Robtex

Up: 31.25.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.48.0/22
Down right: 31.25.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.25.48.4	A	www.kabelsurfer.com
31.25.48.4	A	superkabel.de
31.25.48.4	A	kabelsurfer.com
31.25.48.9	A	www.smartfeedads.com
31.25.48.11	A+PTR	mx01.xworks.net
31.25.48.13	A+PTR	smtp-out01.xworks.net
31.25.48.15	PTR	smtp-out03.mediabeam.com
31.25.48.15	A	imap.kabelmail.de
31.25.48.17	A	mx.xworks.net
31.25.48.21	A	www.adshopping.net
31.25.48.21	A	adshopping.org
31.25.48.21	A	adshopping.info
31.25.48.28	A+PTR	smtp.directbox.com
31.25.48.41	A	clevermail.com
31.25.48.46	A	ahaus.net
31.25.48.46	A	ahaus.stadtmail.com
31.25.48.49	A	paderborn.com
31.25.48.51	A	dueren.net
31.25.48.51	A	www.dueren.net
31.25.48.53	A	stadtnetz.com
31.25.48.57	A	ivg.auction
31.25.48.57	A	www.ivg.auction
31.25.48.57	A	ivg-kuepers.de
31.25.48.58	PTR	dns3.mediabeam.com
31.25.48.65	PTR	kdg-proxy1.mediabeam.com
31.25.48.65	A	xworks365.com
31.25.48.66	PTR	relay02.directbox.com
31.25.48.66	A	smtp.xworks.net
31.25.48.66	A	imap.xworks.net
31.25.48.70	A	cloudmail.de
31.25.48.74	PTR	www.clockx.com
31.25.48.74	A	mailbeamer.de
31.25.48.74	A	www.mailbeamer.com
31.25.48.82	PTR	dmz-dc1.mediabeam.com
31.25.48.82	A	ahausernothilfe.de
31.25.48.82	A	ahauser-nothilfe.de
31.25.48.85	A	dns.mediabeam.eu
31.25.48.85	A	dns1.mediabeam.com
31.25.48.88	PTR	clh.mediabeam.com
31.25.48.89	A	www.x-pad.net
31.25.48.95	A	www.mediabeam.com
31.25.48.95	A	www.stadtmail.com
31.25.48.97	PTR	linuxweb2.mediabeam.com
31.25.48.97	A	webruf.net
31.25.48.97	A	smartfeedad.de
31.25.48.99	PTR	service.mediabeam.com
31.25.48.116	A	xworks365.com
31.25.48.116	A	xworks.de
31.25.48.116	A	xworks.net
31.25.48.124	A+PTR	newsletter.kabelmail.de
31.25.48.134	PTR	sdc.mediabeam.com
31.25.48.213	A+PTR	smtp-out213.xworks.net
31.25.48.214	A+PTR	smtp-out214.xworks.net
31.25.48.215	A+PTR	smtp-out215.xworks.net
31.25.48.216	A+PTR	smtp-out216.xworks.net
31.25.48.217	A+PTR	smtp-out217.xworks.net
31.25.48.218	PTR	smtp-out218.xworks.net
31.25.48.220	A+PTR	smtp-out220.xworks.net
31.25.48.221	A	smtp-out221.xworks.net
31.25.50.7	PTR	mail.visaas.de
31.25.50.7	A	mail.bessler-terhardt.de
31.25.50.141	A+PTR	relay.mediahaus.de
31.25.50.168	A	mediaflows.de
31.25.50.176	A	wxp.mediahaus.de
31.25.50.176	A	blader.mediahaus.de
31.25.50.182	PTR	vhcs2.mediahaus.de
31.25.50.182	A	mediacor.de
31.25.50.190	PTR	vhcs.mediahaus.de
31.25.50.190	A	mail.grolsch-global-toolkit.com
31.25.50.190	A	xn--dnecke-bua.de
31.25.50.191	PTR	ds1.mediahaus.de
31.25.50.192	PTR	ds2.mediahaus.de
31.25.50.192	A	www.ruesen.de
31.25.50.192	A	mail.mediaflip.de
31.25.50.193	PTR	ds3.mediahaus.de
31.25.50.194	PTR	ds4.mediahaus.de
31.25.51.3	A	www.teka.eu
31.25.51.9	A	ambifox.net
31.25.51.15	A	ambicloud.de
31.25.51.17	A+PTR	mail01a.ambifox.net
31.25.51.17	A	mail.ambifox.net
31.25.55.144	A	openemm-test.mediabeam.com