🌐 IP Subnet Calculator
Calculate subnet details from an IP address and CIDR prefix. Get network address, broadcast, host range, and subnet mask.
Common CIDR Prefixes
| /32 | 255.255.255.255 | 1 host | Loopback/Host |
| /30 | 255.255.255.252 | 2 hosts | Point-to-point |
| /29 | 255.255.255.248 | 6 hosts | Small LAN |
| /28 | 255.255.255.240 | 14 hosts | Small office |
| /24 | 255.255.255.0 | 254 hosts | Class C network |
| /16 | 255.255.0.0 | 65,534 hosts | Class B network |
| /8 | 255.0.0.0 | 16,777,214 hosts | Class A network |