It is not just shared IPs, I have a personal VPN/proxy that only I use (although in an IP range that likely includes shared VPNs) and it is blocked. It could b

It is not just shared IPs, I have a personal VPN/proxy that only I use (although in an IP range that likely includes shared VPNs) and it is blocked. It could be that they are blocking all "non-residential" IP addresses and the VPNs that work are using botnets (or some other way they get "residential" IP addresses) to route traffic. My memory isn't that great and I rarely look at reddit (just the occasional search results) but I think there might have been a similar block on old for a bit earlier (closer to when the block on the main domain started).