IP Address Calculator
Subnet, CIDR, and network analysis tools — instant results, no server required.
IP / CIDR Input
Try:
192.168.1.0/24
10.0.0.0/8
172.16.0.0/12
203.0.113.50/28
100.64.0.0/10
Network Summary
Mask Details
Subnet Subdivision
Split the current network into smaller subnets by selecting a new prefix length.
CIDR to Subnet Mask Reference Table
| CIDR | Subnet Mask | Wildcard Mask | Total Hosts | Usable Hosts |
|---|