Robtex

Up: 185.19.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.19.56.0/23
Down right: 185.19.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.19.56.18	A	mail.global-inet.org
185.19.56.19	A	global-inet.org
185.19.56.50	PTR	wan2.srfholland.nl
185.19.56.50	A	srfholland.nl
185.19.56.106	A	vpn.rin.nl
185.19.56.107	A	rds.rin.nl
185.19.56.107	A	mail.internetshops.nl
185.19.56.107	A	spiceworks.rin.nl
185.19.56.108	A	view.rin.nl
185.19.56.131	A	smtp.ecodrukkers.nl
185.19.56.131	A	mail.taspac.nl
185.19.56.131	A	smtp.ecomediagroep.nl
185.19.56.174	A	mail.brabantaccountants.nl
185.19.56.174	A	intra.brabantaccountants.nl
185.19.56.179	A+PTR	mail.demiddenhof.nl
185.19.56.226	A	mail.bcnorg.nl
185.19.56.248	A	iwa.nu
185.19.56.253	PTR	powered-by.xenosite.net
185.19.56.253	A	uitvaartgoes.nl
185.19.56.253	A	imaginewebart.com
185.19.57.9	A	remote.2by4.nl
185.19.57.17	A	mail.pwadeburgt.nl
185.19.57.20	A	mail.hdstaphorst.nl
185.19.57.25	PTR	powered-by.xenosite.net
185.19.57.58	PTR	powered-by.xenosite.net
185.19.57.72	A+PTR	remote.hoogers.nl
185.19.57.72	A	mail.hoogers.nl
185.19.57.81	A	stream-server.be
185.19.57.81	A	nb1.nl
185.19.57.81	A	server-08.website-server.nl
185.19.57.132	PTR	powered-by.xenosite.net
185.19.57.135	PTR	powered-by.xenosite.net
185.19.57.164	PTR	powered-by.xenosite.net
185.19.57.172	PTR	powered-by.xenosite.net
185.19.57.219	A	remote.vangurpadvies.nl
185.19.57.219	A	remote.andrevangurp.nl
185.19.57.226	A	mail.edison-av.nl
185.19.58.2	PTR	powered-by.xenosite.net
185.19.58.2	A	mail.hemlock-group.eu
185.19.58.2	A	mail.hemlock-group.nl
185.19.58.42	PTR	powered-by.xenosite.net
185.19.58.78	A	mail.masmanbosman.com
185.19.58.78	A	mail.masmanbosman.nl
185.19.58.86	A	mail1.metalenplafonds.nl
185.19.58.86	A	mail.metalenplafonds.nl
185.19.58.118	A	mail.devuurtafel.nl
185.19.58.118	A	mail.desalamander.com
185.19.58.130	A	remote.avinom.nl
185.19.58.158	PTR	powered-by.xenosite.net
185.19.58.158	A	remote.morskateaandrijvingen.nl
185.19.58.158	A	mx2.morskateaandrijvingen.nl
185.19.58.190	PTR	powered-by.xenosite.net
185.19.58.190	A	remote.betakantoorstoelen.nl
185.19.58.194	A	mail.intereno.nl
185.19.58.238	PTR	powered-by.xenosite.net
185.19.58.250	PTR	powered-by.xenosite.net
185.19.58.250	A	remote.beckvdkroef.nl
185.19.59.5	A+PTR	mail.htweb.nl
185.19.59.5	A	mail.de-passerel.nl
185.19.59.5	A	smtp.de-passerel.nl
185.19.59.19	PTR	powered-by.xenosite.net
185.19.59.19	A	berichtenlogboek.nl
185.19.59.19	A	mail.kibaba.nl
185.19.59.35	A	remote.inno4life.com
185.19.59.39	PTR	powered-by.xenosite.net
185.19.59.39	A	digicollect.eu
185.19.59.39	A	nl.os-test.net
185.19.59.102	PTR	powered-by.xenosite.net
185.19.59.113	PTR	powered-by.xenosite.net
185.19.59.113	A	mail.pruim.eu
185.19.59.125	A+PTR	scanner3.pruim.eu
185.19.59.125	A	mail3.pruim.eu
185.19.59.125	A	mail3.pruim.nl
185.19.59.126	PTR	scanner3.pruim.eu
185.19.59.126	A	mail3.pruim.eu
185.19.59.126	A	mail3.pruim.nl
185.19.59.162	A	mail.rogierbosmanproducts.com
185.19.59.162	A	mail.rbcgroupbv.com