what is an ip address

IP address refers to the Internet Protocol address, which is the number of the device connected to the Internet. Each network and host will have a logical address. When exchanging data, it is used to prevent communication errors on the network.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

We often encounter questions like what is an IP address? So what exactly is an IP address? Let me explain it to you in php Chinese.

1: What is an ip address?

IP address refers to the Internet protocol address, which is the number of the device connected to the Internet. Each network and host will have a logical Address, which is used to prevent communication errors on the network when exchanging data.

2: Basic knowledge of IP address

For example, personal computers and personal mobile phones, as long as they comply with the IP protocol, the Internet can be connected to each other, so the IP protocol is also called Internet Protocol. In computers, each computer has a corresponding IP address. The IP address is a list of numbers. In the current version of IPv4, the IP address is a 32-bit binary number divided into 4 bytes. The most common dots are dots. Decimal means 4 segments.

Three: IP address types

There are two types of IP address types, one is public There is an address (global IP address), and the other is a private address (dedicated IP address). The shared address is directly responsible for the Internet. The IP address applies to the Internet for access. The private address belongs to Unregistered addresses are used by specialized organizations.

Four: The relationship between ip address and domain name

IP address allows communication between hosts, but because it is a sequence of numbers, the domain name is a name that is easy for users to remember ( letters), we can find the IP address through the domain name.

The above is a complete introduction to what an IP address is. If you want to know more about operation and maintenance, please pay attention to the PHP Chinese website.

The above is the detailed content of what is an ip address. For more information, please follow other related articles on the PHP Chinese website!