CIDR Visualizer

Calculate and visualize CIDR blocks. See IP ranges, subnet masks, and network info at a glance.

Enter CIDR Notation

Quick:

CIDR Quick Reference

CIDRSubnet MaskHosts
/8255.0.0.016M
/16255.255.0.065K
/24255.255.255.0254
/28255.255.255.24014
/30255.255.255.2522
/32255.255.255.2551