Robtex

Up: 117.2.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 117.2.82.0/24
Down right: 117.2.83.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.2.82.6	PTR	localhost
117.2.82.28	PTR	localhost
117.2.82.53	PTR	localhost
117.2.82.56	PTR	localhost
117.2.82.68	A	www.htbio.com.vn
117.2.82.68	A	truongchinhtrilamdong.com.vn
117.2.82.68	A	langbiang.gov.vn
117.2.82.70	PTR	localhost
117.2.82.72	PTR	localhost
117.2.82.85	PTR	localhost
117.2.82.127	PTR	localhost
117.2.82.129	PTR	localhost
117.2.82.133	PTR	localhost
117.2.82.139	PTR	localhost
117.2.82.143	PTR	localhost
117.2.82.178	PTR	localhost
117.2.82.179	PTR	localhost
117.2.82.183	PTR	localhost
117.2.82.208	PTR	localhost
117.2.82.223	PTR	localhost
117.2.82.232	PTR	localhost
117.2.82.237	PTR	localhost
117.2.82.254	PTR	localhost