Subnet Calculator
Enter an IP in CIDR notation. We'll compute the network, broadcast, host range, mask, and binary representation — instantly, offline.
254
Usable hosts
256
Total addresses
/24
Prefix length
8 bits
Host bits
| Property | Value | |
|---|---|---|
| Network | 192.168.0.0 | |
| Broadcast | 192.168.0.255 | |
| Netmask | 255.255.255.0 | |
| Wildcard mask | 0.0.0.255 | |
| First host | 192.168.0.1 | |
| Last host | 192.168.0.254 | |
| Binary mask | 11111111.11111111.11111111.00000000 |
Split into 2 × /25 subnets
192.168.0.0/25
192.168.0.0 – 192.168.0.127
192.168.0.128/25
192.168.0.128 – 192.168.0.255