CIDR to IP Range Calculator
Calculate subnet details from CIDR notation. Get network address, broadcast, usable host range, and netmask.
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CIDR Quick Reference
| Prefix | Usable Hosts | Typical Use |
|---|---|---|
| /32 | 1 | Single host |
| /31 | 2 | Point-to-point link |
| /30 | 2 | Small WAN link |
| /28 | 14 | Small subnet |
| /27 | 30 | Small LAN |
| /26 | 62 | Medium subnet |
| /24 | 254 | Standard LAN (Class C) |
| /22 | 1,022 | Large LAN |
| /20 | 4,094 | Large campus |
| /16 | 65,534 | Class B equivalent |
| /12 | 1,048,574 | Large enterprise |
| /8 | 16,777,214 | Class A equivalent |