IP Subnet Calculator
Enter a CIDR block (e.g. 192.168.1.0/24) to calculate network address, broadcast, host range, subnet mask, and usable host count.
192.168.1.0/24Class CPrivate
- Network Address
- 192.168.1.0
- Broadcast Address
- 192.168.1.255
- First Usable Host
- 192.168.1.1
- Last Usable Host
- 192.168.1.254
- Total Hosts
- 256
- Usable Hosts
- 254
- Subnet Mask
- 255.255.255.0
- Wildcard Mask
- 0.0.0.255
- Binary Mask
- 11111111 11111111 11111111 00000000
- IP (Binary)
- 11000000 10101000 00000001 00000000
Common Subnet Reference
| CIDR | Subnet Mask | Usable Hosts |
|---|---|---|
| /8 | 255.0.0.0 | 16,777,214 |
| /16 | 255.255.0.0 | 65,534 |
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
| /28 | 255.255.255.240 | 14 |
| /29 | 255.255.255.248 | 6 |
| /30 | 255.255.255.252 | 2 |