Robtex

Up: 217.170.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.170.40.0/23
Down right: 217.170.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.170.41.3	A	wserver10.netland.nl
217.170.41.3	A	flamelock.net
217.170.41.11	PTR	webs-wserver10.netland.nl
217.170.41.11	A	datasim-press.com
217.170.41.11	A	datasim.nl
217.170.41.14	PTR	kenteq.nl
217.170.41.15	PTR	free-on-kenteq.netland.nl
217.170.41.15	A	blijfvragen.nl
217.170.41.27	PTR	source05.sourcewebdesign.server.infracom.nl
217.170.41.27	PTR	source05.mx3.infracom.nl
217.170.41.27	A	thesor.eu
217.170.41.31	PTR	knipsel.nl
217.170.41.31	A	knipsels.nl
217.170.41.31	A	knipselinfoservice.com
217.170.41.40	A	polissen.nl
217.170.41.45	A+PTR	datawerken.netland.nl
217.170.41.45	A	feif.mobi
217.170.41.45	A	*.feif.org
217.170.41.46	PTR	webs-on-datawerken.netland.nl
217.170.41.50	A	mxsystems02.netland.nl
217.170.41.54	PTR	not-used-217-170-41-54.netland.nl
217.170.41.54	A	stagevoorjou.nl
217.170.41.54	A	www.vrijwilligersnetwerk.nu
217.170.41.63	PTR	webs-63-on-wserver10.netland.nl
217.170.41.63	A	nexxtdoor.nl
217.170.41.63	A	pm-world.nl
217.170.41.72	PTR	webs-source03.netland.nl
217.170.41.72	A	basicdecorations.nl
217.170.41.72	A	var-register.com
217.170.41.82	PTR	webs-source03.netland.nl
217.170.41.82	A	www.sourceweb.nl
217.170.41.82	A	www.source-net.nl
217.170.41.83	PTR	webs-source03.netland.nl
217.170.41.84	PTR	webs-source03.netland.nl
217.170.41.84	A	www.potjebier.nl
217.170.41.84	A	*.jijook.nl
217.170.41.87	PTR	webs-source03.netland.nl
217.170.41.97	PTR	webs-wserver10.netland.nl
217.170.41.97	A	engelhard.nl
217.170.41.97	A	amtec.nl
217.170.41.102	PTR	www.immigratiedienst.nl
217.170.41.102	A	identitydocuments.nl
217.170.41.102	A	identiteitsdocumenten.nl
217.170.41.128	A	tenniscard.nl
217.170.41.128	A	www.tenniscard.nl
217.170.41.148	PTR	webs-source03.netland.nl
217.170.41.148	PTR	wamelink.thesor.nl
217.170.41.148	A	weekendsex.nl
217.170.41.149	PTR	webs-source03.netland.nl
217.170.41.150	PTR	webs-wserver10.netland.nl
217.170.41.157	A	netwerk1013.nl
217.170.41.157	A	home-gallery.nl
217.170.42.38	A	hetfeestpaleis.nl
217.170.42.95	PTR	not-used-217-170-42-95.netland.nl
217.170.42.195	PTR	not-used-217-170-42-195.netland.nl
217.170.42.203	A	www.stunionp.nl
217.170.43.66	A	mx2.ajaxfps.com
217.170.43.116	A	mx.knipselinfoservice.com
217.170.43.117	A	mx.knipsels.nl
217.170.43.156	PTR	not-used-217-170-43-156.netland.nl
217.170.43.182	PTR	not-used-217-170-43-182.netland.nl
217.170.43.194	PTR	not-used-217-170-43-194.netland.nl
217.170.43.225	PTR	not-used-217-170-43-225.netland.nl
217.170.43.235	PTR	not-used-217-170-43-235.netland.nl