OSPF Prefix Suppression

Is OSPF Prefix Suppression supported on RouterOS?

I’d like to know this too - I haven’t found any way to do it so I’m doing the stupid thing of filtering the routes from being entered into the route table on every router in the area.

have a look into the help docs

https://help.mikrotik.com/docs/display/ROS/Route+Selection+and+Filters#RouteSelectionandFilters-FilterSyntax

https://help.mikrotik.com/docs/display/ROS/Route+Selection+and+Filters#RouteSelectionandFilters-RouteSelection