Robtex

Up: 178.20.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 178.20.0.0/22
Down right: 178.20.4.0/22

IP	Type	Hostname
178.20.0.3	PTR	host178-20-0-3.elabnet.de
178.20.0.8	PTR	host178-20-0-8.elabnet.de
178.20.0.10	PTR	host178-20-0-10.elabnet.de
178.20.0.75	PTR	host178-20-0-75.elabnet.de
178.20.2.8	PTR	host178-20-2-8.elabnet.de