IP 地址列表: 253.205.42.* (253.205.42.0 - 253.205.42.254)

這是第壹個字節為253，第二個字節為205，第三個字節為42，第四個字節在0 - 255之間的IP地址列表，表示為253.205.42.* (253.205.42.0 - 253.205.42.255)。

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253.205.42.1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. E類IP地址列表
• 3. 最後一個 IP 地址示例

253.205.42.1是一個保留的IP地址。保留的IP地址段不會在互聯網上使用，因此與廣域網相連的路由器在處理保留IP地址時，只是將該數據包丟棄處理，而不會路由到廣域網上去。從而將保留IP地址產生的數據隔離在局域網內部。更多詳情：253.205.42.1。

E類地址的前4位恒為1111，預置前4位為1意味著E類地址開始於128 + 64 + 32 + 16 = 240。

E類IP地址範圍：240.0.0.0 ~ 255.255.255.255。

E類IPv4地址不區分網絡地址與主機地址。

E類IP地址保留為以後使用，通常用於研究之用。因此Internet上沒有可用的E類地址。

如果您需要了解E類IP地址段詳情，可以點擊E類IP地址列表中的標題鏈接。

• 253.205.42.0
• 253.205.42.1
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• 253.205.42.255

253.205.42.255是一個保留的IP地址。保留的IP地址段不會在互聯網上使用，因此與廣域網相連的路由器在處理保留IP地址時，只是將該數據包丟棄處理，而不會路由到廣域網上去。從而將保留IP地址產生的數據隔離在局域網內部。更多詳情：253.205.42.255。