Free Tool Β· Client-Side Only

CIDR Subnet
Calculator.

Calculate network address, broadcast, host range, usable hosts, and subnet masks from any CIDR block. Instant results, no setup.

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CIDR Calculator

Common ranges
AquilaX Platform

Detect overly permissive
network rules.

AquilaX scans IaC, Kubernetes, and cloud configs for overly broad CIDR rules (0.0.0.0/0), exposed ports, and network segmentation issues.