Robtex

Up: 192.109.234.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.109.234.0/25
Down right: 192.109.234.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.109.234.195	PTR	osa.fh-frankfurt.de
192.109.234.196	PTR	video.fh-frankfurt.de
192.109.234.205	PTR	dc-router.fh-frankfurt.de
192.109.234.205	A	elearning.fh-frankfurt.de
192.109.234.209	A+PTR	medusa.fh-frankfurt.de
192.109.234.211	PTR	fh-gate-01.fh-frankfurt.de
192.109.234.215	PTR	www.routea66.de
192.109.234.216	PTR	squid01.dv.fh-frankfurt.de
192.109.234.216	A	www.fh-frankfurt.de
192.109.234.216	A	fra-uas.de
192.109.234.218	A	frankfurt-university.de
192.109.234.218	A	his-www.dv.fh-frankfurt.de
192.109.234.218	A	webmail.frankfurt-university.de