Here you can find some simple tools that I wrote either for fun or because I wanted to learn how use some specific techniques. Or tools that simple that they don't deserve their own category ;-)
Simple tool to compute an IPv4 netblock covering all IP addresses given on the command line.
For example:
~$ netblock 1.2.3.4 1.2.3.255 1.2.3.0/24 ~$ netblock 192.168.131.12 192.168.137.1 192.168.144.9 192.168.128.0/19Download here: netblock.py (Colorized)
Below are programs that I didn't write but found them useful (although I often don't know who the author is).