Empire travel restrictions
<= -2.0 in 1.0 systems
<= -2.5 in 0.9 ''
<= -3.0 in 0.8 ''
<= -3.5 in 0.7 ''
<= -4.0 in 0.6 ''
<= -4.5 in 0.5 ''

If your security status is <= -5.0, you are a kill-on-sight target to other players as well (including podding), in all levels of space. Regardless of security status, if your faction standing is <= -5.0, that faction's navy will attack you anywhere in its sovereign space.

14.413 au = 2.147.483.647 km Max Scanner Range

Unrated Faction CSites hierarchy:
[High] Hideout -> Lookout -> Watch -> Vigil (these escalate INTO Highsec) ->
[Low] Prov Outpost -> Outpost -> Minor Annex -> Annex [Needs Gold Tag] (these MAY escalate into NULL) ->
[Null] Base -> Fortress -> Complex -> Prov HQ -> Fleet Staging Point

Anomalies:
Hideaway - Burrow - Refuge - Den*
Yard - Rally Point - Port - Hub*
Haven - Sanctum
* [L1 - Hidden, L2 - Forsaken, L3 - Forlorn]