IP CIDR / Subnet Calculator
Fast IPv4 CIDR subnet calculation and analysis. ## Features - Parse CIDR notation (IP/prefix) - Calculate total host count - Calculate usable host addresses - Validate IPv4 octets (0-255) - Validate prefix length (0-32) ## Format - CIDR notation: `IP/PREFIX` (e.g., 192.168.1.0/24) - Prefix range: 0-32 for IPv4 - Octets: 0-255 each ## Returns - Network address - Host count (total) - Usable…
IP CIDR / Subnet Calculator endpoints
| Method | Endpoint | Description |
|---|---|---|
| GET |
calculate-cidr / |
Calculates subnet information from CIDR notation. |
IP CIDR / Subnet Calculator pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
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| PRO | $9 / month | — |
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| ULTRA | $29 / month | — |
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