Cox Communications: Cox is throttling Xbox Live and Twitch

I Googled cox internet throttling and Cox forum staff repeatedly posted that Cox doesn't throttle internet traffic. Cox however may be running a very oversubscribed and congested network given the very many negative posts about poor network throughput all
over the USA where they have service.

Sadly if the ISP that you use has bad infrastructure that they aren't prepared to fix then there is nothing you can do but select a different provider if available. Maybe you and other tenants in your building should attempt to convince your landlord that
a different internet provider is required given the substandard service that Cox appears to be providing.

Per a Cox message board (last message currently on page 2 they are looking into it, as it sounds like it's an issue with Cox connecting the anything Microsoft:

www.dslreports.com/.../r26324348-xbox-live-over-cox-is-down

Admin & password seem to work for Cox communications

just got off the phone with xbox live support. said this is an issue effecting some people. techs are looking into but there is no eta for when things will be working fully again. I also use cox. it might be a cox/xbox thing

Are you on Cox cable? I've seen this complaint before specifically from Cox users.