![]() ![]() Until the 1990’s, IP addresses on the internet were divided into different classes. There is no reliable information on why that range was chosen, but you are free to speculate. However, certain address ranges are reserved for special purposes, like the range from 127.0.0.0 to 127.255.255.255. ICANN is also responsible for the allocation of domain names, or the Domain Name System (DNS). The allocation of public IP addresses (those that can be reached through the internet) is regulated by an international organisation: the Internet Corporation for Assigned Names and Numbers (ICANN). During transmission, the Internet Protocol is responsible for allowing the IP address and subnet mask to address subscribers in a network. However, TCP/IP is also used outside the internet, in local networks. The protocol pair Transmission Control Protocol (TCP) and Internet Protocol (IP) are some of the cornerstones of the internet. Data packets sent via TCP/IP are able to reach the correct destination when this system is used. Each participant in the network has their own address. IP addresses are used within a network to communicate with each other. Localhost has the IP address 127.0.0.1, which refers back to your own server. If you access " in the browser, the request will not be forwarded to the internet through the router, but will instead remain in your own system. When you try to access the domain, a loopback is triggered. localhost is a top-level domain reserved for documentation and testing purposes. “Localhost” is not just the name for the virtual server, but also its domain name. When you are talking about a localhost, you are referring to when a server is used on your own computer.Ĭonversely, this means that the term is only used in the context of networks. within your personal network, which is different to the one you use on the internet, and is usually dynamically assigned by the internet service provider. In most cases, it has a separate IP address like 192.168.0.1. The localhost is not always directly identified with your computer. The first point to make when explaining what a localhost is, is that it is always your own computer: when you call the localhost, your computer is talking to itself.
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