Comcast used to issue me an IPv6 block but silently stopped at some point. Others reported the same problem. Thankfully everything I use still supports IPv4 so

Comcast used to issue me an IPv6 block but silently stopped at some point. Others reported the same problem. Thankfully everything I use still supports IPv4 so I didn't notice until I went looking. One day it'll be worth my time to figure out the problem, but I predict that day is far in the future.