You have to enter the IP Address and Subnet Mask, and this tool instantly calculates. Keywords: subnetting, subnet, calculator, ip, address, cidr, mask, netmask, host, network, converter, calculate, online, ipv4, study, practice, exercises, problems, ipv6, subnet mask. IP Subnet Calculator tool divides a given IPv4 or IPv6 address network into the subnetworks by calculating helpful information like a Netmask, CIDR, Block size, Broadcast address, First IP, and Last IP, Network address, Prefix length, and Cisco wildcard mask. Or you can choose the number of subnets you want. You can choose the number of hosts that can connect to each subnet. You can select the subnet mask that will always be equal or superior to the original network mask. This calculator can also be used to do reverse subnetting where the number of hosts is known but the netmask is not. SUBNET CALCULATION Here you can configure the parameters for subnetting calculation. This is useful when studying and learning how to subnet and example practice networks are needed. Please use the form below to enter an IP address and Subnet Mask, and we'll provide you with necessary information you'll need. An IPv4/IPv6 Calculator/Converter is an IP mask calculator that supports IPv6 alternative and condensed. Subnet Calculator is used to divide an IP network into subnetworks by calculating network address, subnet mask, broadcast address and host IP address range.

The tool also has the ability to create a random IP address which can then be calculated. A IPv6 IP Subnet Calculator maps hierarchical subnets. This free online subnet calculator allows for the input of a netmask, a Cisco wildcard mask or /CIDR notation. This allows for using keyword searches in Firefox.ĭ users can enjoy the !subnet bang command which makes use of this tool. It is possible to add the IP address to the URL to go directly to that IP and calculate it.

Subnet mask calculator