This web feature service allows viewing the NGI's historical aerial photos (1947-2007).

The contour lines are the set of lines connecting all points at the same elevation in a model used to represent the relief on a large scale.

Geodetic markers of which the 3D coordinates are precisely known in common Belgian reference systems.

This dataset consists of historical aerial imagery (1947-2007) commissioned by the National Geographic Institute. It includes the spatial footprints and metadata of individual photographs as well as the corresponding flight paths of the aircraft used during image acquisition.

Govroam is a " wifi roaming " solution. This service offers to the users a simple and secure access to the wireless network of their institution, but also to networks of other participating institutions. A user from an organization that participates in govroam will be able to connect to any wireless access point broadcasting govroam. The data provided here makes it possible to locate these access points.

CadGIS Viewer is an application developed by the General Administration of Patrimonial Documentation of the FPS Finance. This application allows to: - consult the current situation of the land register plan and the administrative units and print them out; - consult all the tax situations since 2018 (situation as on 1 January) for the land register plan and administrative units; - search and geolocate the objects on the land register plan on the basis of space characteristics or queries; - ask for and print out cadastral plan parcels within a certain range around or adjacent to one or more parcels ; - search graphically on the map for surveyors' plans (only for surveyors); - add additional data to the map, both from a predefined list (IGN - Belgian national geographical institute’s aerial photographs, Cartoweb, regional reference frames such as GRB and PICC, ...) as well as other data via the URL of web services.

This web service allows dowload ROB datasets. This service is compliant with the INSPIRE specifications.