Robtex

Up: 103.8.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 103.8.13.0/25
Down right: 103.8.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.8.13.15	A	mail.vmdgroup.vn
103.8.13.15	A	mx3.vimedimexgroup.vn
103.8.13.15	A	mx1.vimedimexgroup.vn
103.8.13.21	A	plz.vn
103.8.13.21	A	mucxanh.net
103.8.13.21	A	mucxanh.com
103.8.13.22	A	vimefulland.com.vn
103.8.13.22	A	www.vmdgroup.vn
103.8.13.22	A	vmdgroup.vn
103.8.13.85	A	vimedimexgroup.vn
103.8.13.99	A	mail.afmc.vn
103.8.13.104	A+PTR	mail.vmdgroup.com.vn
103.8.13.109	A+PTR	mail.vimefulland.com.vn
103.8.13.137	A	hbi.com.vn
103.8.13.154	A	igi.vn