Robtex

Up: 195.234.216.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.234.217.0/25
Down right: 195.234.217.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.234.217.4	A+PTR	dns.realtech.de
195.234.217.4	A	dns.realtech.com
195.234.217.4	A	dns.realtech.com.sg
195.234.217.5	A	theguard.es
195.234.217.5	A	www.realtech.co.nz
195.234.217.5	A	www.lmc.de
195.234.217.7	A+PTR	grep.realtech.com
195.234.217.11	A	globe-tec.com
195.234.217.15	A	email.realtech.com
195.234.217.18	PTR	autodiscover.realtech.de
195.234.217.18	A+PTR	email.realtech.de
195.234.217.21	A+PTR	support.realtech.com
195.234.217.23	A+PTR	websrv1.realtech.com
195.234.217.24	A+PTR	websrv2.realtech.com
195.234.217.26	A	ftp.realtech.de
195.234.217.27	A	servicedesk.realtech.com
195.234.217.28	A	support.realtechhosting.com
195.234.217.29	A+PTR	sysmp.realtech.de
195.234.217.31	PTR	ns2.realtech.de
195.234.217.41	A	mobile.realtech.com
195.234.217.57	A	demo.realtech.de
195.234.217.57	A	demo.realtech.com
195.234.217.58	A+PTR	smtpgw01.realtech.com
195.234.217.59	A	support.realtech.de
195.234.217.60	A+PTR	smtpgw02.realtech.com
195.234.217.60	A	warp10.realtech.de
195.234.217.62	PTR	adfs.realtech.com
195.234.217.62	A	mail.globe-tec.de
195.234.217.80	PTR	www.realtech.com
195.234.217.80	A	www.realtech.de
195.234.217.80	A	realtech.be