>>785さん、有難う御座います。
　
Reply from 211.14.15.5: bytes=32 time=392ms TTL=237
Reply from 211.14.15.5: bytes=32 time=397ms TTL=237
Reply from 211.14.15.5: bytes=32 time=404ms TTL=237
Reply from 211.14.15.5: bytes=32 time=424ms TTL=237

Ping statistics for 211.14.15.5:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 392ms, Maximum = 424ms, Average = 404ms

ロスは無いみたいなので(サンプルはyahooですけど)
やっぱり単純に込んでいるだけってことなんですね。