Premium names aren't squatted but designated as such by the central registry. For the TLDs .ac, .io, and .sh those are previously unavailable short domains that

Premium names aren't squatted but designated as such by the central registry. For the TLDs .ac, .io, and .sh those are previously unavailable short domains that are now released to public and auctioned by Divido, the company that has set up the site you see.