Robtex

Up: 212.42.242.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.42.243.0/25
Down right: 212.42.243.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.42.243.66	PTR	mail.klug-cms.de
212.42.243.66	A	b5-doc.de
212.42.243.66	A	b5-center.de
212.42.243.67	A	mail2.klug-cms.de
212.42.243.68	A+PTR	mail.klug-cms.de
212.42.243.68	A	mail1.klug-cms.de
212.42.243.68	A	klug-cms.de
212.42.243.69	A	mail3.klug-cms.de
212.42.243.100	A+PTR	proxy2.all.de
212.42.243.100	A	shadow.all.de
212.42.243.101	PTR	bach.all.de
212.42.243.130	A+PTR	ns.im-netz.de
212.42.243.130	A	spinne.im-netz.de
212.42.243.130	A	ns1.im-netz.net
212.42.243.134	A	smtprelay.im-netz.de
212.42.243.135	A	rochen.im-netz.de
212.42.243.136	A+PTR	asplab.im-netz.de
212.42.243.137	A	siedlung-maeckeritzwiesen.de
212.42.243.138	PTR	olos.d-hosting.de
212.42.243.138	A	www.fliesen-von-weiher.de
212.42.243.138	A	blaueserie.de
212.42.243.139	PTR	ns2.im-netz.de
212.42.243.139	A	berlin.citde.net
212.42.243.139	A	ns2.im-netz.net
212.42.243.140	A+PTR	www.crm-now.de
212.42.243.140	A	crm-journal.de
212.42.243.140	A	crm-now.com
212.42.243.141	PTR	ankura.im-netz.de
212.42.243.141	A	mail.profilex.us
212.42.243.141	A	mail.putzanschlussprofile.de
212.42.243.165	A	nerdsontour.com
212.42.243.165	A	www.webdatenbanken.net
212.42.243.167	A	a.ls12.adjoli.net
212.42.243.168	A	mailin.xn--svenhirschmller-9vb.de
212.42.243.169	A+PTR	bill.adjoli.de
212.42.243.169	A	a.mx.digitale-heimat.de
212.42.243.169	A	a.mx.andreasfriedrich.org
212.42.243.177	A	geophon.de
212.42.243.177	A	www.geophon.de
212.42.243.177	A	klangkarte.de
212.42.243.196	A	iik-pop.all.de
212.42.243.240	PTR	ftp.itconcept.de