IP and Subnet Calculator Tool
A free online IP subnet calculator and toolset. Calculate subnet details, list subnet ranges, and find network information from a broadcast IP.
IP Subnet Calculator
Input an IP address and its subnet mask to see all network details.
Subnet Range Lister
Input a base network and a new CIDR prefix to list all possible subnet ranges.
Broadcast to Network Calculator
Input a broadcast IP and its subnet mask to find the network details.