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To understand Classful vs Classless IP addresses, we first need to know what IP address classes are in the first place. IP address classes are as follows:
Class Range A 0.0.0.0 to 127.255.255.255 B 128.0.0.0 to 191.255.255.255 C 192.0.0.0 to 223.255.255.255 D 224.0.0.0 to 239.255.255.255 E 240.0.0.0 to 247.255.255.255
An IP address Continue reading Classful vs Classless IP addresses
The are many special types of IP address that we seldom come across as they are only used in special cases. We will go through each of them in the overview below:
1. Limited Broadcast IP address In this type of an IP address all the 32 bits of the IP address are Continue reading Special types of IP addresses
Whenever we connect to the Internet or any other network for that matter, the IP address and its accessability from the outside world differ depending on the type of connection we use. We will take an example of a scenario where we are connected to the internet using a dial up modem and gather useful information about Continue reading Information gathering from your own network
We all know IP addresses to be of the form XX.XX.XX.XX where XX is an octet ranging from 1 to 255 (Although other rules apply as to what the value of XX could be depending on either of the four octets)
However, for users who want to obscure the actual IP address can Continue reading IP Address and URL obscuring
Port numbers are divided into three types. Well known, registered and dynamic
Well Known Ports These range from 0 to 1023 and are well known and defined. For the sake of simplicity UDP and TCP port numbers for the same service are the same. Examples are smtp 25 / tcp Simple Mail Transfer Protocol smtp Continue reading Types of Port Numbers
I have been asked by many people of the best way to get your IP address. Here I demonstrate a few common methods to get your own IP address
IPCONFIG By far the quickest and most common method of getting your IP address on Windows based systems is the ipconfig command which Continue reading How to get your own IP Address |
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