PING r.diandian.com (47.99.127.55) 56(84) bytes of data.
64 bytes from 47.99.127.55 (47.99.127.55): icmp_seq=1 ttl=88 time=245 ms
64 bytes from 47.99.127.55 (47.99.127.55): icmp_seq=2 ttl=88 time=242 ms
64 bytes from 47.99.127.55 (47.99.127.55): icmp_seq=3 ttl=88 time=243 ms

--- r.diandian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 242.365/243.756/245.223/1.299 ms