NETWORK / IP ADDRESSING
Subnet
Calculator.
Calculate IPv4 network details from CIDR notation. Get the network, broadcast, subnet mask, wildcard, usable host range and address count.
What is a subnet calculator?
A subnet calculator divides an IPv4 network into address ranges and shows the values engineers need for network planning, firewall rules, routing and infrastructure documentation.
Common CIDR examples
- /24 — 256 total addresses
- /16 — 65,536 total addresses
- /30 — 4 total addresses
- /32 — a single IPv4 address