Lofgren’s bill would impose site-blocking requirements on broadband providers with at least 100,000 subscribers and providers of public domain name resolution services with annual revenue of over $100 million. The bill has exemptions for VPN services and “similar services that encrypt and route user traffic through intermediary servers”; DNS providers that offer service “exclusively through encrypted DNS protocols”; and operators of premises that provide Internet access, like coffee shops, bookstores, airlines, and universities.
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Doesn’t the IP address change anyway?
Some do and some don’t. Even if the IP changes, the actual IP address will be shown on the WHOIS site. Alternatively, I am sure that the actual IP address of these sites is shared by non-American users on forums and other sites.