Robtex

Up: 217.72.208.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.72.208.0/25
Down right: 217.72.208.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.72.208.26	PTR	208cm026.cablenet.de
217.72.208.44	PTR	208cm044.cablenet.de
217.72.208.44	A	g-vr.de
217.72.208.70	PTR	mail.mincom.de
217.72.208.70	A	mincom-smart-solutions.com
217.72.208.70	A	ns2.toposis.com
217.72.208.82	PTR	208cm082.cablenet.de
217.72.208.93	PTR	208cm093.cablenet.de
217.72.208.110	A	mail.hovag.de
217.72.208.182	PTR	208cm182.cablenet.de
217.72.208.187	A	brix.mobi