Using Bash to Sort IPs by Subnet Uniqueness

This is a helpful Bash script to parse IP addresses by the uniqueness of their subnets. This can be quite helpful in various scenarios.

Binary, IPv4, and Subnets

The IPv4 protocol which we broadly (but not totally) use today rests on an addressing system that was designed in the 1970s and formally published in 1980.

The Etymology of 'Deadline'

The word 'deadline' has a popular etymology story around 19th century prison culture. The explanation of the meaning behind the word 'deadline' often goes something like this — as many etymologists and US dictionaries frequently cite it: