Netmask to CIDR Converter
Enter a subnet mask like 255.255.255.0 or a CIDR prefix like /24 to instantly convert between the two formats. Get bi-directional netmask to CIDR conversion with wildcard mask, total hosts, and network size details — useful for translating between router configurations and IP address documentation. Use the cidr to ip range calculator to generate an IP address range from a CIDR block for firewall rules, ACLs, or network documentation.
Netmask → CIDR
CIDR → Netmask
Additional Details
Complete Conversion Reference
| CIDR | Netmask | Wildcard | Hosts |
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