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如何子網掩碼?

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  • 如何子網掩碼?

Posted By: Alsatary | 1 Replies | Last Reply On: May 25, 2017 06:29:23

如何子網掩碼?

Psychz - Rahul

Votes: 0Posted On: May 25, 2017 06:29:23
 

子網掩碼

子網掩碼用於定義提供給組織的IP地址塊。一個IP地址塊被表示為“abcd / n”。
“/ n”被稱為CIDR符號。

IP範圍的計算 - IP地址之後的“/”符號可用於計算屬於該類別的IP地址範圍。所有你需要做的是從數字32中減去前綴(由於IP地址是32位數)。將結果作為2的指數,您將獲得該範圍內的IP數量。

例如,要找到“/ 29”前綴的IP範圍,我們從32中減去前綴29,結果3用作2的指數。因此,您獲得的IP範圍為“2到電源3”,即8個IP。

使用此方法,您將能夠計算提供給您的任何IP範圍。

有關子網劃分和IP塊分配的更多信息,請參閱我們的文章。

https://www.psychz.net/client/question/en/what-is-a-subnet-in-an-ip-address.html

https://www.psychz.net/client/question/en/what-is-the-block-size-in-subnetting.html

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