Robtex

Up: 193.223.76.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.223.77.0/25
Down right: 193.223.77.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.223.77.2	PTR	extstatus01.ispgateway.de
193.223.77.3	PTR	ns2.namespace4you.de
193.223.77.3	A	ns2.fadenlauf.eu
193.223.77.3	A	ns2.ankaufland.de
193.223.77.6	A	ns2.dev.domainfactory.de
193.223.77.7	A	domaingo-status.de
193.223.77.7	A	www.domainfactory-status.de
193.223.77.7	A	domainfactory-status.de
193.223.77.17	A+PTR	bigboxhetzner01.domainfactory.de
193.223.77.18	A+PTR	extstatus01.ispgateway.de
193.223.77.152	A+PTR	cyclades-hetzner.ispgateway.de