Robtex

Up: 117.0.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 117.0.40.0/22
Down right: 117.0.44.0/22

IP	Type	Hostname
117.0.40.88	PTR	localhost
117.0.42.160	PTR	localhost
117.0.43.16	PTR	localhost
117.0.43.27	PTR	localhost
117.0.43.33	PTR	localhost
117.0.43.35	PTR	localhost
117.0.43.58	PTR	localhost
117.0.43.88	PTR	localhost
117.0.43.96	PTR	localhost
117.0.43.99	PTR	localhost
117.0.43.113	PTR	localhost
117.0.43.115	PTR	localhost
117.0.43.122	PTR	localhost
117.0.43.130	PTR	localhost
117.0.43.155	PTR	localhost
117.0.43.162	PTR	localhost
117.0.43.177	PTR	localhost
117.0.43.185	PTR	localhost
117.0.43.195	PTR	localhost
117.0.43.208	PTR	localhost
117.0.43.240	PTR	localhost
117.0.43.250	PTR	localhost
117.0.43.251	PTR	localhost
117.0.45.96	PTR	localhost