Robtex

Up: 103.10.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.10.212.0/23
Down right: 103.10.214.0/23

IP	Type	Hostname
103.10.212.11	A+PTR	mail11.vib.com.vn
103.10.212.12	A+PTR	mail12.vib.com.vn
103.10.212.30	A	www.vib4u.com.vn
103.10.212.30	A	vib4u.com.vn
103.10.214.5	A	vibamc.com
103.10.214.5	A	campaign.vib.com.vn
103.10.214.5	A	amcvib.com.vn
103.10.214.11	A+PTR	mail1.vib.com.vn
103.10.214.12	A+PTR	mail2.vib.com.vn
103.10.214.13	A	mail.vib.com.vn
103.10.214.14	A	mail.vib.com.vn
103.10.214.18	A	vib.com.vn
103.10.214.21	A	mapis.vib.com.vn
103.10.214.23	A	mail.vib4u.com.vn
103.10.214.45	A	smartotp.vib.com.vn