1.007 ms