![]() ![]() The first value is a zero and rotating around it reaches 255 before starting again from zero. The cylinders spin around and after a full cycle they start again from the same initial number. An example of IP address in dotted notation is 199.234.8.78 where each number is an octet.Ī simple way to imagine the IP addresses is thinking of them as they were the numbers of an old fashioned odometer. Each octet, being composed by 8 bits, can cover the decimal range 0-255. An octet is a group of 8 bits, and the different octets are separated by dots. To simplify the use of the IP addresses, the binary number is often split in 4 octets. If the addressing space wasn’t hierarchically organized, it would be possible to connect around 4.3 billions network devices. It’s a 32 bits number that converted in decimal covers the range 0-4.294.967.296 (i.e. An IP address is a unique identifier for a device connected to a network. ![]()
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