英语翻译

题目

英语翻译
C:Documents and SettingsAdministrator>ping 10.21.0.156
Pinging 10.21.0.156 with 32 bytes of data:
Reply from 202.207.225.33:TTL expired in transit.
Reply from 202.207.225.33:TTL expired in transit.
Reply from 202.207.225.33:TTL expired in transit.
Reply from 202.207.225.33:TTL expired in transit.
Ping statistics for 10.21.0.156:
Packets:Sent = 4,Received = 4,Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms,Maximum = 0ms,Average = 0ms
为什么会是从202.207.225.33返回数据呢

答案