ipcalc

Install command: 
brew install ipcalc

Calculate various network masks, etc. from a given IP address

https://jodies.de/ipcalc

License: GPL-2.0-or-later

Development: Pull requests

Formula JSON API: /api/formula/ipcalc.json

Formula code: ipcalc.rb on GitHub

Bottle (binary package) installation support provided.

Current versions:

stable ✅ 0.51

Analytics:

Installs (30 days)
ipcalc 262
Installs on Request (30 days)
ipcalc 242
Build Errors (30 days)
ipcalc 0
Installs (90 days)
ipcalc 830
Installs on Request (90 days)
ipcalc 788
Installs (365 days)
ipcalc 4,983
ipcalc --HEAD 8
Installs on Request (365 days)
ipcalc 4,848
ipcalc --HEAD 8