Subnet Calculator
Calculate network addresses, broadcast addresses, and usable IP ranges from any IP address and subnet mask. Supports CIDR notation. Essential tool for network administrators and IT professionals. All calculations happen locally in your browser.
Enter IP Address
/
Subnet InformationClass CPrivate
Class C
Private
192.168.1.0
192.168.1.255
192.168.1.1
192.168.1.254
Subnet Mask255.255.255.0
Wildcard Mask0.0.0.255
Total Addresses256
Usable Hosts254
IP Range: 192.168.1.0/24
Hosts: 192.168.1.1 - 192.168.1.254
Common Subnet Masks
| CIDR / Prefix | Subnet Mask | Usable Hosts | |
|---|---|---|---|
| /8 | 255.0.0.0 | 16,777,214 | |
| /16 | 255.255.0.0 | 65,534 | |
| /24 | 255.255.255.0 | 254 | |
| /25 | 255.255.255.128 | 126 | |
| /26 | 255.255.255.192 | 62 | |
| /27 | 255.255.255.224 | 30 | |
| /28 | 255.255.255.240 | 14 | |
| /29 | 255.255.255.248 | 6 | |
| /30 | 255.255.255.252 | 2 |