Saturday, June 13, 2020

Simple subnet calculation tool

There are many subnet calculators out there, but I've not found one specifically combining the details I'm regularly doing in my head, so I finally sat down and wrote this little thing.

https://ip.iceborn.ca

You can go directly to a network by appending the ip/CIDR mask, ie:

https://ip.iceborn.ca/8.8.8.8/24

The tool provides the network and broadcast addresses of the current network, along with usable addresses. There is a binary representation of the address and netmask. You can also quickly browse adjacent networks. This works well for my use case, hopefully it's handy to someone else. Code is open and MIT licensed, you can see that and provide feedback or bugs by clicking the Feedback link on the page.



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