Robtex

Up: 194.13.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.13.80.0/23
Down right: 194.13.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.13.80.13	A	*.streamachine.net
194.13.80.13	A	srv10.streamachine.net
194.13.80.13	A	styledog.ch
194.13.81.2	PTR	web5.n.ad-sys.de
194.13.81.8	A	mau.si
194.13.81.79	PTR	host2.palz24.de
194.13.81.95	A	miji.de
194.13.81.180	PTR	web02.s.itexserver.de
194.13.81.180	A	ihmehl.com
194.13.81.213	PTR	plesk.fysch.net
194.13.81.235	PTR	mail.lehrzimmer.at
194.13.82.0	PTR	mail.vmw5.de
194.13.82.50	PTR	mx.j-architektur.de
194.13.82.53	A	siol.me
194.13.82.59	PTR	v2202004120319116481.nicesrv.de
194.13.82.69	A	ns2.virtualzone.eu
194.13.82.85	PTR	b.mx.tibihan.de
194.13.82.132	PTR	mail.waywiser.de
194.13.82.153	PTR	pro2.sd-solutions.at
194.13.83.17	PTR	mail.dtnvrn.de
194.13.83.26	A	dlvt.de
194.13.83.37	PTR	soda.zylogistik.com
194.13.83.87	PTR	joe.stimpfle.net
194.13.83.96	PTR	mail.demoworld.eu
194.13.83.104	PTR	mailout.faudin.de
194.13.83.138	A	mx1.www-urknall.de
194.13.83.217	PTR	mail.hollander.online
194.13.83.217	A	hollander.online