IPv4 theoretical Knowledge 3-level two addressing of classification and addressing

Level Two preparation

When classification is addressed, all addresses in the same network belong to a uniform block of addresses, and each address block contains two parts: the network identity and the host identity. The network identity indicates the network, and the host identity indicates a specific host that is connected to the network. If a IPv4 address is depicted in the classification addressing

Extract address number, first address, end address

An address block is an address, if given an address block of any one of the IPv4 address, how to obtain the address of the IP address block address number, the first address, the end address. The following methods can be used to find out

IPv4 theoretical Knowledge 3-level two addressing of classification and addressing