191.68.21开头的IP是哪里的IP,IP地址列表: 191.68.21.* (191.68.21.0 - 191.68.21.254)
这是第一个字节为191,第二个字节为68,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191.68.21.* (191.68.21.0 - 191.68.21.255)。
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191.68.21.1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
191.68.21.1是一个公开IP地址,使用者位于哥伦比亚 波哥大 Bogota, D.C.,其用途是固定电话互联网服务提供商/手机互联网服务提供商,类型是宽带/电缆/光纤。更多详情:191.68.21.1。
🔝 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
191.68.21.255是一个公开IP地址,使用者位于哥伦比亚 波哥大 Bogota, D.C.,其用途是固定电话互联网服务提供商/手机互联网服务提供商,类型是宽带/电缆/光纤。更多详情:191.68.21.255。
🔝 返回顶部