Azure  Azure CIDR designer

visual subnet calculator for Azure virtual networks

Enter the network you wish to subnet:

Network Address Mask bits
/

Show columns:

Click below to split and join subnets. If you wish to save this subnetting for later, bookmark this hyperlink.

Subnet address Netmask Range of addresses Useable IPs Hosts Divide Join


NicolGit - build 16 - source code source on GitHub
last update 2026.09.16.github