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All toolsCIDR Subnet Calculator
Calculate network, broadcast, mask, and host range for any CIDR.
CIDR
Network: 192.168.1.0 Broadcast: 192.168.1.255 Netmask: 255.255.255.0 Wildcard: 0.0.0.255 First host: 192.168.1.1 Last host: 192.168.1.254 Total IPs: 256 Usable: 254
Frequently asked questions
- Is CIDR Subnet Calculator free to use?
- Yes. CIDR Subnet Calculator is part of TULAKITO's collection of free browser tools. No signup, no subscription, no usage limits.
- Is my data safe with CIDR Subnet Calculator?
- Yes. CIDR Subnet Calculator runs entirely in your browser. Nothing you type, paste, or upload is sent to any server.
- Do I need to install anything?
- No. CIDR Subnet Calculator works directly in your browser on desktop and mobile — no downloads or extensions required.