CIDR (Classless Inter Domain Routing)It is used in class C networkIt is used in class B networkIt is used in class A networkAll of the above
The Sky Networks - CIDR CIDR (Classless Inter-Domain Routing) notation rather than the common subnet mask 255.x.x.x when configuring addresses and networks. Refer to the CIDR Subnet Table to find the CIDR
![The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation](http://www.tcpipguide.com/free/diagrams/ipcidr.png)
The TCP/IP Guide - IP "Supernetting": Classless Inter-Domain Routing (CIDR) Hierarchical Addressing and Notation
![RFC 4632, Classless Inter-domain Routing (CIDR) : The Internet Address Assignment and Aggregation Plan – Kholed Langsari RFC 4632, Classless Inter-domain Routing (CIDR) : The Internet Address Assignment and Aggregation Plan – Kholed Langsari](https://ikholed.files.wordpress.com/2015/12/screen-shot-2015-12-07-at-10-44-48-am.png?w=640)
RFC 4632, Classless Inter-domain Routing (CIDR) : The Internet Address Assignment and Aggregation Plan – Kholed Langsari
![ip - Routing traffic within the subnet - How to decide CIDR range? - Network Engineering Stack Exchange ip - Routing traffic within the subnet - How to decide CIDR range? - Network Engineering Stack Exchange](https://i.stack.imgur.com/WqfyX.jpg)