Calculate network subnet, CIDR, broadcast, and host range
See how IP Subnet Calculator stacks up against alternatives:
| Feature | ToolboxPro | ipaddressguide.com |
|---|---|---|
| Supports both IPv4 and IPv6 | ✅ | ⚠️ |
| Calculate subnet, broadcast, host range | ✅ | ⚠️ |
| CIDR notation support | ✅ | ⚠️ |
| Clean, ad-free interface | ✅ | ⚠️ |
| Fully Free / No Signup | ✅ | ⚠️ |
| 100% Privacy (No Upload) | ✅ | ⚠️ |
+ Simple interface
- IPv4 only
- Ads
- No bulk calculation
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