Geolocation issues
As I was getting ready to leave for a summer vacation, an emergency call came from our service desk: “The Internet is in Chinese!” After a few back and forth questions, and a little bit of investigation, I determined that Google had suddenly marked an entire /44 prefix as being geolocated in Hong Kong. When connecting to https://www.google.com/, everyone was automatically redirected to https://www.google.com.hk/. This only affected the IPv6 block. The corresponding IPv4 block was not affected. ...