Robtex

Up: 117.2.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 117.2.129.0/25
Down right: 117.2.129.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.2.129.2	PTR	localhost
117.2.129.8	PTR	localhost
117.2.129.15	PTR	localhost
117.2.129.17	PTR	localhost
117.2.129.19	PTR	localhost
117.2.129.20	PTR	localhost
117.2.129.21	PTR	localhost
117.2.129.22	PTR	localhost
117.2.129.24	PTR	localhost
117.2.129.25	PTR	localhost
117.2.129.26	PTR	localhost
117.2.129.31	PTR	localhost
117.2.129.37	PTR	localhost
117.2.129.38	PTR	localhost
117.2.129.43	PTR	localhost
117.2.129.44	PTR	localhost
117.2.129.45	PTR	localhost
117.2.129.47	PTR	localhost
117.2.129.53	PTR	localhost
117.2.129.56	PTR	localhost
117.2.129.61	PTR	localhost
117.2.129.62	PTR	localhost
117.2.129.71	PTR	localhost
117.2.129.72	PTR	localhost
117.2.129.76	PTR	localhost
117.2.129.81	PTR	localhost
117.2.129.82	PTR	localhost
117.2.129.83	PTR	localhost
117.2.129.84	PTR	localhost
117.2.129.85	PTR	localhost
117.2.129.93	PTR	localhost
117.2.129.98	PTR	localhost
117.2.129.101	PTR	localhost
117.2.129.103	PTR	localhost
117.2.129.108	PTR	localhost
117.2.129.108	A	congchuc.quangtri.gov.vn
117.2.129.108	A	www.tapchicuaviet.com.vn
117.2.129.111	PTR	localhost
117.2.129.115	PTR	localhost
117.2.129.118	PTR	localhost
117.2.129.119	PTR	localhost
117.2.129.121	PTR	localhost
117.2.129.130	PTR	localhost
117.2.129.134	PTR	localhost
117.2.129.140	PTR	localhost
117.2.129.145	PTR	localhost
117.2.129.146	PTR	localhost
117.2.129.147	PTR	localhost
117.2.129.148	PTR	localhost
117.2.129.155	PTR	localhost
117.2.129.160	PTR	localhost
117.2.129.163	PTR	localhost
117.2.129.165	PTR	localhost
117.2.129.167	PTR	localhost
117.2.129.168	PTR	localhost
117.2.129.171	PTR	localhost
117.2.129.178	PTR	localhost
117.2.129.185	PTR	localhost
117.2.129.187	PTR	localhost
117.2.129.189	PTR	localhost
117.2.129.191	PTR	localhost
117.2.129.199	PTR	localhost
117.2.129.204	PTR	localhost
117.2.129.205	PTR	localhost
117.2.129.207	PTR	localhost
117.2.129.214	PTR	localhost
117.2.129.220	PTR	localhost
117.2.129.222	PTR	localhost
117.2.129.225	PTR	localhost
117.2.129.235	PTR	localhost
117.2.129.238	PTR	localhost
117.2.129.240	PTR	localhost
117.2.129.246	PTR	localhost
117.2.129.249	PTR	localhost
117.2.129.250	PTR	localhost