MTR (Matt's/My TraceRoute) - usage and practice
   https://medium.com/@xakrume/mtr-basic-usage-649cabf37f40
   https://www.pcwdld.com/what-is-mtr-and-howto-troubleshoot-connections/
1. Download and Install Homebrew from the Mac Terminal
   xcode-select install
   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
  
2. Install mtr (using Homebrew) from the Mac Terminal 
   /opt/homebrew/bin/brew install mtr 
  
3. Using mtr  
   Man page for mtr
   man mtr
   (to quit type q or ctrl+c)
   sudo /opt/homebrew/sbin/mtr --aslookup --show-ips dns.google
   sudo /opt/homebrew/sbin/mtr --aslookup --show-ips 8.8.8.8
   sudo /opt/homebrew/sbin/mtr --aslookup --show-ips 2001:4860:4860::8888
  
  
 
    sam.wormley@icloud.com