Quote (AimfortheHead @ 18 Oct 2018 17:28)
If you're trying to or have used any form of a proxy, your IP is banned. If not, there is potential your residential IP address is on the same subnet as one that has been banned due to botters.
Was going to type the same but i wanted more imformation before that so i could ignore some of the possible reasons!
If he get it on all realms then for sure his ISP is not providing him a residential IP which is now counted as cheating by Blizzards new rules