IP 地址列表: 209.55.45.* (209.55.45.0 - 209.55.45.254)

這是第壹個字節為209，第二個字節為55，第三個字節為45，第四個字節在0 - 255之間的IP地址列表，表示為209.55.45.* (209.55.45.0 - 209.55.45.255)。

這個IP地址列表中包含256個IP地址，我們以其中壹個IP地址209.55.45.1為例，來描述這個IP的屬性：

第一個 IP 地址示例

但這只是其中1個IP地址的例子，並不代表這個列表中所有的IP地址都有同樣的屬性，如果需要了解其它IP和更詳細的IP地址段信息，請點擊下面列表中的標題鏈接。

內容:

• 1. 第一個 IP 地址示例
• 2. C類IP地址列表
• 3. 最後一個 IP 地址示例

209.55.45.1是一個公開IP地址，使用者位於美国 宾夕法尼亚州 費城縣，其用途是數據中心/網絡託管/傳輸，類型是公司/T1。更多詳情：209.55.45.1。

C類IP地址是指：在IP地址的四段號碼（例如：字節1.字節2.字節3.字節4）中，前三段號碼（字節1.字節2.字節3）為網絡號碼，剩下的後壹段號碼（字節4）為本地計算機的號碼。

如果用二進制表示IP地址的話，C類IP地址就由３字節的網絡地址和1字節主機地址組成，網絡地址的最高位必須是'110'。

C類IP地址範圍：192.0.0.0 ~ 223.255.255.255，可用IP地址範圍：192.0.0.1 ~ 223.255.255.254。

C類IP地址中網絡的標識長度為21位，主機標識的長度為8位，C類網絡地址數量較多（2 ^ 21 = 2097152個），適用於小規模的局域網絡，每個網絡最多只能包含254臺計算機（2 ^ 8 - 2 = 254個）。

如果您需要了解C類IP地址段詳情，可以點擊C類IP地址列表中的標題鏈接。

• 209.55.45.0網絡ID號碼，不能分配使用
• 209.55.45.1常用於網關、路由器等網絡設備
• 209.55.45.2
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• 209.55.45.254
• 209.55.45.255網絡廣播地址，不能分配使用

209.55.45.255是一個公開IP地址，使用者位於美国 宾夕法尼亚州 費城縣，其用途是數據中心/網絡託管/傳輸，類型是公司/T1。更多詳情：209.55.45.255。