![]() Imagine that the IP address of that server was: 156.87.234.176 . When the Internet was born there were very few servers and the only way to access them was to know your public IP address . If a person wanted to access a particular resource, it was not worth writing, for example, (mostly because there were no domain names yet), but had to know the IP address of the server where that resource was hosted. What is the relationship between a public IP address and a web domain? If for some reason we need to have a static or fixed IP address for a device, we must contact the ISP and request that they put it manually. Normally these IP addresses are usually rotated by your ISP (internet provider) every time you restart the router or from time to time. These IP addresses are known as dynamic IP addresses. This is because, for example, any home has a network with private IP’s for their devices but it does not mean that your friend’s home network must have different private IP addresses. That is, in each home there is a router and this router assigns private IP addresses to each device that can match the private IP addresses assigned by the router from your friend’s house to their devices. Are you already understanding what an IP address is? What is a public IP address?Ī public IP is the identification assigned by your internet provider to be recognized on the Internet . Just like you, you can’t go outside with the car without a license plate, you can’t go online without a reference or identification. A public IP can never be duplicated , since each Internet connection is unique. Within a private network, private IP’s cannot be duplicated either. But it is possible that, for example, a friend of yours does have a private IP for one of their devices and can match a private IP address you have for a device. The answer is no and yes. Wow, you will be stunned. I explain. There are two types of IP: Public IP and private IP.īoth public and private IP’s are built in four number blocks . Each block is a number from 0 to 255 and is separated by a period (“.”). For example, a public IP address could be 63.45.12.34 and a private IP address, 192.168.0.11 .Ĭan there be equal public or private IP addresses? IP addresses are the numerical names that are assigned to a device as a “license plate” so that it can be called by other devices. There is no device in the world that can communicate with another without having an IP. Above the row of data in the middle, you will see the type of connection, like “Wireless LAN adapter Wi-Fi.” or “Ethernet adapter.IP stands for Internet Protocol. This protocol, like many others such as HTTP, TCP, UDP, etc., is responsible for establishing communications in most of our networks. Even a fridge can have an IP address! Also devices such as a router, a server, a telephone, a computer, a television, etc. What you get will be more than just the IP address: you’ll see the IPv4 address, the IPv6 address if your device supports that, the subnet mask, and your router which is the Default Gateway. Type ipconfig in the returning pop-up box, then return. This works when you click to get the Command Line. Getting an IP location depends on the device, in windows for instance, you use the command search prompt – search for cmd. Summing up the difference between public and private IP addresses, the public IP address enhances global reach and uses a numeric code that no other device reuses, while the private IP address enhances an internal reach and a non-unique code that can be reused by other devices within the private network. This calla for private IP address to enhance direct communication. Within the network, however, there are assorted devices and the router has to assign each device a unique private IP address, to ensure that it can send data to the device that’s actually requesting it. ![]() Operations on a typical network require the router to use a public IP address to identify the user to the rest of the internet this ensures that emails, websites, streaming content, and other data correctly get to the user. Both of them, however, allow devices to communicate with each other. When interacting with the internet, public IP addresses are basically used, while private IP addresses work with a local network.
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