Robtex

Up: 203.162.152.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.162.153.0/25
Down right: 203.162.153.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.162.153.25	PTR	static.vnpt.vn
203.162.153.44	PTR	static.vnpt.vn
203.162.153.53	PTR	static.vnpt.vn
203.162.153.53	A	ns4.asiasoft.vn
203.162.153.59	PTR	static.vnpt.vn
203.162.153.59	A	bavuong.playpark.vn
203.162.153.59	A	3qc.vn