> Would you happen to know why AdGuard's IP addresses point to Russia
The link shows the owner of the AS, not the location of the servers.
The IP address itself belongs to an AS (https://en.wikipedia.org/wiki/Autonomous_system_(Internet)) that belongs to a Russian hosting company, and we have a long term rent contract on this subnet (with a purchase option), and we'll eventually acquire it.
To check where it really leads you should see the output of `traceroute 176.103.130.130`. However, this is also not the best option because AG DNS uses anycast (https://en.wikipedia.org/wiki/Anycast), and the route depends on your location.