VueJS Subnet Calculator

Specifically, this is a CIDR (Classless Inter-Domain Routing) subnet calculator. By using CIDR, organizations can make more flexible use of their available IP address space. Thanks to NAT or Network Address Translation and CIDR, IP version 4 will be in use for a long time to come. The subnet calculator accepts an IP address as well as a subnet mask. From these two inputs, the application dynamically calculates the Network Address, the First Host, the Last Host, the Broadcast Address, the Total Hosts, and more.

Online Subnet Calculator

IP Address
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Subnet Mask
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Network Address - Binary IP Address Anded to Binary Mask
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Subnet Mask Bit Length: /{{ subnetmaskbitlength }}
Total Network Hosts: {{ availablehosts }}
Network Address: {{networkaddress}}
First Host: {{firsthost}}
Last Host: {{lasthost}}
Broadcast Address: {{broadcastaddress}}
Wildcard Mask: {{wildcardmask}}

How Does It Work?

The first thing we notice is that we are provided with a default IP address and subnet mask of 192.168.1.1. and 255.255.255.0. Both the IP address and subnet mask are provided in dotted decimal notation, as well as 32 bit binary numbers. This calculator helps us to convert decimal to binary, then calculate more information about our network. You might notice this particular IP adddress, as it is the default IP address of most Linksys small office home office routers. Your own home network probably uses an IP scheme similar to this. As we can see from the application, 192.168.1.1 is the first available host on the 192.168.1.0 network. There are 254 network hosts available, which means you could connect that many Internet Protocol devices to your local network. Most times this is a computer, such as a laptop computer or maybe an iPad. It may also be your smart TV or a smart thermostat. Each device *must* have a unique IP address on a given subnet. Here, our application tells you the IP addresses that are available to use. With 192.168.1.1. and 255.255.255.0 as the defaults, we can use any IP address between 192.168.1.1 and 192.168.1.254 on our network. Lastly, our application tells us what the broadcast address and wildcard mask are for our network.

Why is this subnet calculator better than others available online?

Thanks to VueJS, anything you touch in this application updates immediately. The reactive rendering is super fast, and it is a joy to use. With other subnet calculators, you need to meticulously fill out all of the fields, then manually click an update button. Who needs that?!
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