whatroute

Install command: 
brew install --cask whatroute

Name: WhatRoute

Network diagnostic utility

https://www.whatroute.net/

Cask JSON API: /api/cask/whatroute.json

Cask code: whatroute.rb on GitHub

Current version: 2.7.1

Current version requires: macOS >= 10.13

Analytics:

Installs (30 days)
whatroute 7
Installs (90 days)
whatroute 27
Installs (365 days)
whatroute 128
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