Robtex

Up: 131.236.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 131.237.0.0/17
Down right: 131.237.128.0/17

IP	Type	Hostname
131.237.71.4	A	risicodatabase.rws.nl
131.237.71.29	A	waterwebservices.rijkswaterstaat.nl
131.237.71.35	A	waterberichtgeving.rws.nl
131.237.71.38	A	infra-web.nl
131.237.77.2	A	werkplek.rws.nl
131.237.77.4	A	toegangderden.rws.nl
131.237.77.18	A	dialin.rws.nl
131.237.77.20	A	mail.rws.nl
131.237.78.228	A	webmail.rws.nl
131.237.120.20	A	relay-3.rws.nl
131.237.120.22	A	relay-1.rws.nl
131.237.120.24	A+PTR	relay-2.rws.nl
131.237.120.24	A	relay-2.minvenw.nl