电脑网速运行不正常 高手进来帮帮忙

电脑刚刚开机 PING 了下新浪 TIME这么高 是什么问题啊？？？

C:\Documents and Settings\hero>ping www.sina.com

Pinging jupiter.sina.com.cn [61.172.201.194] with 32 bytes of data:

Reply from 61.172.201.194: bytes=32 time=607ms TTL=247
Reply from 61.172.201.194: bytes=32 time=749ms TTL=247
Reply from 61.172.201.194: bytes=32 time=750ms TTL=247
Reply from 61.172.201.194: bytes=32 time=437ms TTL=247

Ping statistics for 61.172.201.194:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 437ms, Maximum = 750ms, Average = 635ms

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