If you get the "Sorry, this IP address has been blocked." message it means you have triggered our abuse detections systems. They think that the way you use the faucet indicates you may be either using a bot or multi-accounting so either your account and/or IP has been blocked.
Basically I use three IP addresses: the one in the work, the one of the mobile operator and the WiFi at home (now all three are blocked).
Sometimes I change them during the day, it depends how and where I had to turn.
As I said above, I have been using the site for almost a year.
In the same way I turn to the freedoge.co.in site, and there I have no problem.
And as the colleague wrote above:
There is no change in the way the site is used.