Robtex

Up: 193.22.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.22.72.0/23
Down right: 193.22.74.0/23

IP	Type	Hostname
193.22.73.1	PTR	gateway.pb.bib.de
193.22.73.200	A+PTR	ux-09.pb.bib.de
193.22.73.200	A	www.pb.bib.de
193.22.73.206	PTR	intranet.bib.de
193.22.73.206	A	intranet.fhdw.de
193.22.73.253	PTR	fhdw-e1.pb.bib.de
193.22.73.254	A	ns-pb.bib.de
193.22.74.5	A	hermes.dd.bib.de
193.22.74.40	PTR	ux-01.dd.bib.de
193.22.74.50	PTR	win05.dd.bib.de
193.22.74.51	PTR	firewall.dd.bib.de
193.22.75.51	PTR	isdn-gw1.dd.bib.de
193.22.75.52	PTR	firewall.dd.bib.de