Robtex

Up: 115.79.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 115.79.42.0/25
Down right: 115.79.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.79.42.33	PTR	adsl.viettel.vn
115.79.42.62	PTR	adsl.viettel.vn
115.79.42.71	PTR	adsl.viettel.vn
115.79.42.115	PTR	adsl.viettel.vn
115.79.42.154	A	tiki.com.vn
115.79.42.167	PTR	adsl.viettel.vn
115.79.42.212	A+PTR	hcm.vssa.com.vn
115.79.42.212	A	mail.everlandvn.vn
115.79.42.212	A	www.vssa.com.vn