Robtex

Up: 117.0.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 117.0.36.0/25
Down right: 117.0.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.0.36.6	PTR	localhost
117.0.36.6	A	comngon247.com
117.0.36.31	PTR	localhost
117.0.36.31	A	vietlitetek.com
117.0.36.75	A	khanbongxuatkhau.com
117.0.36.173	PTR	localhost
117.0.36.173	A	mail.yphai.com
117.0.36.173	A	yphai.com
117.0.36.201	PTR	mail.khoangsanankhanh.vn
117.0.36.201	A	hostmaster.datviet.com.vn
117.0.36.201	A	com.datviet.com.vn