The Y9 in question here though is slow, fat, and low - max speed of 360kn and a service ceiling of 10,000m. It’s a cargo plane with EW stuff on it.

Get fucked, Russia.

DNS is what you’re looking for. To keep it simple and in one place (your adguard instance), you can add local dns entries under Filters > DNS Rewrites in the format below:

192.xxx.x.47 plex.yourdomain.xyz
192.xxx.x.53 snapdrop.yourdomain.xyz