37.30.26.44 IP banned

[Poohatek]

Hi,
I try to connect to #9 Steamer world and #2 micro citybuilder.
Just after connection I lost it, during next one I've get info "your access to this server is restricted"

This IP is shared from GSM operator.
I moved to my wife's mobile connection and have no restrictions.

How to change it's status?

BR,
Jakub