Not knowing the the Terms Of Service of the ISP and the legal jurisdiction of where you are, the best we can suggest is generalities. There may be additional and mitigating information that we are unaware of.
Does your rental agreement cover anything related to 'illegal activity'? If not you are likely to put your landlord at risk. I would venture to say there is some fine print in your rental agreement where he can bring civil charges against you for criminal conduct on his premises. Is it worth risking your place of residence and a potential reference if you need to move again to visit these sites?
to note that: "The information found on BleepingComputer.com is not meant to be a substitute for any legal, financial, medical, or health advice."
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