I've been looking for an IPV6 proxy service for some time now to test with. I found 1 site that listed it, but when I signed up, they sent me a $1000 bill because they shifted everything to IPV4 proxies and told me IPV6 wasn't available. Is there any service offering IPV6 proxies at the moment? I'm not looking for a huge amount of them, so they don't even have to be cheap. I just want to test the functionality.