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IP 地址和子网掩码的 CIDR 写法 - 知乎 CIDR 是一种简化 IP 地址和 子网掩码 表示的方法,通过 “IP地址 网络前缀位数 ” 的格式取代传统的“IP地址 + 子网掩码”组合。
Classless Inter-Domain Routing - Wikipedia CIDR is based on variable-length subnet masking (VLSM), in which network prefixes have variable length (as opposed to the fixed-length prefixing of the previous classful network design)
What is CIDR? - CIDR Blocks and Notation Explained - AWS Classless Inter-Domain Routing (CIDR) allows network routers to route data packets to the respective device based on the indicated subnet Instead of classifying the IP address based on classes, routers retrieve the network and host address as specified by the CIDR suffix
Classless Inter Domain Routing (CIDR) - GeeksforGeeks Classless Inter-Domain Routing (CIDR) is a method of IP address allocation and IP routing that allows for more efficient use of IP addresses CIDR is based on the idea that IP addresses can be allocated and routed based on their network prefix rather than their class, which was the traditional way of IP address allocation