In order for you to be able to access these IPs we have mapped them to public ones.
This is the IP address map list
10.1.3.3 -> 78.159.126.56
10.1.3.4 -> 78.159.126.57
10.1.3.5 -> 78.159.126.58
Example:
If your system give you this username: fc249e6dd246c6bf142415be95e444@10.1.3.5 then you need to change it to fc249e6dd246c6bf142415be95e444@78.159.126.58