Robtex

Up: 115.75.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 115.75.160.0/22
Down right: 115.75.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.75.160.62	PTR	adsl.viettel.vn
115.75.163.145	A	batdongsandongbang.com
115.75.164.123	PTR	adsl.viettel.vn
115.75.166.113	PTR	adsl.viettel.vn
115.75.166.113	A	salindaresort.com
115.75.166.113	A	www.mvvsnp.com.vn