Enter an IPv4 CIDR block to see network address, broadcast, usable host range, and subnet mask.
| Network address | 192.168.1.0 | |
| Broadcast address | 192.168.1.255 | |
| First host | 192.168.1.1 | |
| Last host | 192.168.1.254 | |
| Subnet mask | 255.255.255.0 | |
| Wildcard mask | 0.0.0.255 | |
| Prefix length | /24 | |
| Usable hosts | 254 | |
| Binary mask | 11111111.11111111.11111111.00000000 |
Enter an IPv4 CIDR block to see network address, broadcast, usable host range, and subnet mask.
It is built for fast troubleshooting and day-to-day developer work, so you can paste input, inspect the result, and move on without extra setup.
Enter an IPv4 CIDR block to see network address, broadcast, usable host range, and subnet mask.
Enter or paste your values into the fields or input areas above. Adjust the available settings until the result matches the exact output you need. Use the live result, copy the output, or compare multiple scenarios as you work.
CIDR Subnet Calculator is free to use, and the work happens directly in your browser so you can try inputs and options without sending data to a remote server.
CIDR Subnet Calculator is useful for anyone who wants a fast browser-based utility without unnecessary setup or uploads.