What do the four numbers in an IP address mean?
IPv4 addresses are usually represented in dot-decimal notation, consisting of four decimal numbers, each ranging from 0 to 255, separated by dots, e.g., 172.16. 254.1. Each part represents a group of 8 bits (an octet) of the address.
What are the numbers in IP address?
The IP address is a 32-bit number that uniquely identifies a network interface on a machine. An IP address is typically written in decimal digits, formatted as four 8-bit fields separated by periods. Each 8-bit field represents a byte of the IP address.
Why IP address is divided into 4 parts?
To put in briefly, an IPv4 address is made up of an octet that represents your network provider and your device ID. The reason for dividing it into four sections is to identify the Class of the network.
What does an IP address consist of?
An IP address consists of two parts, one identifying the network and one identifying the node, or host. The Class of the address determines which part belongs to the network address and which part belongs to the node address. All nodes on a given network share the same network prefix but must have a unique host number.
What is IP address explain with example?
An IP address is a string of numbers separated by periods. IP addresses are expressed as a set of four numbers — an example address might be 192.158. 1.38. Each number in the set can range from 0 to 255. So, the full IP addressing range goes from 0.0.
Can 2 devices share the same IP address?
The Question As I understand it, two computers cannot have the same public (external) IP address unless they are connected via the same router. If they are connected via the same router, then they can have (share) the same public IP address yet have different private (local) IP addresses.
Can someone hack you if they know your IP address?
While there are some risks, your IP address alone poses very limited danger to you or your network. Your IP address can’t be used to reveal your identity or specific location, nor can it be used to hack into or remotely take control of your computer.
Do phones have IP addresses?
Your phones do not have IP addresses built-in. It has to get one from a DHCP server as soon as your phone is connect to a wifi access point, or a wifi router, or your carrier using mobile data.
Why does my phone have 3 IP addresses?
Having 3 IP addresses means that your system can be communicated with using three different IP addresses, and most likely means you have WiFi turned on and an Ethernet cable plugged in. One will be the loop back address (127.0. 0.1) and that is only useful on the system itself.
Does IP address change with new phone?
Every device on the Internet has two IP addresses: a public and a private one. In your home, your router uses your public IP address—assigned by your ISP—to connect to the Internet. Your mobile devices also have public and private IP addresses. But they’re constantly changing, and therefore, pretty much meaningless.
Does Phone IP address change with location?
Same thing happens when you travel. As you move from the airport to your hotel to the local coffee house, your IP address will change each and every time. It all happens thanks to the intelligent design behind the Internet, wireless networks and all those Internet Protocols your computer uses.
What can a hacker do with an IP address?
There are thousands of ports for every IP address, and a hacker who has your IP can try all of those ports to brute-force a connection, taking over your phone for example and stealing your information. If a criminal does get access to your device, they could also install malware on it, which could expose your IP.