Robtex

Up: 217.170.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.170.1.0/25
Down right: 217.170.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.170.1.1	A+PTR	dns1.nedzone.nl
217.170.1.1	A	ersatzmedia.net
217.170.1.5	PTR	m7i-ams.nedzone.nl
217.170.1.12	PTR	webmail.traversegroep.nl
217.170.1.30	A+PTR	mail.payper.nl
217.170.1.30	A	secure.payper.nl
217.170.1.30	A	mail.payrollfactory.nl
217.170.1.35	PTR	hosting01.nedzone.nl
217.170.1.35	A	mail.carpet-tapes.com
217.170.1.35	A	studievriend.be
217.170.1.36	A	nedzone.info
217.170.1.43	PTR	bsmtp.nedzone.nl
217.170.1.43	A	mail.ekobouw.com
217.170.1.49	A	www.novarage.nl
217.170.1.49	A	internetapplications.nl
217.170.1.49	A	novarage.nl
217.170.1.50	PTR	web.nedzone.nl
217.170.1.50	A	docklease.nl
217.170.1.50	A	mail.patientenmonitor.be
217.170.1.51	PTR	web.nedzone.nl
217.170.1.55	A+PTR	mx.nedzone.nl
217.170.1.55	A	mailscanner.nedzone.nl
217.170.1.55	A	mail.liad.nl
217.170.1.56	PTR	mx-grey.nedzone.nl
217.170.1.60	A	pop.meldpuntboz.nl
217.170.1.60	A	textielbedrukking.be
217.170.1.60	A	pop.nedzone.be
217.170.1.131	A	pop.bouwbedrijfklok.nl
217.170.1.131	A	bouwbedrijfklok.nl
217.170.1.145	A	ggdreizigerszorg.nl
217.170.1.150	A	ns1.nextreme.nl
217.170.1.151	A	ns2.nextreme.nl
217.170.1.162	PTR	ns3.tele.nl
217.170.1.165	PTR	fallback.intention.nl
217.170.1.175	PTR	isis.sebsoft.nl
217.170.1.175	A	backupmail.aiterion-hosting.nl
217.170.1.175	A	backupmail.arcade-showdance.be
217.170.1.180	PTR	creativeinteraction.net
217.170.1.180	A	mail.brabanttuin.net
217.170.1.180	A	mail.brabanttuin.com
217.170.1.185	A	ns3.bhosted.eu
217.170.1.187	PTR	fallback.anthiafarmalinks.nl
217.170.1.200	A	mx.jfd-studio.nl
217.170.1.220	A	ns1.jfd-studio.nl
217.170.1.240	A+PTR	cachingns2.hix.nl
217.170.1.241	A+PTR	ns2.hix.nl
217.170.1.241	A	ns2.xladsl.nl
217.170.1.241	A	ns2.website-server.nl
217.170.1.249	A+PTR	ns2.hosting2go.nl