You don't perform web scraping that you know of... many of the bots and scraping services pay for access to residential IPs that they get access to because some

You don't perform web scraping that you know of... many of the bots and scraping services pay for access to residential IPs that they get access to because some proxy client that was bundled into software you installed. See https://news.ycombinator.com/item?id=29285988 https://news.ycombinator.com/item?id=29285988 Are you using a VPN? Site owners can block VPN IPs. Does your IP change, it could be flagged because of the previous owner. If not those, have you checked your IP in the various online blacklists? For example, you could be blocked due to IP reputation https://developers.cloudflare.com/firewall/recipes/block-ip-reputation/ https://developers.cloudflare.com/firewall/recipes/block-ip-.... You'd need to go to https://www.projecthoneypot.org/search_ip.php https://www.projecthoneypot.org/search_ip.php and check your IP. Try contacting the site owner.