Innotive
CIDR Calculator
Parse IPv4 CIDR notation: network address, subnet mask, wildcard, usable hosts, first and last IP.
How it works
Enter something like 192.168.1.0/24 to get network, broadcast, and host range.
IPv4 focused with clear labels for netmask and wildcard.
Calculations run locally for quick network planning.
Use this tool to transform text inputs directly in your browser for faster debugging, formatting, and data conversion.
- Network address
- 192.168.1.0
- Broadcast address
- 192.168.1.255
- Subnet mask
- 255.255.255.0
- Wildcard mask
- 0.0.0.255
- Prefix length
- /24
- Total addresses
- 256
- Usable host addresses
- 254
- First host
- 192.168.1.1
- Last host
- 192.168.1.254