Robtex

Up: 37.72.104.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.72.104.0/25
Down right: 37.72.104.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.72.104.0	PTR	hosted.by.bitency.net
37.72.104.6	PTR	vpn01.mach-it.net
37.72.104.8	PTR	filecap.mach-it.net
37.72.104.8	A	mail.jansenhydrauliek.nl
37.72.104.10	PTR	web0.mach-it.net
37.72.104.10	A	mail.trifier.nl
37.72.104.10	A	trifier.org
37.72.104.11	A+PTR	ns1.dns-mach-it.nl
37.72.104.12	PTR	ns2.dns-mach-it.nl
37.72.104.12	A	ns3.dns-mach-it.nl
37.72.104.17	PTR	web1.mach-it.net
37.72.104.17	A	dns-mach-it.nl
37.72.104.17	A	hosted.by.mach-it.net
37.72.104.18	PTR	web2.mach-it.net
37.72.104.18	A	hosted.by.mach-it.net
37.72.104.18	A	voetbalmanagerspel.nl
37.72.104.20	PTR	hosted.by.bitency.net
37.72.104.20	A	mail.fysiotherapieloerik.nl
37.72.104.20	A	antispam.evers-automatisering.nl
37.72.104.21	PTR	hosted.by.bitency.net
37.72.104.21	A	backoffice.evers-automatisering.nl
37.72.104.26	PTR	smtp33.mach-it.net
37.72.104.40	PTR	oneclick-srv1.oneclickoffice.nl
37.72.104.40	A	oneclickoffice.nl
37.72.104.40	A	mail.oneclickoffice.nl
37.72.104.41	A	exchangeplatform.email
37.72.104.41	A	mx1.exchangeplatform.email
37.72.104.55	PTR	oneclick-srv3.oneclickoffice.nl
37.72.104.55	A	mx2.exchangeplatform.email
37.72.104.55	A	webmail.oneclickoffice.nl
37.72.104.58	PTR	www.mach-it.net
37.72.104.58	A	mail.mach-it.net
37.72.104.58	A	*.rijen.mach-it.net
37.72.104.59	A	oneclicknetwerk.nl
37.72.104.59	A	oneclick-srv1.oneclicknetwerk.nl
37.72.104.59	A	mail.oneclicknetwerk.nl
37.72.104.63	PTR	hosted.by.mach-it.net
37.72.104.64	PTR	hosted.by.bitency.net
37.72.104.78	PTR	hosted.by.bitency.net
37.72.104.81	PTR	hosted.by.bitency.net
37.72.104.87	PTR	hosted.by.bitency.net
37.72.104.95	PTR	hosted.by.bitency.net
37.72.104.96	PTR	hosted.by.bitency.net
37.72.104.105	PTR	hosted.by.bitency.net
37.72.104.106	PTR	hosted.by.bitency.net
37.72.104.106	A	cloud.kpaproject.nl
37.72.104.107	A	hosted.cloud-cnbit.nl
37.72.104.111	A	remote.koekenreinders.nl
37.72.104.112	PTR	hosted.by.bitency.net
37.72.104.112	A	cloud.vangurchom.net
37.72.104.112	A	webmail.rktsv-wsj.nl
37.72.104.114	A	mail.kwinten.com
37.72.104.114	A	cloud.kwinten.com
37.72.104.116	PTR	hosted.by.bitency.net
37.72.104.116	A	cloud.verbunthockey.nl
37.72.104.119	A	cloud.mundiservice.org
37.72.104.127	PTR	hosted.by.bitency.net
37.72.104.128	PTR	hosted.by.bitency.net
37.72.104.133	PTR	hosted.by.bitency.net
37.72.104.133	A	mail.medischcentrumdonk.nl
37.72.104.133	A	mail.startrans.nl
37.72.104.134	A	mail.huur-toestel.com
37.72.104.134	A	solexbrabant.com
37.72.104.134	A	huurtoestel.com
37.72.104.136	A	ns2.evers-automatisering.nl
37.72.104.144	PTR	hosted.by.bitency.net
37.72.104.159	PTR	hosted.by.bitency.net
37.72.104.160	PTR	hosted.by.bitency.net
37.72.104.164	A	aptechnology.nl
37.72.104.168	PTR	hosted.by.bitency.net
37.72.104.171	A	dbeez.nl
37.72.104.200	PTR	hosted.by.bitency.net
37.72.104.205	PTR	hosted.by.bitency.net
37.72.104.230	PTR	hosted.by.bitency.net
37.72.104.230	A	tomhamoen.nl
37.72.104.230	A	peterdehingdancestudios.nl
37.72.104.231	PTR	web02.synegic.net
37.72.104.231	A	mail.daan.co.uk
37.72.104.231	A	synegic.nl
37.72.104.233	A	www.fiberprovider.nl
37.72.104.233	A	fiberprovider.nl
37.72.104.233	A	mail.fiberprovider.nl
37.72.104.242	PTR	hosted.by.bitency.net
37.72.104.242	A	fiberdev.nl