network address and host address

The network address and host address are the logical address of the nodes on the Internet in the network.

The Internet is composed of interconnected hosts and routers with LAN. Each device has a physical address connected to a network with a MAC layer address, each node has a logical network address. Because a network address can be assigned to any network device logically, it is also called a logical address.

The network address can be divided into two parts: the network number and the host number, which are used to identify the network and the equipment in the network. Using different network layer protocols, the description of network address is different. IP protocol uses 32 bit binary to represent network address, which is generally called IP address. The MAC address is used for network communication, and the network address is the logical address used to determine the location of the network device.

IP address is a unique identifier for each host or device used in the TCP/IP network address, IP address by 32 (a total of four eight byte binary form). The IP address is divided into two parts, the left part of the network number used to identify the host network; the right part is used to identify the host itself, this part is called the host address. Hosts connected to the same network must have the same network number.

Very important host address: and