Cheki hapo kwa setting kama kuna option ya block ama kufilter ip addresses . kama iko , cheki kama kuna option ya ku-add izo ip address manually alafu copy/paste hii list nimeattach ..... alafu nitumie za effort banae !
I have always used ublock origin extension and it is the best i have used so far, it blocks even youtube adds, but kama hutaki extensions
Checkout Pi-Hole, you will need to use Raspberry Pi or some Linux system(old pc/laptop) to run it.
ama setup adblocking DNS on the router