Subnet Calculator (IPv4 Only)

Subnet Calculator calculates a range of possible IPs in a given IP and subnet. Enter IP and subnet in the format shown below.

  • Example IP Address Inputs
    IP & CIDR Netmask: 10.0.0.1/8
    IP & Netmask: 192.168.0.1 255.255.255.240
    IP & Wildcard mask: 172.16.2.1 0.0.1.255

Subnet Calculator Result

Opps! Invalid Data.

Try another valid IP.

About this tool:

IP Subnet Calculator tool divides a given IP Address network into the subnetworks by calculating the useful information like a network address, subnet mask, broadcast address, and host IP Address. You have to enter the IP Address and Subnet Mask, and this tool instantly calculates the required information for your use.