0.103.121开头的IP是哪里的IP,IP地址列表: 0.103.121.* (0.103.121.0 - 0.103.121.254)

这是第一个字节为0，第二个字节为103，第三个字节为121，第四个字节在0 - 255之间的IP地址列表，表示为0.103.121.* (0.103.121.0 - 0.103.121.255)。

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0.103.121.1为例，来描述这个IP的属性：

第一个IP地址例子

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。

内容:

• 1. 第一个IP地址例子
• 2. A类IP地址列表
• 3. 最后一个IP地址例子

0.103.121.1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：0.103.121.1。

A类IP地址是指：在IP地址的四段号码（例如：字节1.字节2.字节3.字节4）中，第一段号码（字节1）为网络号码，剩下的后三段号码（字节2.字节3.字节4）为本地计算机的号码。

如果用二进制表示IP地址的话，A类IP地址就由1字节的网络地址和3字节主机地址组成，网络地址的最高位必须是'0'。

A类IP地址范围：1.0.0.0 ~ 127.255.255.255，可用IP地址范围：1.0.0.1 ~ 127.255.255.254。

A类IP地址中网络的标识长度为7位，主机标识的长度为24位，A类网络地址数量较少（2 ^ 7 - 2 = 126个），可以用于容纳1600多万计算机的大型网络（2 ^ 24 - 2 = 16777214个）。

如果您需要了解A类IP段更详细的IP地址信息，请点击A类IP地址列表中的标题链接。

• 0.103.121.0
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0.103.121.255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：0.103.121.255。