Robtex

Up: 117.0.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 117.0.72.0/22
Down right: 117.0.76.0/22

IP	Type	Hostname
117.0.72.216	PTR	localhost
117.0.73.105	PTR	localhost
117.0.74.8	PTR	localhost
117.0.74.10	PTR	localhost
117.0.74.27	PTR	localhost
117.0.74.33	PTR	localhost
117.0.74.48	PTR	localhost
117.0.74.96	PTR	localhost
117.0.74.106	PTR	localhost
117.0.74.120	PTR	localhost
117.0.74.128	PTR	localhost
117.0.74.137	PTR	localhost
117.0.74.144	PTR	localhost
117.0.74.147	PTR	localhost
117.0.74.178	PTR	localhost
117.0.74.195	PTR	localhost
117.0.74.208	PTR	localhost
117.0.74.217	PTR	localhost
117.0.74.243	PTR	localhost
117.0.75.10	PTR	localhost
117.0.75.35	PTR	localhost
117.0.75.43	PTR	localhost
117.0.75.57	PTR	localhost
117.0.75.58	PTR	localhost
117.0.75.59	PTR	localhost
117.0.75.64	PTR	localhost
117.0.75.74	PTR	localhost
117.0.75.82	PTR	localhost
117.0.75.90	PTR	localhost
117.0.75.98	PTR	localhost
117.0.75.120	PTR	localhost
117.0.75.122	PTR	localhost
117.0.75.130	PTR	localhost
117.0.75.152	PTR	localhost
117.0.75.153	PTR	localhost
117.0.75.154	PTR	localhost
117.0.75.160	PTR	localhost
117.0.75.170	PTR	localhost
117.0.75.176	PTR	localhost
117.0.75.184	PTR	localhost
117.0.75.224	PTR	localhost
117.0.75.227	PTR	localhost
117.0.75.233	PTR	localhost
117.0.75.235	PTR	localhost
117.0.76.195	PTR	localhost
117.0.77.160	PTR	localhost