IP in Subnet Check
Enter the IP to check and a CIDR range, and it instantly determines whether that IP is in the range. All calculations happen inside your browser.
Enter the IP to check and a CIDR range.
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Network address-
Broadcast-
Usable range-
How to use
- Enter the IP to check in dotted notation (e.g. 192.168.0.10).
- Enter the CIDR range in the form e.g. 192.168.0.0/24.
- Click "Check" to see whether it is included and the range details.
Frequently asked questions
What format should I enter?
Enter the IP to check in dotted notation (e.g. 192.168.0.10) and the range in CIDR notation (e.g. 192.168.0.0/24).
Are the network address and broadcast counted as included?
Yes. The check uses the entire range including the first address (network) and last address (broadcast) of the CIDR range.
Are the entered values sent to a server?
No. All calculations happen only inside your browser, and the values are never sent to or stored on any server.