CIDR Calculator
Calculate subnet ranges, network masks, broadcast address, and host count for any IPv4 or IPv6 CIDR block
Your input is processed locally and never sent to our servers.
| Network address | 192.168.1.0 |
| Broadcast address | 192.168.1.255 |
| Subnet mask | 255.255.255.0 |
| First usable host | 192.168.1.1 |
| Last usable host | 192.168.1.254 |
| Total hosts | 256 |
| Usable hosts | 254 |
| CIDR prefix | /24 |
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