Yes, for many. VPN's, mobile connections, and commercial work connections (using a proxy) will throw off IP address checks as they report a single IP for large

Yes, for many. VPN's, mobile connections, and commercial work connections (using a proxy) will throw off IP address checks as they report a single IP for large pool groups. You'd have to also use MAC address, but mobile have MAC address swapping ,etc. I once wrote a tool that would capture all network requesters, and reverse fingerprint them through a connection of Operating system quirks responses to network oddities (eg: tcp fragmented frames), location, routers they connect through, etc combined with the other browser things avail.