I think Integrated Capture work for 188.8.131.52 (I use it).
You need apply path: p15987144_112030_LINUX.
Also have a MOS note about this; Specific patches for Integrated Capture: 1411356.1
Which is you motivation to use Integrated capture?
The Integrated Replicat needs the target database to be 184.108.40.206 or higher.
No back port plans.
The source can be 220.127.116.11 (+ required patches) for configuring Integrated Extract.
No, Integrated Replicat will not be backported to 18.104.22.168 or prior versions.