I have read this article on forbes claiming that deepnet has only 7100 onion sites and took only 3 hours to scan completely.
Which to me sounds like total nonsense since if average .onion address is 16 long (example: http://3g2upl4pq6kufc4m.onion/) and can be made up from numbers and letters
Then possible combinations are
(27+10)^16 = 1.2337512e+25 (
(letters + numbers)^symbol-count) which if they would scan 65536 addresses per second (they would need to wait at least one second for response my understanding is that one can only open 65536 connections per machine simultaneously) to scan entire range of addresses they would need
3*60*60*65536 = 707788800 (
hours*minutes*seconds*connections-scanning-at-one-time) They would need
((26+10)^16)/(3*60*60*65536) = 1.1244401e+16 machines, which I doubt they have.
Could they have made a scan of all the
.onion websites in 3 hours?