240.57.21开头的IP是哪里的IP,IP地址列表: 240.57.21.* (240.57.21.0 - 240.57.21.254)
这是第一个字节为240,第二个字节为57,第三个字节为21,第四个字节在0 - 255之间的IP地址列表,表示为240.57.21.* (240.57.21.0 - 240.57.21.255)。
这个IP地址列表中包含256个IP地址,我们以其中一个IP地址240.57.21.1为例,来描述这个IP的属性:
但这只是其中1个IP地址的例子,并不代表这个列表中所有的IP地址都有同样的属性,如果需要了解其它IP和更详细的IP地址段信息,请点击下面列表中的标题链接。
关于IP地址2进制、10进制、16进制的说明 关于网络号、主机号及A/B/C/D/E类IP的说明内容:
1. 第一个IP地址例子
图标/图像含义表
240.57.21.1是一个保留的IP地址。保留的IP地址段不会在互联网上使用,因此与广域网相连的路由器在处理保留IP地址时,只是将该数据包丢弃处理,而不会路由到广域网上去。从而将保留IP地址产生的数据隔离在局域网内部。更多详情:240.57.21.1。
🔝 返回顶部2. E类IP地址列表
E类地址的前4位恒为1111,预置前4位为1意味着E类地址开始于128 + 64 + 32 + 16 = 240。 E类IP地址范围:240.0.0.0 ~ 255.255.255.255。 E类IPv4地址不区分网络地址与主机地址。 E类IP地址保留为以后使用,通常用于研究之用。因此Internet上没有可用的E类地址。 如果您需要了解E类IP地址段详情,可以点击E类IP地址列表中的标题链接。
- 240.57.21.0
- 240.57.21.1
- 240.57.21.2
- 240.57.21.3
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- 240.57.21.254
- 240.57.21.255
3. 最后一个IP地址例子
图标/图像含义表
240.57.21.255是一个保留的IP地址。保留的IP地址段不会在互联网上使用,因此与广域网相连的路由器在处理保留IP地址时,只是将该数据包丢弃处理,而不会路由到广域网上去。从而将保留IP地址产生的数据隔离在局域网内部。更多详情:240.57.21.255。
🔝 返回顶部