CIDR stands for Classless Inter-Domain Routing.
CIDR is an acronym for Classless Inter-Domain Routing, and it is considered a method for allocating IP addresses and for routing.
It was in 1993 that CIDR was introduced by the Internet Engineering Task Force, and since then this method has been used to replace the previous architecture that addressed networks.
Its main function was to slow down the growth of the tables that contained the routings of the routers in the network. In this way, it was possible to help slow down how quickly IPv4 addresses were reaching.
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