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IP, Location, System Details
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Every device connected to the public Internet is assigned a unique number known as an Internet Protocol (IP) address. IP addresses consist of four numbers separated by periods (also called a ‘dotted-quad’) and look something like 127.0.0.1.
Since these numbers are usually assigned to Internet Service providers within region-based blocks, an IP address can often be used to identify the region or country from which a computer is connecting to the Internet. An IP address can sometimes be used to show the user’s general location.
Because the numbers may be too long to deal with, an IP address may also be assigned to a Host name, which is sometimes easier to remember. Hostnames may be looked up to find IP addresses and vice-versa. The Internet Service Providers used to issue one IP address to each user. These are called Static IP addresses. Because there is a limited number of IP addresses and with increased usage of the ISPs, they now issue Dynamic IP addresses. This also limits the ability of the user to host websites, mail servers, ftp servers, etc. In addition to users connecting to the Internet, with virtual hosting, a single machine can act like multiple machines (with multiple domain names and IP addresses).
