The [`trusted-network` command](https://gitlab.com/anarcat/scripts/-/blob/3f3f024b9b2cbd0a32687727be7b26c8594ef933/trusted-network) checks for the default gateway on
the local machine and checks if it matches an allow list. It could
also just poke at the internet to see "what is my IP address", like
<https://check.torproject.org/>...
also just poke at the internet to see "what is my IP address", like: