You may enter the subnet mask in either dotted decimal notation or in CIDR format as a number of bits, such as /28 or /24.
| Component | Decimal Dot Notation | 8 Bit Binary Notation |
|---|---|---|
| IP | ... | |
| Subnet Mask | ... | |
| Network Address | ... | |
| Broadcast Address | ... | |
| First Useable IP | ... | |
| Last Useable IP | ... | |
The WebGnuru Subnet Calculator is available for download at SourceForge.
The WebGnuru Subnet Calculator is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Please see the README file for full licensing disclosure.