IP Range Calculator

Calculate IP address ranges and available host addresses. Free online IP range calculator for network planning and subnet design.

IP Range Calculator

Enter subnet mask (255.255.255.0) or CIDR notation (/24)

How to Use IP Range Calculator

This tool calculates the complete IP address range for a given network and subnet mask:

  • Network Address: The network identifier (first address)
  • Host Range: All usable IP addresses in the subnet
  • Broadcast Address: The last address in the subnet
  • Total/Usable Hosts: Number of IP addresses available

Enter a network address and subnet mask or CIDR notation to get the complete IP range.

IP Range Examples

NetworkSubnet MaskCIDRUsable HostsExample Range
192.168.1.0255.255.255.0/24254192.168.1.1 - 192.168.1.254
10.0.0.0255.255.255.192/266210.0.0.1 - 10.0.0.62
172.16.0.0255.255.255.224/2730172.16.0.1 - 172.16.0.30
192.168.1.128255.255.255.128/25126192.168.1.129 - 192.168.1.254