Today I learned - Combat Beacons in LowSec

 Looking for something else on DotLan I stumbled into Places. To get there you go to the main page of DotLan and select your region the click on the red drop pointer.

You get a list of these .. Things. So to trusty EVE Uni I went. 

One Name

At 

A Time

Until it popped a result. These Names that have the category of Landmark indicate Combat Beacons in LowSec clicky the linky to get the deets.

The Deadspace category ones just give themselves away stating the DED rating. Clicky here for those rating deets

For the Site Category it appears each is a bit different based on the area it is in, but they too are combat sites ... even if  you have to search each one individually to find out more.