Network observation systems designed to monitor globally unreachable but unused Internet address space or the Deep Web in order to study a wide range of interesting Internet phenomena.
![cover of episode Encore: network telescope (noun) [Word Notes]](https://megaphone.imgix.net/podcasts/8797f03a-a50b-11ea-b6c0-87ebb093948d/image/hacking-humans-cover-art-cw.png?ixlib=rails-4.3.1&max-w=3000&max-h=3000&fit=crop&auto=format,compress)