4 ms·My AT&T fiber is blocking 1.1.1.1, too. But 1.0.0.1 is working.by __david__ 9y agoMy AT&T fiber is blocking 1.1.1.1, too. But 1.0.0.1 is working.jmuguy 9y agoSame, ATT Fiber in Charlotte NCjlgaddis 9y agoWhich AT&T modem do you have? I'm seeing this w/ 5268AC, trying to find others that are affected as well.jlgaddis 9y agoIf it's not the 5268AC, please let marty at cloudflare dot com know as well. According to a reply on NANOG, he is interested in knowing about other broken CPE.