PING cn1-china-2.kututu.cc (31.57.33.222) 56(84) bytes of data.
64 bytes from server.keyubu.com (31.57.33.222): icmp_seq=1 ttl=57 time=41.9 ms
64 bytes from server.keyubu.com (31.57.33.222): icmp_seq=2 ttl=57 time=41.7 ms
64 bytes from server.keyubu.com (31.57.33.222): icmp_seq=3 ttl=57 time=41.8 ms

--- cn1-china-2.kututu.cc ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 41.758/41.848/41.948/0.248 ms