Robtex

Up: 117.2.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 117.2.8.0/22
Down right: 117.2.12.0/22

IP	Type	Hostname
117.2.9.38	PTR	localhost
117.2.9.63	PTR	localhost
117.2.9.66	PTR	localhost
117.2.9.86	PTR	localhost
117.2.9.166	PTR	localhost
117.2.9.225	PTR	localhost
117.2.9.225	A	uyvu.net
117.2.12.84	PTR	localhost
117.2.13.3	PTR	localhost
117.2.13.24	PTR	localhost
117.2.13.32	PTR	localhost
117.2.13.40	PTR	localhost
117.2.13.41	PTR	localhost
117.2.13.58	PTR	localhost
117.2.13.65	PTR	localhost
117.2.13.72	PTR	localhost
117.2.13.80	PTR	localhost
117.2.13.81	PTR	localhost
117.2.13.83	PTR	localhost
117.2.13.88	PTR	localhost
117.2.13.91	PTR	localhost
117.2.13.97	PTR	localhost
117.2.13.115	PTR	localhost
117.2.13.120	PTR	localhost
117.2.13.122	PTR	localhost
117.2.13.130	PTR	localhost
117.2.13.145	PTR	localhost
117.2.13.153	PTR	localhost
117.2.13.160	PTR	localhost
117.2.13.161	PTR	localhost
117.2.13.184	PTR	localhost
117.2.13.193	PTR	localhost
117.2.13.218	PTR	localhost
117.2.13.226	PTR	localhost
117.2.13.235	PTR	localhost
117.2.13.241	PTR	localhost
117.2.13.249	PTR	localhost