This IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network address, subnet mask, IP range, and more.

The IP Subnet Mask Calculator enables subnet network calculations using network class, IP address, subnet mask, subnet bits, mask bits, maximum required IP subnets and maximum …

ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. By giving a second netmask, you can design subnets and …

Use this online subnet calculator to quickly calculate the network details for an IP address or CIDR range. We also have a REST API for use in your projects!

Our subnet calculator processes complex CIDR calculations in milliseconds. Input any IP address and subnet mask to instantly get network address, broadcast address, usable IP range, and …

This free online subnet calculator can be used to calculate subnet information based on an IP address and a subnet mask. You can easily calculate adjacent subnets, and with the …

The subnet calculator lets you enter a subnet range (CIDR) and see IP address information about that range You can type your range directly in CIDR notation, or use the optional Mask pull-down:

This IP calculator takes the IP address and netmask and calculates broadcast, network, Cisco wildcard, etc. You can use it for IPv4 and IPv6 networks.

Calculate subnet mask, network address, broadcast address, and usable host range from any IP address and CIDR notation.

Oct 4, 2025 · Calculate IP address ranges, subnet masks, network & broadcast addresses instantly. Our free subnet calculator supports IPv4/IPv6, CIDR notation, and subnet division.