Subnet Calculator


Subnet Calculator is used to divide an IP network into subnetworks by calculating network address, subnet mask, broadcast address and host IP address range. Please use the form below to enter an IP address and Subnet Mask, and we'll provide you with necessary information you'll need.

Enter a IPv4 or IPv6 and CIDR (IP/CIDR):

Example IPv4 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

Example IPv6 Address Inputs
IP & CIDR Netmask: 2607:fb90:30de:5017::/64
*Note: Wildcard mask is inverse of subnet mask.

Subnet Results

Here is the subnet calculator results for 34.204.169.230/24.

IP Address34.204.169.230
Subnet Mask255.255.255.0
Binary Subnet Mask11111111111111111111111100000000
CIDR Subnet Mask/24
Wildcard Mask0.0.0.255
IP ClassA (0.0.0.0 - 127.255.255.255)
Network Address34.204.169.0
Broadcast Address34.204.169.255
Host Address Range34.204.169.1 - 34.204.169.254
# of Usable Hosts254



What is a subnet calculator?

A subnet, or subnetwork, is a smaller network that is created within a larger network. Subnetting is a technique used to divide a large network into smaller, more manageable subnets. Subnets are created by dividing a larger network into smaller networks using a subnet mask. The subnet mask is a binary code that determines which portion of the IP address represents the network address and which portion represents the host address. This allows the network administrator to specify the number of bits used for the network address and the number of bits used for the host address.

A subnet calculator is a tool used to determine the subnet mask, network address, broadcast address, and other parameters of a subnet. It is used to divide a large network into smaller, more manageable subnets.

A subnet calculator takes an IP address and a subnet mask as input and performs various calculations to determine the parameters of the subnet. It can also be used to determine the number of subnets that can be created from a given network and the number of addresses available in each subnet.

The subnet calculator is an essential tool for network administrators as it helps them to design and manage large networks effectively. By dividing the network into smaller subnets, administrators can improve network security, reduce network congestion, and simplify network management.


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