Robtex

Up: 158.224.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 158.225.0.0/17
Down right: 158.225.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
158.225.1.1	A	bitstraw.icem.de
158.225.1.2	A	melpumpe.icem.de
158.225.1.4	PTR	mail.icem.com
158.225.1.4	PTR	ns.icemintranet.com
158.225.1.4	PTR	bitwall.icem.de
158.225.15.10	A+PTR	gatebs.icem.de
158.225.238.35	A	mail.nanu-inmo.com