grepcidr

Install command: 
brew install grepcidr

Filter IP addresses matching IPv4 CIDR/network specification

https://www.pc-tools.net/unix/grepcidr/

License: GPL-2.0-or-later

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

Formula code: grepcidr.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 sequoia ✅
sonoma ✅
ventura ✅
monterey ✅
big sur ✅
macOS on
Intel		 sonoma ✅
ventura ✅
monterey ✅
big sur ✅
catalina ✅
mojave ✅
high sierra ✅
sierra ✅
el capitan ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 2.0

Analytics:

Installs (30 days)
grepcidr 43
Installs on Request (30 days)
grepcidr 26
Build Errors (30 days)
grepcidr 0
Installs (90 days)
grepcidr 91
Installs on Request (90 days)
grepcidr 57
Installs (365 days)
grepcidr 324
Installs on Request (365 days)
grepcidr 219