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Free TCP/IP Network Calculators. Includes web-based Subnet, Supernet and network / node calculators.

Free subnet mask IP calulators including a network/node calculator, IP address converter, subnet mask converter and a subnet mask inverter

The most user-friendly IPv4/IPv6 subnet calculator.

IP Calculator. 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 supernets. It is also intended to be a teaching tool and presents the subnetting results as easy-to-understand binary values.

IP Subnet Calculator . 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 required hosts per subnet. Results of the subnet calculation provide the hexadecimal IP address, the wildcard mask, for use with ACL (Access Control Lists), subnet ID, broadcast address, the subnet

Subnet Calculator. An IP subnet mask calculator is used to automatically calculate subnets. The calculator allows you to input an IP address and choose the Subnet Mask, Network class and other variables to calculate subnet network mask.

Subnet mask calculator With subnet mask you can split your network into subnets. Enter your IP address and play with the second …

Subnet Ninja is a powerful IP Subnet Calculator that support IPv4 and IPv6 address

This free online IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network address, subnet mask, IP range, and more. Also, explore hundreds of other math, financial, fitness, and health calculators.