138.21.61开头的IP是哪里的IP,IP地址列表: 138.21.61.* (138.21.61.0 - 138.21.61.254)
这是第一个字节为138,第二个字节为21,第三个字节为61,第四个字节在0 - 255之间的IP地址列表,表示为138.21.61.* (138.21.61.0 - 138.21.61.255)。
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138.21.61.1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。
![IP地址:138.21.61 数据结构图 二进制 十进制 十六进制 IPv4: 138.21.61 网络类型 网络号 主机号](/ipv4-structure/138.21.61.png)
内容:
1. 第一个IP地址例子
![IP:138.21.61](/picture/138.21.61.png)
138.21.61.1是一个公开IP地址,使用者位于法国 法兰西岛 Villiers-Saint-Frédéric,其用途是商业,类型是公司/T1。更多详情:138.21.61.1。
🔝 返回顶部2. B类IP地址列表
B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,前两段号码(字节1.字节2)为网络号码,剩下的后两段号码(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,B类IP地址就由2字节的网络地址和2字节主机地址组成,网络地址的最高位必须是'10'。 B类IP地址范围:128.0.0.0 ~ 191.255.255.255,可用IP地址范围:128.0.0.1 ~ 191.255.255.254。 B类IP地址中网络的标识长度为14位,主机标识的长度为16位,B类网络地址适用于中等规模的网络(2 ^ 14 = 16384个),每个网络所能容纳6万多台计算机(2 ^ 16 - 2 = 65534个)。 如果您需要了解B类IP段更详细的IP地址段信息,请点击B类IP地址列表中的标题链接。
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3. 最后一个IP地址例子
![IP:138.21.61.255](/picture/138.21.61.255.png)
138.21.61.255是一个公开IP地址,使用者位于法国 法兰西岛 Villiers-Saint-Frédéric,其用途是商业,类型是公司/T1。更多详情:138.21.61.255。
🔝 返回顶部