Robtex

Up: 185.42.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.42.56.0/23
Down right: 185.42.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.42.56.10	A+PTR	mail.ict-helpdesk.nl
185.42.56.10	A+PTR	mail.itb-datacenter.nl
185.42.56.10	A+PTR	mail.itb-kwadraat.nl
185.42.56.33	A+PTR	mail.reesink.nl
185.42.56.41	A	turfcarewarranty.net
185.42.56.50	A+PTR	mail.breustedt.nl
185.42.56.66	A	mxmail2.beinformed.com
185.42.56.66	A	mxmail1.beinformed.nl
185.42.56.69	A	beinformed.xxx
185.42.56.82	A	printtosandd.mailstreet.nl
185.42.56.82	A	printtosandd.nl
185.42.56.100	A+PTR	email.cfp.nl
185.42.56.100	A	mail-duurzaamheidsscan.nuon.nl
185.42.56.116	PTR	noc.anylinq.com
185.42.56.118	A	metrics.anylinq.com
185.42.56.132	A	myblender.learningonline.nl
185.42.56.132	A	www.my-blender.nl
185.42.56.134	A	learningonline.nu
185.42.56.134	A	mail.thelearningstudio.nl
185.42.56.155	A	*.learningonline.nl
185.42.56.166	A	xs.zozijn.nl
185.42.56.207	A	zabbix.shockmedia.nl
185.42.57.13	PTR	boslms01.bosqom.net
185.42.57.13	A	www.bosmail.com
185.42.57.18	PTR	vpn.oosterberg.nl
185.42.57.22	A	mail.oosterberg.nl
185.42.57.23	A	webmail.oosterberg.nl
185.42.57.30	PTR	office.oosterberg.nl
185.42.57.30	A	vpn.oosterberg.nl
185.42.57.33	A	vdvalkdata.com
185.42.57.37	A	endesamedia.com
185.42.57.38	A	jammedia.com.ar
185.42.57.38	A	atonchile.cl
185.42.57.38	A	www.atonchile.cl
185.42.57.40	A	barthresearch.org
185.42.57.40	A	uilkema.nl
185.42.57.47	PTR	mail.delos.nl
185.42.57.47	A	mail.dbits.nl
185.42.57.47	A	dbits.nl
185.42.57.48	A	moviestorecollection.com
185.42.57.69	A	cups4kids.com
185.42.57.69	A	boswork.com
185.42.57.69	A	bosgoedbank.com
185.42.57.75	A	infosense.nl
185.42.57.75	A	veenhuishoeve.nl
185.42.57.75	A	canea.be
185.42.57.77	A	boslmg04.bosqom.net
185.42.57.77	A	ns3.bosgoed-automatisering.nl
185.42.57.81	A	tracks4windows.com
185.42.57.81	A	drapery-systems.com
185.42.57.81	A	soundeater.nl
185.42.57.84	A	tigplatform.nl
185.42.57.90	A	www.express.nl
185.42.57.96	A	ns1.bosgoed-automatisering.nl
185.42.57.109	PTR	linuxweb4.bosqom.net
185.42.57.109	A	www.picturedrockslodging.com
185.42.57.109	A	hiawathashideaway.com
185.42.57.120	A	boslmg03.bosqom.net
185.42.57.142	PTR	sphosting.solidpartners.nl
185.42.57.142	A	voordes.nl
185.42.58.11	A	supershift.org
185.42.58.11	A	mcx.nl
185.42.58.11	A	mcx.eu
185.42.58.45	A	bottlebusiness.nl
185.42.58.45	A	www.raisethebar.nu
185.42.58.45	A	raisethebar.nu
185.42.58.98	A	ugcn.nl
185.42.58.98	A	veeonline.nl