| DNOA Member Name: Robert 'Something' Allen Location: Cornwall, UK Join Date: Sep 2005
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| IP tutorial: what are nodes and how do private IP addresses work?
IP tutorial: what are nodes and how do private IP addresses work?
Nodes are a changing part of a IP address, but it is more complex than that.
Here are the public IP ranges and the amount of combinations;
A class: 10.x.x.x (16777216 combinations)
B class: 174.n.x.x (65536 combinations)
C class: 192.n.n.x (256 combinations)*
(* You count the number ‘0’ as a node too!)
They are called private IP addresses because you can use each node as static IP address as part of a intranet, and they cannot be used for
x = Changeable node
n = static IP
10.x.x.x is a class a public IP address range, and here are 5 nodes;
10.0.0.1
10.0.0.2
10.0.0.3
10.0.0.4
10.0.0.5
But it has about 65 million combinations
174.x.x.x is a class b and it only has 2 space IP ranges, so that 174.12.0.1 and 174.0.0.1 are different, but 174.0.1.0 is the same as the last node and the same for 192.x.x.x, but it only has 1 space IP range, so it only has 256 combinations
And each numbers represents a binary '00010101', but they formed like IP addresses to look neater
It would be funny typing this into your browser wouldn’t it?
001100010011000100110001. 001100010011000100110001. 001100010011000100110001. 001100010011000100110001
Translates to;
(111.111.111.111)
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