CIDR ↔ Subnet Mask Converter
Type a prefix length or a dotted subnet mask — both inputs stay in sync.
| Subnet mask | — | |
| Wildcard mask | — | |
| Total addresses | — | |
| Usable hosts | — |
Full reference (/0 – /32)
| CIDR | Subnet mask | Wildcard mask | Total addresses | Usable hosts |
|---|