Binance has a history of lax KYC [1]. For a global exchange to not risk blowing up means to gain affirmative proof of a user's legal identity, jurisdiction, tax residence. If you try and use an IP ban to loophole around having to add a robust KYC flow into your product, don't be surprised when a major governmental authority (and the general public) remain generally unconvinced that you did your best to be above ground.
[1] https://cointelegraph.com/news/binance-sued-for-allegedly-fa...