Censys uses a software called ZMap which has been developed by Durumeric and his colleagues.
Censys searches the data harvested by software calledZMapand is updated very day with a fresh set of data.
The paper contains a full description of Censyss architecture and several use cases.
you’re free to visit Censyshereto try it out.
For the first time users, the developers have even made a tutorial which can be accessedhere.
source: www.techworm.net
