I did call tech support and they were not able to fix the issue. It all came back up a day or so later. But tonight at 11:26 it went out again in the exact same way. When I called tech support they acted like no one had ever had this issue before. But i know my friend had a tech come out to his house last time it happened. This is not a problem on our end. Has Cox recently pushed a software update that could cause some apps to be blocked but not others? Why does Netflix work but HBO Max does not? Why can my chrome cast connect but nothing Alexa enabled can?
So I am having the same issue and can give a bit more info as to what is going on here. About a week ago had this same issue and now it is back tonight.
The reason some things still work is you have no ipv4 connectivity. If you go to https://whatismyipaddress.com/ you will notice that you only have an ipv6 address listed. If you then try to ping 8.8.8.8 (Google's dns ip address) it will fail. If you further attempt to do a tracert 8.8.8.8 it will go a couple hops outside the modem to an ip address that is listed as a carrier grade NAT. Then it just fails past that.
Not sure exactly what is wrong on their end. I know enough about networking to figure out where it is failing but not a ton more. If I had to guess something broke on their NAT setup or something broke on their routing related to IPv4.
I have a case open but was told it would be 24-48 hours. Last time I think it was 8-12 hours before it fixed itself.
The list of stuff that supports ipv6 is low but it includes google youtube and facebook. (Google has a list of more.)
