CIDR

IP Addressing

Term Overview

Term CIDR

Category IP Addressing

Related Terms 4

Definition

Classless Inter-Domain Routing. A method of allocating IP addresses using variable-length subnet masking (e.g., 10.0.0.0/8) instead of fixed classful boundaries, enabling more efficient use of the IPv4 address space.

IP Addressing

Related Terms

Subnet Mask IPv4 Private IP Address Public IP Address

More in IP Addressing

Anycast Broadcast DHCP Dynamic IP IPv4 IPv6 Loopback Address Multicast