Robtex

Up: 193.242.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 193.242.80.0/21
Down right: 193.242.88.0/21

IP	Type	Hostname
193.242.82.81	PTR	tokhei01-bla.eurorings.net
193.242.87.236	A	ns2.eurorings.net
193.242.87.246	A	ns1.eurorings.net
193.242.90.198	A+PTR	ns1a.eurorings.net
193.242.91.10	A	incoming-mail.eurorings.net
193.242.91.195	A+PTR	ns2a.eurorings.net
193.242.92.27	A+PTR	dens1.eurorings.net
193.242.95.61	A	oob1.lab.eurorings.net