do we know how far black matter goes on for?

Question: do we know how far black matter goes on for?
- Keywords:
  dark matter,
  space,
  universe
Asked by to Roberto on 17 Jun 2014. This question was also asked by .
- Roberto Trotta answered on 17 Jun 2014:
  
  We think it is everywhere in the Universe, so it goes on in all directions around us forever (or at least, for the entire size of the Universe, which we think might be infinite).

Question: do we know how far black matter goes on for?