Well this will be the first for me I can promise you that unless you have a premium package with a 1:1 contention and confirmed by the ISP that they don't throttle torrent sites on your package.
I have had many battles with different ISP's including RAIN regarding 4G/ LTE and 5G throttling. I even had it on a 50Mbps fiber line...every time I got told no ISP offer open lines to torrent sites...due to previous years of download abuse. I eventually accepted this argument even though I don't agree if you pay for an expensive package you should get good service.
Also, I too was at RAIN last year, got like 450Mbps download from the get go and suddenly after 3 weeks...boom, things just went completely ape shite....it got so bad that I could almost get better service with my ADSL line and this while my router is high up my roof showing it's fixed to the nearest 5G tower (+- 800m line of site) with a 5G connection. I had a battle with RAIN for a 3 week period and then told them come collect your shite I am done with RAIN...I am better off now with 4G LTE ever since and people in my area don't seem to want fiber so I am LTE reliant.