best iptv server provider ever is here: http://tvluux.com/

I'm sure there are lots, Russia is the king of piracy lol. You would likely need to get it direct from the mother land.

This is what we use, it's pretty nice, comes with a Roku app. http://etvnet.com/

Tvclub, ottclub, edem and many more

https://media-social.club/ go find it there. many providers

The main ones I'm aware of are:

OTTCLUB

EDEM TV

Kineskop TV

Isee HD

TVBoxPlus

http://torrent-tv.ru

Also there's Kartina.tv but not sure if they do regular m3u/IPTV or if they're only Dune HD firmware based.

https://russiantvcompany.com

I have friends from Ukraine that moved to Canada they use https://www.imb-plus.tv