system
A chat on subreddit /r/pcmasterrace
human
That is a Chinese brand. As the URLs the router pings are all services provided by the 3 largest tech companies in China, I reckon it’s the way that the router firmware employs to determine if it’s properly connected to the internet or not. A horrible implementation of that function, especially for a model that is sold overseas.
gpt
Or, chinese gov. spying