Robtex

Up: 117.4.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 117.4.176.0/21
Down right: 117.4.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.4.176.99	PTR	localhost
117.4.177.28	PTR	localhost
117.4.177.28	A	www.tbh.vn
117.4.177.40	PTR	localhost
117.4.177.198	PTR	localhost
117.4.179.121	A	www.sks100.vn
117.4.179.121	A	sks100.vn
117.4.180.33	PTR	localhost
117.4.180.97	PTR	localhost
117.4.180.112	PTR	localhost
117.4.180.113	PTR	localhost
117.4.180.210	PTR	localhost
117.4.181.64	PTR	localhost
117.4.181.129	PTR	localhost
117.4.182.64	PTR	localhost
117.4.182.83	PTR	localhost
117.4.182.83	A	thaibinhtourism.com.vn
117.4.182.83	A	cdvhntthaibinh.edu.vn
117.4.183.2	PTR	localhost
117.4.184.19	PTR	localhost
117.4.185.32	PTR	localhost
117.4.185.65	PTR	localhost
117.4.185.113	PTR	localhost
117.4.186.3	PTR	localhost
117.4.186.34	PTR	localhost
117.4.186.79	A	mail.benhvienninhbinh.vn
117.4.186.97	PTR	localhost
117.4.186.114	PTR	localhost
117.4.186.208	PTR	localhost
117.4.186.210	PTR	localhost
117.4.187.99	A	idesignbanking.com
117.4.190.18	PTR	localhost
117.4.190.64	PTR	localhost
117.4.190.240	PTR	localhost