Robtex

Up: 153.92.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 153.92.65.0/25
Down right: 153.92.65.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
153.92.65.6	A	dns9.x-ion.de
153.92.65.6	A	dns2.oss42.net
153.92.65.6	A	dns7.x-ion.de
153.92.65.9	A	dns8.x-ion.de
153.92.65.9	A	dns10.x-ion.de
153.92.65.13	A	werstreamt.es
153.92.65.13	A	www.werstreamt.es
153.92.65.30	A+PTR	mx1.open-xchange.com
153.92.65.50	A	www.x-ion.de
153.92.65.56	A+PTR	wgw-hh.open-xchange.com
153.92.65.59	A+PTR	mx3.open-xchange.com
153.92.65.87	PTR	office.tpip.net
153.92.65.89	A+PTR	office.tpip.net
153.92.65.112	A+PTR	vsmx001.vodafonemail.xion.oxcs.net
153.92.65.114	A	vodafonemail.xion.oxcs.net
153.92.65.114	A	mail.nexgo.de
153.92.65.114	A	mail.arcor.de
153.92.65.116	A+PTR	vsmx002.vodafonemail.xion.oxcs.net
153.92.65.123	A	mx001.obs.xion.oxcs.net
153.92.65.123	A	mx003.teaming.orange-business.com
153.92.65.123	A	mx003.obs.xion.oxcs.net