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		 tahoe ✅
sequoia ✅
sonoma ✅
ventura ✅
monterey ✅
big sur ✅
macOS on
Intel		 sonoma ✅
ventura ✅
monterey ✅
big sur ✅
catalina ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 2.0

Analytics:

Installs (30 days)
grepcidr 26
Installs on Request (30 days)
grepcidr 22
Build Errors (30 days)
grepcidr 0
Installs (90 days)
grepcidr 104
Installs on Request (90 days)
grepcidr 69
Installs (365 days)
grepcidr 328
Installs on Request (365 days)
grepcidr 220