This is for a niche problem I was having, on the app's page I've tried to make it simple and clear why it's useful, otherwise I've tried to explain in a blog post [1]. Github repo [2].<p>[1] <a href="https://matthewkindzerske.com/2021/01/26/subnet-cidr-coverage-calculator/" rel="nofollow">https://matthewkindzerske.com/2021/01/26/subnet-cidr-coverag...</a><p>[2] <a href="https://github.com/yamori/cidrizer" rel="nofollow">https://github.com/yamori/cidrizer</a>