Robtex

Up: 217.72.210.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.72.210.0/25
Down right: 217.72.210.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.72.210.86	PTR	210cm086.cablenet.de
217.72.210.86	A	v8t.de
217.72.210.86	A	ppb.de
217.72.210.117	A	mail.ic-rosenheim.de
217.72.210.202	A	meinberrycraft.com