question: How to block specific IP addresses on Linksys routers
answer: 
  Certain streaming services function more reliably if you block specific IP addresses on your router.
  
  This guide will show you how to block specific IP addresses on Linksys routers.
  
  To block specific IP addresses on your Linksys router, you will need to use static routing to ensure your network traffic does not flow through the IPs you specify.
  
  Note: The following steps were tested on the Linksys WRT3200ACM and WRT1900ACS.
  
  Jump to…
  
  1. Sign in to your router admin panel