Robtex

Up: 115.79.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 115.79.101.0/25
Down right: 115.79.101.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.79.101.3	PTR	adsl.viettel.vn
115.79.101.3	A	mail.thptvothisau.com
115.79.101.3	A	*.thptvothisau.com
115.79.101.26	PTR	adsl.viettel.vn
115.79.101.137	PTR	adsl.viettel.vn
115.79.101.137	A	www.apu.edu.vn
115.79.101.137	A	apu.edu.vn