ipinfo

Install command: 
brew install ipinfo

Tool for calculation of IP networks

https://kyberdigi.cz/projects/ipinfo/

/api/formula/ipinfo.json (JSON API)

Formula code on GitHub

Bottle (binary package) installation support provided for macOS releases:

Intel big sur ✅
catalina ✅
mojave ✅
high sierra ✅
sierra ✅
el capitan ✅
yosemite ✅
Apple Silicon big sur ✅

Current versions:

stable ✅ 1.2

Analytics:

Installs (30 days)
ipinfo 38
Installs on Request (30 days)
ipinfo 38
Build Errors (30 days)
ipinfo 0
Installs (90 days)
ipinfo 87
Installs on Request (90 days)
ipinfo 87
Installs (365 days)
ipinfo 324
Installs on Request (365 days)
ipinfo 323
Fork me on GitHub