PING uc.cn (219.133.46.154) 56(84) bytes of data.
64 bytes from 219.133.46.154 (219.133.46.154): icmp_seq=1 ttl=45 time=257 ms
64 bytes from 219.133.46.154 (219.133.46.154): icmp_seq=2 ttl=45 time=255 ms
64 bytes from 219.133.46.154 (219.133.46.154): icmp_seq=3 ttl=45 time=255 ms

--- uc.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 255.824/256.512/257.884/1.132 ms