October 28, 2021

What is a subnet mask?

What is a network? 

A network is 2, or more devices (computers, IoT, mobiles, etc.) connected to each other for the purpose of exchanging data electronically. 

What is a subnet mask? 

The subnet mask is a separator that defines which part of the IP address is dedicated to the hosts (connected devices) and which part is dedicated to the network address. The subnet mask gives us the size of the network that we are working with. 

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What is ICANN?

ICANN is short of Internet Corporation for Assigned Names and Numbers. It is a non-profit organization that manages and maintains different databases related to namespaces and number spaces on the Internet.

In really short: ICANN coordinates the use of domain names and IP addresses so that the Internet, as we know it, can function without conflicts. Thanks to it, you can’t have two people who have the same domain name or two computers with the same IP address.

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