Pinging www.21cn.com [61.140.60.90] with 32 bytes of data:
Reply from 61.140.60.90: bytes=32 time=16ms TTL=246
Reply from 61.140.60.90: bytes=32 time=47ms TTL=246
Reply from 61.140.60.90: bytes=32 time=16ms TTL=246
Reply from 61.140.60.90: bytes=32 time=32ms TTL=246
Ping statistics for 61.140.60.90:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 16ms, Maximum = 47ms, Average = 27ms