Robtex

Up: 193.28.250.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.28.251.0/25
Down right: 193.28.251.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.28.251.12	A+PTR	wns2.ghostnet.de
193.28.251.12	A	ns2.kleyrex.net
193.28.251.18	A	ns2.ghostnet.de
193.28.251.53	A+PTR	ns01-ext.sectoor.de
193.28.251.53	A	ns3.ghostnet.de
193.28.251.53	A	wns2.sectoor.de